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Pattern Library

Explore Conway's Game of Life patterns

1754 patterns
Categories

101

oscillator
Period 5

A period 5 oscillator discovered by Achim Flammenkamp in 1994. The name '101' was suggested by Bill Gosper, as the pattern's phase resembles the binary representation of the number 5.

Discoverer: Achim Flammenkamp
Year: 1994

104P177

oscillator
Period 177

A period 177 oscillator discovered by Karel Suhajda. It is notable for its relatively large size and uncommon period.

Discoverer: Karel Suhajda
Year: 2007

104P177

oscillator
Period 177

104P177 is an oscillator with a period of 177, discovered by Jason Summers. It is notable for its synthesis from 24 gliders.

Discoverer: Jason Summers

104P177 reactions

oscillator
Period 177

104P177 reactions involve interactions between a glider and the 105P177 oscillator. It is a complex pattern showcasing interesting dynamics.

Discoverer: Jason Summers and Nicolay Beluchenko

104P25

oscillator
Period 25

104P25 is a period-25 oscillator discovered by Noam Elkies. It is known for its relatively large size and complex behavior.

Discoverer: Noam Elkies

105P25

oscillator
Period 25

105P25 is a period-25 oscillator in Conway's Game of Life. It is known for its relatively large size and complex structure.

106P135

oscillator
Period 135

106P135 is the smallest known period-135 oscillator in Conway's Game of Life.

109-still-lifes

still life

A collection of 109 still life patterns synthesized by David Buckingham, assembled by Dean Hickerson.

Discoverer: David Buckingham
Year: 1993

10-cell infinite growth

methuselah

A 10-cell pattern that exhibits infinite growth. It is the smallest known pattern by cell count that achieves this.

Discoverer: Paul Callahan
Year: 1997

10-engine Cordership

spaceship
Period 96

A c/12 period 96 diagonal spaceship known as a Cordership, utilizing 10 switch engines, which was the fewest possible known at the time of its discovery.

Discoverer: Dean Hickerson

110P62

oscillator
Period 62

The smallest known period-62 oscillator in Conway's Game of Life.

112P15

oscillator
Period 15

112P15 is a period-15 oscillator that was discovered by a user named thunk. It is known for its symmetrical structure and moderate size.

Discoverer: thunk

112P15

oscillator
Period 15

112P15 is an oscillator with a period of 15. It was discovered by Mark Niemec and is known for its glider synthesis.

Discoverer: Mark Niemec

112P51

oscillator
Period 51

112P51 is the first known true period 51 oscillator. It was discovered by Nicolay Beluchenko in March 2009.

Discoverer: Nicolay Beluchenko
Year: 2009

112P51

oscillator
Period 51

112P51 is an oscillator with a period of 51. It was synthesized using 76 gliders.

Discoverer: Matthias Merzenich, Jason Summers, and Knightlife

112P51 extended

oscillator
Period 51

An extension of the period 51 oscillator 112P51, discovered by Nicolay Beluchenko.

Discoverer: Nicolay Beluchenko

114P6H1V0

spaceship
Period 6

A period 6 orthogonal spaceship with speed c/6, discovered by Paul Tooke in October 2008.

Discoverer: Paul Tooke
Year: 2008

114P6H1V0 pushalong

spaceship
Period 6

A pushalong for the c/6 orthogonal period 6 spaceship 114P6H1V0.

Discoverer: Hartmut Holzwart

114P6H1V0 pushalongs

spaceship
Period 6

Pushalongs for the c/6 orthogonal period 6 spaceship 114P6H1V0.

Discoverer: Josh Ball

114P84

oscillator
Period 84

The smallest known period-84 oscillator in Conway's Game of Life.

Discoverer: Scorbie

117P18

oscillator
Period 18

117P18 is the first period 18 oscillator to be discovered. It features a complex structure that repeats every 18 generations.

Discoverer: David Buckingham
Year: 1991

117P9H3V0

spaceship
Period 9

117P9H3V0 is the first known period 9 spaceship in Conway's Game of Life.

Discoverer: David Bell

119P4H1V0

spaceship
Period 4

The first c/4 orthogonal spaceship to be discovered, known for its unique movement pattern.

Discoverer: Dean Hickerson

119P4H1V0 tagalong

spaceship
Period 4

A tagalong for the 119P4H1V0 spaceship, which modifies its behavior or appearance.

Discoverer: Dean Hickerson

122P80.1

oscillator
Period 80

The smallest known period-80 oscillator in Conway's Game of Life.

1-2-3

oscillator
Period 3

A period 3 oscillator that was discovered in August 1972.

Discoverer: Dave Buckingham
Year: 1972

1-2-3-4

oscillator
Period 4

A period 4 oscillator that exhibits a simple, repetitive pattern.

1-2-3-4_synth

still life

A glider synthesis pattern for creating the 1-2-3-4 pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

1-2-3 synthesis

still life

A glider synthesis pattern for the 1-2-3 object, which is a known still life in Conway's Game of Life.

Discoverer: Martin Grant

123P27.1

oscillator
Period 27

123P27.1 is the first known period 27 oscillator in Conway's Game of Life, discovered by Noam Elkies.

Discoverer: Noam Elkies
Year: 2002

124P21

oscillator
Period 21

124P21 is the first known period 21 oscillator in Conway's Game of Life, discovered by Robert Wainwright.

Discoverer: Robert Wainwright
Year: 1995

124P37

oscillator
Period 37

124P37 is the first known period 37 oscillator in Conway's Game of Life. It was discovered by Nicolay Beluchenko in April 2009.

Discoverer: Nicolay Beluchenko
Year: 2009

126P3H1V0

spaceship
Period 3

126P3H1V0 is a spaceship pattern in Conway's Game of Life, known for being the basis of the 117P9H3V0 pattern.

Discoverer: David Bell

126P78.1

oscillator
Period 78

The smallest known period-78 oscillator in Conway's Game of Life.

128P10.2

oscillator
Period 10

128P10.2 is a period 10 oscillator discovered by Nicolay Beluchenko. It is notable for its symmetry and relatively large size for its period.

Discoverer: Nicolay Beluchenko
Year: 2009

128P13.1

oscillator
Period 13

A period 13 oscillator that is a variant on 34P13.1.

Discoverer: Jason Summers

132P37

oscillator
Period 37

132P37 is an oscillator with a period of 37. It was the second unique oscillator of this period to be discovered.

Discoverer: Nicolay Beluchenko

134P25

oscillator
Period 25

134P25 is the first known period 25 oscillator, discovered by Noam Elkies. It is notable for its relatively large size and complex structure.

Discoverer: Noam Elkies
Year: 1994

134P39.1

oscillator
Period 39

134P39.1 is the first known period 39 oscillator in Conway's Game of Life. It was discovered by Noam Elkies and David Buckingham.

Discoverer: Noam Elkies and David Buckingham
Year: 2000

13-engine Cordership

spaceship
Period 12

The 13-engine Cordership is the first c/12 diagonal spaceship discovered in Conway's Game of Life. It is a large and complex pattern that moves diagonally across the grid.

Discoverer: Dean Hickerson

144P24

oscillator
Period 24

144P24 is a period 24 oscillator discovered by Noam Elkies. It was one of the first oscillators of this period to be found.

Discoverer: Noam Elkies
Year: 1994

145P20

oscillator
Period 20

145P20 is a period 20 oscillator discovered by Noam Elkies. It is notable for its relatively large size and complex structure.

Discoverer: Noam Elkies
Year: 1995

151P3H1V0

spaceship
Period 3

A non-monotonic c/3 spaceship derived from the 233P3H1V0 pattern.

160P10H2V0

spaceship
Period 10

The first period-10, c/5 orthogonal spaceship to be discovered.

Discoverer: Paul Tooke

168P22.1

oscillator
Period 22

168P22.1 is the first known period 22 oscillator in Conway's Game of Life. It was discovered by Noam Elkies in 1997.

Discoverer: Noam Elkies
Year: 1997

17c/45 Reaction

spaceship
Period 45

A reaction between a pi-heptomino and a blinker where the pi moves forward 17 cells over 45 generations while the blinker moves back 6 cells and is rephased.

17-column heavyweight volcano

oscillator
Period 24

A large and complex oscillator pattern with a period of 24, featuring a heavyweight volcano-like structure.

186P24

oscillator
Period 24

186P24 is a period 24 oscillator discovered by Bill Gosper in 1994. It was one of the first oscillators of this period to be found.

Discoverer: Bill Gosper
Year: 1994

18P2.471

oscillator
Period 2

A period 2 oscillator with the same rotor as the beacon.

1998-eater-stamp-collection

still life

A collection of 88 glider eaters with recovery times ranging from 4 to 25 generations. Some of these eaters, like 'eater', 'eater2', and variations of 'eater3', have been known for many years.

Discoverer: Dean Hickerson
Year: 1998

Beacon

oscillator
Period 2

The beacon is a small period-2 oscillator that consists of two diagonally touching blocks. It is one of the most common oscillators in Conway's Game of Life.

Beacon

oscillator
Period 2

The beacon is a small period-2 oscillator that consists of two diagonally touching blocks. It is one of the simplest and most common oscillators in Conway's Game of Life.

1xN quadratic growth

methuselah

The first quadratic growth pattern to fit into a 1xN bounding box, discovered by Stephen Silver. It utilizes a breeder from Nick Gotts' 26-cell quadratic growth.

Discoverer: Stephen Silver
Year: 2011

20P2

oscillator
Period 2

20P2 is an oscillator with a period of 2, known for being the 34th most common oscillator in Conway's Game of Life.

21P2

oscillator
Period 2

21P2 is an oscillator with a period of 2, known for being the 38th most common oscillator in Conway's Game of Life.

21P2

oscillator
Period 2

21P2 is a period 2 oscillator that can be synthesized with 11 gliders. It consists of 16 cells and is notable for its compact size and simplicity.

Discoverer: Mark D. Niemiec

22P2

oscillator
Period 2

22P2 is a period 2 oscillator that consists of 22 cells. It is known for its simple yet interesting structure.

22P36

oscillator
Period 36

22P36 is a period 36 oscillator in Conway's Game of Life. It was discovered by Noam Elkies and is known for its relatively small size and moderate period.

Discoverer: Noam Elkies
Year: 1995

22P36

oscillator
Period 36

22P36 is an oscillator with a period of 36. It was synthesized using 9 gliders.

Discoverer: Mark D. Niemiec

23334M

methuselah

A methuselah pattern with a lifespan of 23334 generations, discovered by Tomas Rokicki.

Discoverer: Tomas Rokicki
Year: 2005

233P3H1V0

spaceship
Period 3

The first non-monotonic period 3 spaceship to be discovered.

Discoverer: Hartmut Holzwart

(23,5)c/79 Herschel climber

spaceship
Period 79

A spaceship pattern in Conway's Game of Life that moves diagonally with a speed of (23,5)c/79, utilizing a Herschel reaction.

23P2

oscillator
Period 2

23P2 is a period 2 oscillator in Conway's Game of Life. It consists of 23 cells and is known for its simple yet interesting structure.

23P2

oscillator
Period 2

23P2 is an oscillator with a period of 2. It can be synthesized using gliders.

24-cell quadratic growth

methuselah

A pattern that exhibits quadratic population growth, previously the smallest known of its kind before being surpassed by the switch engine ping-pong.

Discoverer: Michael Simkin

24P10

oscillator
Period 10

The smallest known period-10 oscillator in Conway's Game of Life.

Discoverer: Matthias Merzenich

24P2

oscillator
Period 2

24P2 is a period 2 oscillator in Conway's Game of Life, known for its simple and symmetric structure.

258P3

oscillator
Period 3

258P3 is an oscillator with a period of 3. It is a relatively large pattern that exhibits symmetrical behavior.

158P3 on Achim's p11

oscillator
Period 33

A non-trivial period 33 oscillator that combines a 158P3 oscillator with Achim's p11 oscillator. It was the first known oscillator of this period.

Discoverer: Noam Elkies and Achim Flammenkamp

25-cell quadratic growth

methuselah

A pattern that exhibits quadratic population growth, previously the smallest known of its kind before being surpassed by other patterns.

Discoverer: Michael Simkin

25P3H1V0.1

spaceship
Period 3

A c/3 orthogonal period 3 spaceship with a minimum of 25 cells, known for having the lowest number of cells for any such spaceship.

Discoverer: David Bell

25P3H1V0.1

spaceship
Period 3

25P3H1V0.1 is a spaceship pattern that moves diagonally with a period of 3. It was synthesized using gliders.

Year: 2015

25P3H1V0.2

spaceship
Period 3

A c/3 orthogonal period 3 spaceship with 25 cells in each generation, known for having the lowest number of cells for any c/3 spaceship.

Discoverer: Dean Hickerson

25P3H1V0.2

spaceship
Period 3

25P3H1V0.2 is a spaceship pattern that moves diagonally across the grid. It was synthesized using a reduced number of gliders.

Year: 2015

26-cell quadratic growth

methuselah

A 26-cell pattern that exhibits quadratic growth, known for being the smallest such pattern.

Discoverer: Nick Gotts

26P2

oscillator
Period 2

26P2 is an oscillator with a period of 2, known for being the 55th most common oscillator in Conway's Game of Life.

26P40

oscillator
Period 40

A period 40 oscillator discovered by Nicolay Beluchenko in 2009.

Discoverer: Nicolay Beluchenko
Year: 2009

(27,1)c/72 Herschel climber

spaceship
Period 72

A spaceship pattern in Conway's Game of Life that moves diagonally with a speed of (27,1)c/72, utilizing a Herschel reaction.

274P6H1V0

spaceship
Period 6

The first c/6 orthogonal spaceship discovered that does not involve a dragon.

Discoverer: Paul Tooke

28P7.1

oscillator
Period 7

28P7.1 is an oscillator with a period of 7. It was discovered by Martin Grant and can be synthesized using gliders.

Discoverer: Martin Grant

28P7.2

oscillator
Period 7

A period 7 oscillator that is tied with burloaferimeter and 28P7.1 as the smallest known period 7 oscillators.

Discoverer: Dean Hickerson

28P7.2

oscillator
Period 7

28P7.2 is an oscillator with a period of 7. It was synthesized using 22 gliders.

Discoverer: Mark Niemiec and Jason Summers
Year: 2000

28P7.1

oscillator
Period 7

An unnamed period 7 oscillator that is tied as the smallest known.

29 Still Lifes

still life

A collection of 29 distinct still life patterns in Conway's Game of Life, discovered through experiments with random patterns and symmetries.

Discoverer: Dean Hickerson
Year: 1993

295P5H1V1

spaceship
Period 5

The first c/5 diagonal spaceship to be found, with a period of 5.

Discoverer: Jason Summers
Year: 2000

29-bit still life No. 1

still life

The most common 29-bit still life pattern in Conway's Game of Life, known for its stability and prevalence.

29P9

oscillator
Period 9

The smallest known period 9 oscillator in Conway's Game of Life.

Discoverer: Dean Hickerson

29P9

oscillator
Period 9

29P9 is an oscillator with a period of 9. It was discovered by Martin Grant and is notable for its glider synthesis.

Discoverer: Martin Grant

2c5-engineless-rake-p185

spaceship
Period 185

This is a spaceship pattern that moves at a speed of 2c/5 and has a period of 185. It is notable for being an engineless rake, meaning it produces spaceships without a traditional engine structure.

Discoverer: Paul Tooke
Year: 2004

2c/5 orthogonal spaceship

spaceship
Period 5

A 2c/5 orthogonal spaceship is a type of pattern in Conway's Game of Life that moves two cells every five generations. It is a relatively rare and complex spaceship.

2c/5 spaceship gun (p416)

gun

A gun pattern that periodically emits 2c/5 spaceships with a period of 416 generations. It involves multiple guns and glider inserters to produce construction salvos.

Discoverer: Dave Greene
Year: 2003

2c/5 spaceship gun (p690)

gun

A period-690 gun that produces 2c/5 spaceships. It was independently constructed by Jason Summers, based on a glider synthesis by Noam Elkies.

Discoverer: Jason Summers
Year: 2003

2c5-spaceship-rake-p240

spaceship
Period 240

A p240 c/2 forward rake for a 2c/5 spaceship, notable for its output traveling in the same direction as the rake but at a slower speed.

Discoverer: Jason Summers
Year: 2003

2c/5 puffer 1

spaceship
Period 5

A 2c/5 glide-reflective dirty puffer pattern that leaves behind a trail of debris as it moves.

Discoverer: Jason Summers
Year: 1999

2-engine Cordership

spaceship
Period 348

The 2-engine Cordership is the smallest known Cordership, a type of spaceship in Conway's Game of Life.

Discoverer: Aidan F. Pierce

2-engine Cordership synthesis

spaceship
Period 1

A synthesis pattern using 9 gliders to create the 2-engine Cordership, a well-known spaceship pattern.

Discoverer: AbhpzTa

2 fumaroles

oscillator
Period 10

A period 10 oscillator that is a non-trivial combination of two fumaroles and a blinker.

Discoverer: Noam Elkies
Year: 1995

2x12 infinite growth

methuselah

A unique pattern that fits within a 2x12 box and exhibits infinite growth.

Discoverer: DivusIulius

30P4H2V0.4

spaceship
Period 4

30P4H2V0.4 is a small c/2 orthogonal spaceship in Conway's Game of Life.

30P4H2V0.4 glider synthesis

spaceship
Period 4

The 30P4H2V0.4 is a spaceship pattern in Conway's Game of Life, synthesized using gliders. It moves diagonally and has a period of 4.

Discoverer: Tanner Jacobi
Year: 2015

30P5H2V0

spaceship
Period 5

An orthogonal spaceship with period 5, known for being the smallest 2c/5 spaceship.

Discoverer: Paul Tooke

30P5H2V0

spaceship
Period 5

30P5H2V0 is a spaceship pattern in Conway's Game of Life that can be synthesized with 65 gliders. It was developed through contributions by Martin Grant, Tanner Jacobi, and Chris Cain.

Year: 2015

31c/240 reaction

reaction

A reaction involving Herschels climbing blocks, utilized by spaceships like the shieldbug and the centipede.

31P8H4V0

oscillator
Period 8

31P8H4V0 is a period 8 oscillator that was discovered in the context of Conway's Game of Life. It features a unique symmetry and is known for its distinctive movement.

339P7H1V0

spaceship
Period 7

339P7H1V0 is the second known c/7 spaceship, discovered by Matthias Merzenich in February 2017.

Discoverer: Matthias Merzenich
Year: 2017

(34,7)c/156 Herschel climber

spaceship
Period 156

A spaceship pattern in Conway's Game of Life that moves diagonally with a speed of (34,7)c/156, utilizing a Herschel conduit.

34P13

oscillator
Period 13

The smallest known period 13 oscillator in Conway's Game of Life.

34P64

oscillator
Period 64

A period-64 oscillator discovered by Matthias Merzenich. It was found using Nicolay Beluchenko's randagar program.

Discoverer: Matthias Merzenich
Year: 2010

35201M

methuselah

35201M is a methuselah pattern in Conway's Game of Life, known for its long-lasting evolution before stabilizing.

Discoverer: Andrzej Okrasinski

35P52

oscillator
Period 52

35P52 is the smallest known period 52 oscillator in Conway's Game of Life, consisting of 35 cells.

35P52

oscillator
Period 52

35P52 is an oscillator with a period of 52, synthesized using 17 gliders.

36P22

oscillator
Period 22

The smallest known period 22 oscillator in Conway's Game of Life.

36P22

oscillator
Period 22

36P22 is an oscillator with a period of 22, discovered by Jason Summers. It is notable for its synthesis from 12 gliders.

Discoverer: Jason Summers

37P10.1

oscillator
Period 10

The smallest known non-trivial period-10 oscillator in terms of bounding box.

Discoverer: Dean Hickerson

37P10.2

oscillator
Period 10

A small period-10 oscillator related to 37P10.1.

Discoverer: Dean Hickerson

37P4H1V0

spaceship
Period 4

37P4H1V0 is a c/4 orthogonal spaceship in Conway's Game of Life, discovered by Josh Ball. It is notable for its small size and relatively high speed.

Discoverer: Josh Ball

37P7.1

oscillator
Period 7

A small period 7 sparker discovered in October 2005.

Discoverer: Scot Ellison
Year: 2005

38P11.1

oscillator
Period 11

The first period 11 oscillator to be found, and still the smallest known.

Discoverer: David Buckingham
Year: 1977

38P24

oscillator
Period 24

38P24 is a period-24 oscillator discovered by Karel Suhajda. It was found using Gabriel Nivasch's random agar program.

Discoverer: Karel Suhajda
Year: 2002

38P7.2

oscillator
Period 7

A period 7 oscillator discovered by Nicolay Beluchenko. It consists of 38 cells and is known for its compact and symmetrical structure.

Discoverer: Nicolay Beluchenko
Year: 2009

38P7.2

oscillator
Period 7

38P7.2 is an oscillator with a period of 7. It is known for its glider synthesis.

Discoverer: gmc_nxtman

38P7.3

oscillator
Period 7

38P7.3 is an oscillator that is an alternate form of 38P7.2, discovered by Nicolay Beluchenko. It has a period of 7.

Discoverer: Nicolay Beluchenko

3c/10 pi wave

spaceship
Period 10

The 3c/10 pi wave is a spaceship pattern in Conway's Game of Life that moves at a speed of 3c/10. It is known for its wave-like appearance.

3c/14 pi wave

spaceship
Period 14

The 3c/14 pi wave is a spaceship pattern that moves at a speed of 3 cells every 14 generations. It features a repeating wave-like structure.

3c/7 wave

spaceship
Period 7

The 3c/7 wave is a spaceship pattern that moves diagonally at a speed of 3 cells every 7 generations.

Discoverer: Stephen Silver

3-engine Cordership

spaceship
Period 96

A diagonal c/12 spaceship with a period of 96, utilizing three engines to propel itself.

Discoverer: Paul Tooke
Year: 2004

3-engine Cordership synthesis

spaceship
Period 96

A glider synthesis of the 3-engine Cordership, a type of spaceship in Conway's Game of Life.

Discoverer: Jason Summers and Paul Tooke

3-engine Cordership eater

still life

An eater designed to consume the 3-engine Cordership, a type of spaceship in Conway's Game of Life.

Discoverer: Jason Summers

3-engine Cordership gun

gun

A gun that fires 3-engine Corderships, a type of spaceship in Conway's Game of Life.

Discoverer: Paul Tooke

3-engine Cordership LWSS reflection

spaceship

A pattern where a 3-engine Cordership reflects a lightweight spaceship (LWSS) by 90 degrees.

Discoverer: David Bell

3-engine Cordership rake

spaceship
Period 240

A period 240 c/2 orthogonal spaceship that functions as a rake, emitting Corderships.

Discoverer: Jason Summers
Year: 2004

400P49

oscillator
Period 49

400P49 is a small period 49 oscillator that utilizes Noam Elkies' reflector technology.

Discoverer: Noam Elkies

41P7.2

oscillator
Period 7

A period 7 oscillator with an isolated two-bit spark.

42P10.1

oscillator
Period 10

42P10.1 is the first period 10 oscillator discovered in Conway's Game of Life.

Discoverer: David Buckingham
Year: 1976

43P18

oscillator
Period 18

The smallest known period 18 oscillator in Conway's Game of Life.

43P18

oscillator
Period 18

43P18 is an oscillator with a period of 18, synthesized using 16 gliders. It is known for its relatively large size and complex structure.

Discoverer: Mark D. Niemiec

440P49.1

oscillator
Period 49

440P49.1 is the first known period 49 oscillator in Conway's Game of Life, discovered by Noam Elkies.

Discoverer: Noam Elkies
Year: 1999

44P12.2

oscillator
Period 12

44P12.2 is a period 12 oscillator in Conway's Game of Life. It is known for its symmetrical structure and moderate size.

44P5H2V0

spaceship
Period 5

44P5H2V0 is the first known 2c/5 spaceship, discovered by Dean Hickerson. It is notable for its speed and compact design.

Discoverer: Dean Hickerson

44P5H2V0

spaceship
Period 5

The first 2c/5 orthogonal spaceship, discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1991

44P7.2

oscillator
Period 7

A period 7 oscillator that supplies two accessible domino sparks.

Discoverer: David Buckingham
Year: 1977

45 hivenudgers

spaceship
Period 4

A collection of 45 distinct period 4 c/2 orthogonal hivenudger spaceships.

46P22

oscillator
Period 22

46P22 is a period 22 oscillator discovered by Jason Summers. It is notable for its relatively small size and moderate period.

Discoverer: Jason Summers
Year: 2005

46P4H1V0

spaceship
Period 4

46P4H1V0 is the smallest known c/4 orthogonal spaceship in Conway's Game of Life, with a period of 4.

47P72

oscillator
Period 72

47P72 is the first known period 72 oscillator in Conway's Game of Life. It was discovered by Robert Wainwright in July 1990.

Discoverer: Robert Wainwright
Year: 1990

47P72

oscillator
Period 72

47P72 is a period 72 oscillator that can be synthesized using gliders. It is known for its relatively large size and complex structure.

Discoverer: Mark D. Niemiec

4-8-12 Diamond

oscillator
Period 4

A pure glider generator that produces gliders in a diamond-shaped pattern.

48P20

oscillator
Period 20

48P20 is a period-20 oscillator that was discovered by Dean Hickerson in 2008.

Discoverer: Dean Hickerson
Year: 2008

48P22

oscillator
Period 22

48P22 is a period 22 oscillator that was discovered by Nicolay Beluchenko. It is known for its relatively small size and moderate period.

Discoverer: Nicolay Beluchenko
Year: 2009

48P22.1

oscillator
Period 22

48P22.1 is a period-22 oscillator discovered by Nicolay Beluchenko. It is notable for its relatively small size and period.

Discoverer: Nicolay Beluchenko
Year: 2009

48P31

oscillator
Period 31

48P31 is the first known period-31 oscillator in Conway's Game of Life. It consists of 48 cells and exhibits a repeating cycle every 31 generations.

Discoverer: Matthias Merzenich

49P88

oscillator
Period 88

49P88 is a small non-trivial oscillator with a period of 88. It was discovered by Paul Callahan in 1996.

Discoverer: Paul Callahan
Year: 1996

49P88

oscillator
Period 88

49P88 is an oscillator with a period of 88, discovered by Mark D. Niemiec. It is notable for its synthesis using 16 gliders.

Discoverer: Mark D. Niemiec

4 boats

oscillator
Period 2

A period 2 oscillator made up of 4 boat still lifes that oscillate together.

Four Boats Synthesis

still life

A glider synthesis pattern that results in the formation of four boat still lifes, also known as an hourglass.

Discoverer: Mark D. Niemiec

4-engine Cordership

spaceship
Period 96

The 4-engine Cordership is a diagonal spaceship pattern that moves at a speed of c/12 and has a period of 96. It was discovered by David Bell.

Discoverer: David Bell
Year: 2005

4-engine Cordership synthesis

spaceship

A 14-glider synthesis of the 4-engine Cordership, a type of spaceship in Conway's Game of Life. It was completed by Dave Greene in 2017.

Discoverer: Dave Greene
Year: 2017

4-engine Cordership v2

spaceship
Period 96

A diagonal spaceship with a period of 96 and speed c/12, utilizing four engines. It was discovered by David Bell.

Discoverer: David Bell
Year: 2005

50P35

oscillator
Period 35

50P35 is a period 35 oscillator in Conway's Game of Life.

50P35

oscillator
Period 35

50P35 is an oscillator with a period of 35, discovered by Jeremy Tan. It is notable for its glider synthesis.

Discoverer: Jeremy Tan

54P17.1

oscillator
Period 17

54P17.1 is the first known period 17 oscillator in Conway's Game of Life, discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1997

56P18

oscillator
Period 18

56P18 is a period-18 oscillator discovered by Jason Summers. It was found using Gabriel Nivasch's random agar program.

Discoverer: Jason Summers
Year: 2002

56P27

oscillator
Period 27

A period-27 oscillator discovered by Nicolay Beluchenko in May 2010. It is notable for its relatively large size and complex behavior.

Discoverer: Nicolay Beluchenko
Year: 2010

56P6H1V0

spaceship
Period 6

56P6H1V0 is a period 6 c/6 orthogonal spaceship. It was discovered by Hartmut Holzwart in May 2009.

Discoverer: Hartmut Holzwart
Year: 2009

58P5H1V1

spaceship
Period 5

The smallest known c/5 diagonal spaceship in Conway's Game of Life.

Discoverer: Matthias Merzenich

5blink

oscillator
Period 5

5blink is an oscillator pattern in Conway's Game of Life that has a period of 5.

Discoverer: Scot Ellison

5-engine Cordership

spaceship
Period 96

A diagonal c/12 spaceship with a period of 96, discovered by David Bell. It is a type of Cordership, which is a spaceship that travels diagonally.

Discoverer: David Bell
Year: 2005

5-engine Cordership synthesis

spaceship
Period 1

An 18-glider synthesis of the 5-engine Cordership, a type of spaceship in Conway's Game of Life.

Discoverer: Dave Greene
Year: 2017

5x5 infinite growth

methuselah

The only known pattern that fits in a 5x5 box and exhibits infinite growth.

Discoverer: Paul Callahan

600P6H1V0

spaceship
Period 6

A c/6 orthogonal period 6 spaceship, notable for its large size and unique movement pattern.

Discoverer: Matthias Merzenich
Year: 2016

60P13.1

oscillator
Period 13

A period 13 oscillator that is a variant of 34P13.1.

Discoverer: Nicolay Beluchenko

60P33

oscillator
Period 33

60P33 is an oscillator with a period of 33, featuring a reduced stabilization of Jason Summers' period-33 engine.

Discoverer: Jason Summers

60P3H1V0.3

spaceship
Period 3

A period 3 orthogonal c/3 spaceship discovered by David Bell.

Discoverer: David Bell

60P3H1V0.3 reactions

spaceship
Period 3

This pattern involves various reactions of orthogonal spaceships colliding with the 60P3H1V0.3 spaceship.

Discoverer: Dean Hickerson

60P3H1V0.3 interactions

spaceship
Period 3

A pattern involving interactions where XWSSes collide into the back of a 60P3H1V0.3 spaceship.

Discoverer: Dean Hickerson

60P5H2V0

spaceship
Period 5

A period 5 spaceship that moves orthogonally at a speed of 2c/5. It was discovered by Tim Coe in 1996.

Discoverer: Tim Coe
Year: 1996

60P5H2V0

spaceship
Period 5

60P5H2V0 is a spaceship pattern in Conway's Game of Life, notable for its glider synthesis.

Discoverer: Noam Elkies

60P5H2V0 eater

still life

A pattern consisting of two eater 2s used to consume a 60P5H2V0 spaceship.

64P13.1

oscillator
Period 13

A period 13 oscillator that is a variant of 34P13.1.

Discoverer: Nicolay Beluchenko

64P13.2

oscillator
Period 13

A period 13 oscillator that is a variant of 34P13.1.

Discoverer: Nicolay Beluchenko

64P2H1V0

spaceship
Period 2

The smallest known period 2 spaceship, discovered by Dean Hickerson. It moves with a speed of c/2.

Discoverer: Dean Hickerson
Year: 1989

65P13.1

oscillator
Period 13

65P13.1 is the first known period 13 oscillator in Conway's Game of Life. It was discovered in 1976.

Discoverer: David Buckingham
Year: 1976

65P13.3

oscillator
Period 131

65P13.3 is an oscillator with a period of 131. It was discovered by Martin Grant and Mark Niemiec and is known for its glider synthesis.

Discoverer: Martin Grant, Mark Niemiec

65P48

oscillator
Period 48

The smallest known period-48 oscillator, discovered by Matthias Merzenich in 2014.

Discoverer: Matthias Merzenich
Year: 2014

67P5H1V1

spaceship
Period 5

The smallest known c/5 diagonal spaceship with a period of 5. It was discovered in 2006.

Discoverer: Nicolay Beluchenko
Year: 2006

68P321

oscillator
Period 321

68P321 is a period-321 oscillator in Conway's Game of Life. It is known for its large size and complex behavior.

68P32.1

oscillator
Period 32

68P32.1 is a period-32 oscillator discovered by Chris Cain. It is notable for its glider synthesis.

Discoverer: Chris Cain
Year: 2016

69P48

oscillator
Period 48

The smallest known period 48 oscillator in Conway's Game of Life.

Discoverer: Noam Elkies

6 bits

oscillator
Period 12

6 bits is a period 12 oscillator that was discovered by Robert Wainwright. It consists of a symmetrical arrangement of cells that oscillate between two phases.

Discoverer: Robert Wainwright

6-engine Cordership

spaceship
Period 96

A diagonal spaceship in Conway's Game of Life that moves at c/12 and has a period of 96. It is constructed using six switch engines.

Discoverer: Dean Hickerson
Year: 1998

6-engine Cordership synthesis

spaceship
Period 4

A glider synthesis of the 6-engine Cordership, a type of spaceship in Conway's Game of Life.

6-engine Cordership gun

gun

A true period 784 gun that fires copies of the 6-engine Cordership.

Discoverer: Dave Greene

6-engine Cordership v2

spaceship
Period 336

A variant of the Cordership pattern that uses six engines to propel itself. It is a type of spaceship pattern in Conway's Game of Life.

6-in-a-row Cordership

spaceship
Period 336

The 6-in-a-row Cordership is a type of spaceship pattern in Conway's Game of Life that moves diagonally across the grid. It is a variation of the Cordership pattern.

Discoverer: Dave Greene

6-in-a-row Cordership synthesis

spaceship

A 21-glider synthesis of the 6-in-a-row Cordership, completed by Dave Greene in 2017. It follows Luka Okanishi's discovery of a three-glider switch engine synthesis.

Discoverer: Dave Greene
Year: 2017

7-in-a-row Cordership V-gun

gun
Period 726

A gun pattern that periodically produces a Cordership using a combination of glider salvos and Herschel factories. It is notable for its complex construction and high period.

Discoverer: Dave Greene
Year: 2003

Spaghetti Monster

oscillator
Period 7

The Spaghetti Monster is a large and complex oscillator with a period of 7. It is known for its intricate structure and was discovered by Tim Coe.

Discoverer: Tim Coe

70P2H1V0.1

spaceship
Period 2

A c/2 orthogonal spaceship in Conway's Game of Life.

70P5H2V0

spaceship
Period 5

The first known 2c/5 spaceship that was not based on 44P5H2V0.

Discoverer: Hartmut Holzwart

71P17.1

oscillator
Period 17

71P17.1 is a period 17 oscillator and a variant of the first period 17 oscillator to be found.

Discoverer: Dean Hickerson

1xN quadratic growth

methuselah

A linear pattern that exhibits quadratic growth in the Game of Life. It was discovered by Chris Cain and is notable for its unique growth properties.

Discoverer: Chris Cain
Year: 2014

72P6H2V0

spaceship
Period 6

The smallest known period-6 c/3 orthogonal spaceship in Conway's Game of Life.

7468M

methuselah

A methuselah pattern with a lifespan of 7468 generations, discovered by Tomas Rokicki.

Discoverer: Tomas Rokicki
Year: 2005

74P8H2V0

spaceship
Period 8

The smallest known period-8 c/4 orthogonal spaceship in Conway's Game of Life.

77P4H1V0.1

spaceship
Period 4

77P4H1V0.1 is a small spaceship pattern in Conway's Game of Life. It moves orthogonally and has a period of 4.

77P6H1V1

spaceship
Period 6

The smallest known c/6 diagonal spaceship, discovered by Josh Ball in March 2011.

Discoverer: Josh Ball
Year: 2011

77P77

oscillator
Period 77

The smallest known period 77 oscillator in Conway's Game of Life.

78P70

oscillator
Period 70

78P70 is a small non-trivial oscillator with a period of 70, discovered by Karel Suhajda.

Discoverer: Karel Suhajda
Year: 2007

7-engine Cordership

spaceship
Period 96

A diagonal spaceship pattern that moves at a speed of c/12 and has a period of 96, utilizing 7 switch engines.

Discoverer: Dean Hickerson
Year: 1993

7-engine Cordership reflections

spaceship
Period 96

A c/12 period 96 diagonal spaceship pattern that uses a 7-engine Cordership to reflect gliders in various ways.

7-in-a-row Cordership

spaceship
Period 336

A Cordership pattern that uses 7 switch engines to move diagonally across the grid. It is a type of spaceship.

Discoverer: Dean Hickerson
Year: 1998

7-in-a-row Cordership synthesis

spaceship

A glider synthesis of the 7-in-a-row Cordership, a type of spaceship pattern in Conway's Game of Life.

7-in-a-row Cordership eater

still life

An 895-cell still life that acts as an eater for the 7-in-a-row Cordership.

Discoverer: Karel Suhajda

Lobster

spaceship
Period 7

The Lobster is a diagonal spaceship that moves at a speed of c/7. It is known for its unique shape and movement pattern.

Discoverer: Matthias Merzenich

84P87

oscillator
Period 87

The smallest known period-87 oscillator in Conway's Game of Life.

86P5H1V1

spaceship
Period 5

86P5H1V1 is the second c/5 diagonal spaceship to be discovered in Conway's Game of Life.

Discoverer: Jason Summers

86P9H3V0

spaceship
Period 9

A period 9 spaceship related to the 117P9H3V0 pattern.

Discoverer: David Bell

87P26

oscillator
Period 26

The smallest known period 26 oscillator in Conway's Game of Life.

88P28

oscillator
Period 28

A period 28 oscillator discovered by Karel Suhajda. It features a symmetrical pattern that repeats every 28 generations.

Discoverer: Karel Suhajda
Year: 2007

8-engine Cordership

spaceship
Period 192

The 8-engine Cordership is a large, slow-moving spaceship in Conway's Game of Life, notable for its complex structure and multiple engines.

Discoverer: Dean Hickerson

92P33.1

oscillator
Period 33

The smallest known period 33 oscillator as of April 2009.

Discoverer: Jason Summers
Year: 2000

92P51

oscillator
Period 51

The smallest known period 51 oscillator in Conway's Game of Life.

94P27.1

oscillator
Period 27

The smallest known period 27 oscillator as of April 2009. It was discovered by Jason Summers in August 2005.

Discoverer: Jason Summers
Year: 2005

98P25

oscillator
Period 25

98P25 is a period-25 oscillator discovered by Noam Elkies. It is known for its relatively large size and complex behavior.

Discoverer: Noam Elkies

98P25

oscillator
Period 25

98P25 is an oscillator with a period of 25. It is notable for its synthesis using 71 gliders.

B29 with gliders

spaceship
Period 29

A pattern showing three ways in which gliders can non-trivially follow a B29 spaceship. The B29 is a known spaceship in Conway's Game of Life.

BTS

still life

19-bit still life used as a catalyst in non-Spartan Herschel conduits.

Discoverer: Mark Niemiec

Cambrian Explosion

spaceship

The Cambrian Explosion is a complex pattern featuring a variety of spaceships and oscillators, showcasing a wide range of speeds and behaviors. It is based on Alan Hensel's 'a-plus.lif' and includes additional patterns selected from Koenig's Life News weblog.

Corder-lineship

spaceship
Period 96

The Corder-lineship is an optimized version of a p96 c/12 diagonal spaceship, originally by Jason Summers. A p768 version was also constructed by David Bell.

Discoverer: Jason Summers
Year: 2005

Cordership-LWSS-Freeze-Tag

spaceship
Period 384

A complex pattern involving eight p384 c/12 forward rakes interacting with a lightweight spaceship (LWSS) to produce a p384 spaceship.

Discoverer: David Bell
Year: 2005

Cordership-boat-burner

spaceship
Period 576

A diagonal period 576 c/12 spaceship where a glider consumes boats laid down by Cordership puffers.

Discoverer: David Bell
Year: 2004

Cordership-gun-p784

gun
Period 784

The Cordership-gun-p784 is a gun pattern that periodically emits Corderships, a type of spaceship, every 784 generations. It uses a Herschel-based mechanism to insert gliders into specific salvos.

Discoverer: Dave Greene
Year: 2003

Stamp collection

oscillator

A compilation of 650 oscillators with periods ranging from 1 to 40894, assembled by various contributors over many years.

Year: 1995

H-to-C

still life

The H-to-C is a converter pattern in Conway's Game of Life that transforms an incoming Herschel into a glider. It is used in constructing complex circuitry and logic gates within the Game of Life.

H-to-S-5G

gun

The H-to-S-5G is a glider-producing switch engine that converts an H-shaped pattern into a stream of gliders.

Heisenburp

oscillator

Heisenburp is a large and complex pattern in Conway's Game of Life, known for its intricate structure and behavior.

LWSS Breeder

gun

The LWSS Breeder is a type of MSM breeder that creates streams of lightweight spaceships (LWSS) using a c/2 orthogonal head that lays down Gosper guns. These guns produce glider streams that collide to form LWSS streams.

P1-pseudo-Heisenburp

still life

The P1-pseudo-Heisenburp is a large and complex pattern in Conway's Game of Life. It is characterized by its intricate structure and is not known to have any specific periodic behavior.

Turing-Machine-3-state

methuselah

A complex pattern simulating a 3-state, 3-symbol Turing machine within Conway's Game of Life. It demonstrates the computational universality of the Game of Life.

Discoverer: Paul Rendell
Year: 2000

Unit-Life-Deep-Cell

still life

The Unit-Life-Deep-Cell is a complex pattern that runs two independent Life universes, A0 and B0, which do not interact with each other. It is a modification of David Bell's Unit Cell.

Discoverer: Jared James Prince

Achim's other p16

oscillator
Period 16

Achim's other p16 is a period 16 oscillator discovered by Achim Flammenkamp. It features a symmetrical pattern that repeats every 16 generations.

Discoverer: Achim Flammenkamp

Achim's p11

oscillator
Period 11

Achim's p11 is a period 11 oscillator discovered by Achim Flammenkamp. It is notable for its relatively small size and period.

Discoverer: Achim Flammenkamp
Year: 1994

Achim's p144

oscillator
Period 144

Achim's p144 is a period 144 oscillator discovered by Achim Flammenkamp in 1994. It is known for its relatively large period compared to other oscillators.

Discoverer: Achim Flammenkamp
Year: 1994

Achim's p144

oscillator
Period 144

Achim's p144 is an oscillator with a period of 144, synthesized using gliders. It is notable for its complex structure and synthesis.

Discoverer: Achim Flammenkamp

Achim's p16

oscillator
Period 16

A period 16 oscillator discovered by Achim Flammenkamp in July 1994.

Discoverer: Achim Flammenkamp
Year: 1994

Achim's p16

oscillator
Period 16

Achim's p16 is an oscillator with a period of 16, discovered through synthesis by Mark Niemiec and Jason Summers. It is known for its complex structure and behavior.

Achim's p4

oscillator
Period 4

Achim's p4 is a period 4 oscillator in Conway's Game of Life. It was discovered by Achim Flammenkamp in 1988.

Discoverer: Achim Flammenkamp
Year: 1988

Achim's p4

oscillator
Period 4

Achim's p4 is an oscillator with a period of 4, synthesized using 7 gliders. It is based on a predecessor pattern by Lewis Patterson.

Discoverer: Achim Flammenkamp

Achim's p8

oscillator
Period 8

Achim's p8 is a period 8 oscillator discovered by Achim Flammenkamp. It features a symmetrical pattern that repeats every 8 generations.

Discoverer: Achim Flammenkamp
Year: 1994

Achim's p8

oscillator
Period 8

Achim's p8 is an oscillator that was synthesized using gliders. It has a period of 8.

Discoverer: Achim Flammenkamp

Acorn

methuselah

Acorn is a methuselah pattern that evolves for 5206 generations before stabilizing. It starts with just seven cells and produces a large number of live cells over its evolution.

Discoverer: Charles Corderman

Acorn (glider synthesis)

methuselah

A glider synthesis of the Acorn pattern, which is a small methuselah that evolves for a large number of generations before stabilizing.

Discoverer: Mark D. Niemiec

adjustable Corder lineship

spaceship
Period 6144

A spaceship pattern based on Corderships that can adjust its period by moving components. This example has a period of 6144.

Discoverer: Nicolay Beluchenko
Year: 2005

glider advancer

oscillator
Period 30

The glider advancer is a device that advances gliders by 60 generations using six copies of David Bell's p30 in-line NOT gate.

Discoverer: Dieter Leithner
Year: 1993

A for all

oscillator
Period 6

A for all is a period 6 oscillator that was discovered by Dean Hickerson in March 1993.

Discoverer: Dean Hickerson
Year: 1993

A for all_synth

still life

A glider synthesis pattern for creating 'A for all' objects in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Aircraft carrier

still life

A 6-cell still life that is the smallest still life with more than one island.

Aircraft carrier synthesis

still life

A glider synthesis pattern for creating aircraft carriers, a type of still life, using gliders.

Discoverer: Mark D. Niemiec

Airforce

oscillator
Period 7

A period 7 oscillator in which the rotor consists of two copies of that used in the burloaferimeter.

Discoverer: David Buckingham

AK47 reaction

reaction

A reaction in which a honey farm predecessor catalyzed by an eater and a block reappears at another location 47 generations later, having produced a glider and a traffic light.

Discoverer: Rich Schroeppel and David Buckingham

AK-94

gun
Period 94

The AK-94 is the smallest known true period 94 gun, discovered in May 2013.

Discoverer: Mike Playle
Year: 2013

AK-94 synthesis

spaceship
Period 94

The AK-94 is a spaceship pattern synthesized using 60 gliders. It is notable for its construction and efficiency.

Discoverer: Martin Grant
Year: 2013

Almost knightship

spaceship
Period 6

A pattern that is nearly a period-6 knightship, with only two cells incorrect after six generations.

Discoverer: Eugene Langvagen

Almosymmetric

oscillator
Period 2

Almosymmetric is a period 2 oscillator that was discovered in 1971. It is known for its almost symmetrical appearance.

Year: 1971

Alternate eater 5

still life

An alternate form of the eater 5 pattern, using a long hook with tail instead of a block.

Alternate pentadecathlon on snacker

oscillator
Period 15

An alternate form of the pentadecathlon pattern interacting with a snacker, featuring a smaller bounding box of 20x18.

Alternate pi orbital

oscillator
Period 12

An alternate version of the pi orbital oscillator using a period 12 sparker, discovered by Nicolay Beluchenko.

Discoverer: Nicolay Beluchenko

Alternate wickstretcher 1

spaceship

A slightly smaller variant of the wickstretcher 1 pattern, designed to extend a wick in the Game of Life.

Discoverer: Paul Tooke

Amphisbaena

oscillator
Period 2

Amphisbaena is a small, simple oscillator that resembles a two-headed snake, hence its name.

Amphisbaena Synthesis

spaceship
Period 4

A glider synthesis of the amphisbaena, a known spaceship pattern in Conway's Game of Life.

annotation-format-eater-salvos

gun

This pattern involves 36 slow p2 salvos that produce eaters in four orientations, useful for incremental slow-salvo constructions.

Anteater 1

spaceship
Period 4

Anteater 1 is a c/4 diagonal spaceship pattern discovered by Nicolay Beluchenko. It is known for its unique movement and structure.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater 2

spaceship
Period 4

Anteater 2 is a c/4 diagonal spaceship pattern discovered by Nicolay Beluchenko. It is a variation of the anteater pattern with a double structure.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater3

spaceship
Period 4

Anteater3 is a spaceship pattern related to the anteater family, discovered by Nicolay Beluchenko. It moves at a speed of c/4.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater4

spaceship

Anteater4 is a pattern related to a double puffer mechanism, based on Hartmut Holzwart's 29-bit spaceship (B29).

Discoverer: Nicolay Beluchenko
Year: 2005

anteater5

spaceship
Period 4

The anteater5 is a pattern that includes a c/4 spaceship connected to a puffer, discovered by Nicolay Beluchenko.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater6

spaceship

Anteater6 is a glide-symmetric pattern used as a tagalong in Conway's Game of Life. It was discovered by Nicolay Beluchenko.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater7

spaceship

The 'anteater7' is a pattern involving alternate anteaters connected to sparking ships using glide-reflecting tagalong elements.

Discoverer: Nicolay Beluchenko
Year: 2005

anteater8

oscillator
Period 8

Anteater8 is a small pattern based on a c/4 domino-spark spaceship. It is known for its unique interaction properties.

Discoverer: Hartmut Holzwart
Year: 2005

Ants

spaceship
Period 5

Ants is an orthogonal period 5 lightspeed wick that moves in a straight line.

Anvil

still life

Anvil is a small induction coil pattern used in various larger constructions.

Asymmetric pre-pulsar spaceship

spaceship
Period 30

An asymmetric version of the period 30 orthogonal c/5 pre-pulsar spaceship, featuring two spiders pushing a pre-pulsar.

Discoverer: Alan Hensel
Year: 1998

Aries betwixt two blocks

still life

A 31-bit still life pattern that is the most common naturally-occurring still life of its size.

ark

methuselah

Ark is a methuselah pattern that stabilizes after 736,692 generations.

Discoverer: Nick Gotts

ark

methuselah

Ark is a methuselah pattern that stabilizes after a large number of generations.

Discoverer: Nick Gotts

aVerage

oscillator
Period 5

A period 5 oscillator in which the average number of live rotor cells is five, which is also the period.

Discoverer: David Buckingham

B29

spaceship
Period 4

B29 is a small c/4 diagonal spaceship with an isolated domino spark.

Discoverer: Hartmut Holzwart
Year: 2004

B29

spaceship
Period 29

B29 is a spaceship pattern in Conway's Game of Life that moves diagonally. It was synthesized using 25 gliders.

Year: 2016

B-52 bomber

gun
Period 104

The B-52 bomber is a true period 104 double-barrelled glider gun that emits one glider every 52 generations. It utilizes a B-heptomino in its mechanism.

Discoverer: Noam Elkies

Babbling brook 1

oscillator
Period 4

A period 4 oscillator discovered by Dean Hickerson in August 1997. It is notable for being the only known babbling brook with more than 4 cells in its rotor.

Discoverer: Dean Hickerson
Year: 1997

Backrake 1

spaceship
Period 8

Backrake 1 is an orthogonal period 8 c/2 spaceship that functions as a backrake, leaving behind a trail of debris.

Discoverer: Jason Summers

Backrake 2

spaceship
Period 12

Backrake 2 is a period 12 orthogonal c/2 spaceship that functions as a backrake, leaving behind a trail of debris.

Discoverer: David Buckingham

Backrake 3

spaceship
Period 64

Backrake 3 is a pseudo period 32 (true period 64) orthogonal c/2 backrake based on puffer 1.

Backward space rake

spaceship
Period 20

A simple orthogonal backward glider rake with period 20 and speed c/2.

Baker

oscillator
Period 4

Baker is a diagonal period 4 lightspeed fuse in Conway's Game of Life.

Discoverer: Keith McClelland

Baker's dozen

oscillator
Period 12

A period 12 oscillator that consists of a loaf hassled by two blocks and two caterers.

Discoverer: Robert Wainwright

Baker's dozen synthesis

oscillator

A 30-glider synthesis of the Baker's dozen pattern, which is a known oscillator in Conway's Game of Life.

Bakery

still life

A common 28-cell still life formation consisting of two bi-loaves.

Bakery Synth

oscillator

A glider synthesis pattern that constructs bakeries, a type of oscillator, using gliders.

Discoverer: Mark D. Niemiec

Barge

still life

A common 6-cell still life pattern in Conway's Game of Life, resembling a small boat.

Barge 2 (extended)

spaceship
Period 2

Barge 2 (extended) is a c/2 period 2 orthogonal spaceship pattern in Conway's Game of Life.

Discoverer: Hartmut Holzwart

Barge 2

spaceship
Period 2

Barge 2 is a period 2 c/2 orthogonal extendable spaceship. It is a variation of the barge pattern, capable of moving across the grid.

Discoverer: Hartmut Holzwart

Barge Synth

still life

A glider synthesis pattern that constructs barges, a type of still life, using gliders.

Discoverer: Mark D. Niemiec

Barge (spaceship)

spaceship
Period 3

A period 3 c/3 orthogonal spaceship discovered by Hartmut Holzwart and David Bell.

Discoverer: Hartmut Holzwart and David Bell

Barge (spaceship)

spaceship
Period 3

The Barge is a period 3 c/3 orthogonal extendable spaceship pattern in Conway's Game of Life.

Discoverer: Hartmut Holzwart and David Bell

Barge with long tail

still life

The Barge with long tail is a still life pattern that resembles a barge with an extended tail. It is a stable formation that does not change over time.

barge with long tail synthesis

still life

A glider synthesis of the barge with long tail, a still life pattern in Conway's Game of Life.

basic rakes

spaceship

Basic rakes are puffers that emit spaceships as debris, typically moving at c/2 speed. They include various period rakes such as p20 and p16, and are part of Alan Hensel's pattern collection.

Discoverer: Tim Coe
Year: 1996

Beacon

oscillator
Period 2

A common period 2 oscillator consisting of two diagonally touching blocks.

Discoverer: John Conway

Beacon synthesis

oscillator
Period 2

A glider synthesis pattern that constructs a beacon, a well-known oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

beacon and long hook synthesis

oscillator
Period 2

A 6-glider synthesis pattern that creates a beacon and a long hook. The beacon is a small period-2 oscillator, while the long hook is a still life.

Discoverer: Mark D. Niemiec

Beacon and two tails

oscillator
Period 2

Beacon and two tails is a period 2 oscillator that combines a beacon with two tails, creating a larger oscillating structure.

Beacon and Two Tails

oscillator
Period 2

A pattern consisting of a beacon oscillator with two tails attached. It is synthesized using gliders.

Discoverer: Mark D. Niemiec

Beacon maker

oscillator
Period 8

A diagonal period 8 lightspeed fuse that creates beacons as it burns.

Beacon on 38P11.1

oscillator
Period 22

A period 22 oscillator consisting of a period 2 beacon and a period 11 oscillator (38P11.1). It is the smallest known period 22 oscillator but is often considered trivial.

Beacon on table tie eater

still life

A complex still life pattern that combines a beacon, a table, and an eater. It is a static configuration that does not change over time.

Bee hat

still life

Bee hat is a 15-cell still life pattern in Conway's Game of Life.

Bee hat synthesis

still life

A 4-glider synthesis of the bee hat still life pattern.

Discoverer: Dean Hickerson

Beehive

still life

An extremely common 6-cell still life pattern in Conway's Game of Life, resembling the shape of a beehive.

Discoverer: John Conway

Beehive synthesis

still life

A synthesis pattern for creating a beehive still life using gliders.

Discoverer: Mark D. Niemiec

Beehive and cap

still life

Beehive and cap is a 14-cell still life pattern in Conway's Game of Life.

Beehive and dock

still life

Beehive and dock is a 16-cell still life pattern in Conway's Game of Life, consisting of a beehive and a dock structure.

Beehive and long hook eating tub

oscillator
Period 3

A period 3 oscillator that involves a beehive and a long hook interacting with a tub.

Discoverer: Robert Wainwright

Beehive and Long Hook Eating Tub Synthesis

still life

A synthesis pattern involving a beehive and a long hook eating a tub, created using 12 gliders.

Discoverer: Mark D. Niemiec

Beehive and table

still life

Beehive and table is a 12-cell still life pattern in Conway's Game of Life, consisting of a beehive and a table.

Beehive and Table Synth

still life

A glider synthesis pattern that constructs a beehive and a table, both of which are common still lifes in Conway's Game of Life.

Beehive at beehive

still life

A simple 12-cell still life composed of two beehives placed adjacent to each other.

Beehive at beehive synthesis

still life

The 'Beehive at beehive synthesis' is a glider synthesis pattern that constructs a beehive still life using gliders. It demonstrates the ability to create stable structures from dynamic components.

Discoverer: Mark D. Niemiec

Beehive at loaf

still life

Beehive at loaf is a 13-cell still life pattern in Conway's Game of Life, consisting of a beehive and a loaf placed adjacent to each other.

Beehive at Loaf

still life

Beehive at loaf is a still life pattern that can be synthesized using gliders. It consists of a beehive and a loaf positioned adjacent to each other.

Discoverer: Dean Hickerson

Beehive bend tail

still life

A 12-cell still life pattern that features a beehive with an additional tail structure.

Beehive bend tail synthesis

still life

A glider synthesis pattern for creating the beehive bend tail still life.

Beehive fuse

spaceship
Period 128

A diagonal 3c/32 period 128 fuse pattern in Conway's Game of Life.

Beehive test tube baby

still life

Beehive test tube baby is a still life pattern in Conway's Game of Life, consisting of a beehive attached to a test tube-like structure.

Beehive with nine

still life

A 12-cell still life pattern that is an extension of the beehive with additional cells.

Beehive with Nine

still life

Beehive with Nine is a still life pattern that can be synthesized using gliders. It is a variation of the beehive pattern with additional cells.

Beehive with tail

still life

A 10-cell still life pattern that resembles a beehive with an additional tail.

Beehive with Tail

still life

The Beehive with Tail is a still life pattern in Conway's Game of Life, consisting of a beehive with an additional tail-like extension.

Discoverer: Mark D. Niemiec

Bent keys

oscillator
Period 3

Bent keys is a period 3 oscillator that was discovered by Dean Hickerson in 1989. It is known for its distinctive shape resembling a set of bent keys.

Discoverer: Dean Hickerson
Year: 1989

Bent keys synthesis

still life

A synthesis pattern using 10 gliders to create the 'bent keys' still life.

Discoverer: Jason Summers

B-heptomino

methuselah

A very common methuselah with a lifespan of 148 generations, known for its distinctive evolution pattern.

B-heptomino_synth

methuselah

A synthesis pattern for the B-heptomino using gliders, created by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Bi-block

still life

The Bi-block is an 8-cell pseudo still life consisting of two adjacent blocks.

Bi-block synthesis

still life

A pattern demonstrating the glider synthesis of bi-blocks, which are simple still life structures.

Discoverer: Mark D. Niemiec

Bi-boat

still life

The Bi-boat is a small still life pattern consisting of two boat shapes connected together.

Bi-cap

still life

A 16-cell still life consisting of two caps.

Bi-cap

still life

The Bi-cap is a pattern synthesized using gliders. It is known for its unique structure and synthesis method.

Discoverer: Dean Hickerson

Bi-clock

oscillator
Period 6

The Bi-clock is a pure glider generator composed of two clocks. It is an oscillator pattern.

Big glider

spaceship
Period 4

The Big glider is the first known diagonal spaceship other than the glider, with a period of 4 and speed of c/4.

Discoverer: Dean Hickerson

Big Glider Tagalongs

spaceship

A pattern that serves as a tagalong for one or more 'big gliders', which are large spaceship patterns. The central block can be modified or replaced with parts of other patterns like the Canada goose or Orion 2.

Big S

still life

Big S is a 14-cell still life pattern in Conway's Game of Life.

Big S Synth

still life

A glider synthesis pattern for creating the 'Big S' still life using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Bi-gun

gun
Period 46

The Bi-gun is a true period 46 double-barreled glider gun that produces two streams of gliders.

Discoverer: Bill Gosper

Bi-gun

gun

The Bi-gun is a pattern that produces two streams of gliders. It is synthesized using gliders.

Discoverer: Nathaniel Johnston

billiard table

oscillator

A billiard table oscillator is characterized by a rotor enclosed within a stator, making it interesting but not useful for larger constructions due to lack of exposed sparks.

Bi-loaf 1

still life

A 14-cell still life pattern that forms half of a bakery.

Bi-loaf 1 synthesis

still life

A glider synthesis pattern for the bi-loaf 1 still life, created using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Bi-loaf 2

still life

Bi-loaf 2 is a 14-cell still life pattern in Conway's Game of Life.

Bi-loaf 2 synthesis

still life

The Bi-loaf 2 synthesis is a glider synthesis pattern for creating the bi-loaf 2 still life. It involves a specific arrangement of gliders to form the pattern.

Discoverer: Mark D. Niemiec

Bi-loaf 3

still life

A small pure glider generator that is a variation of the loaf pattern.

Bi-loaf 4

still life

Bi-loaf 4 is a 14-cell still life pattern in Conway's Game of Life.

Bi-loaf 4 synthesis

still life

A glider synthesis pattern for creating the bi-loaf 4 still life.

Bipole

oscillator
Period 2

The Bipole is a period 2 oscillator, also known as the barberpole of length 2.

Bipole synthesis

oscillator
Period 2

A glider synthesis pattern that constructs a bipole, which is a small oscillator.

Discoverer: Mark D. Niemiec

Bipole bridge pseudo-barberpole

oscillator
Period 10

A period 10 oscillator composed of a bipole and a pseudo-barberpole. It is the smallest period 10 oscillator, though often considered trivial.

Bipole bridge pseudo-barberpole synthesis

oscillator

A synthesis pattern involving a bipole bridge and a pseudo-barberpole, created using 62 gliders.

Bipole on boat

oscillator
Period 2

Bipole on boat is an oscillator pattern consisting of a bipole stabilized by a boat. It oscillates between two phases.

Bi-pond

still life

A 16-cell still life made up of two ponds.

Bi-pond synthesis

still life

A glider synthesis pattern for creating bi-ponds, a type of still life, using a specific arrangement of gliders.

Discoverer: Mark D. Niemiec

Birthday puffer

spaceship
Period 48

The Birthday puffer is a pattern in Conway's Game of Life that leaves behind a trail of debris as it moves. It is a type of spaceship that is known for its unique movement and trail.

Bistable switch

still life

The Bistable switch is a logic circuit pattern discovered by Paul Callahan in 1994. It was found while searching for a stable reflector.

Discoverer: Paul Callahan
Year: 1994

Biting off more than they can chew

oscillator
Period 3

A period 3 oscillator discovered by Peter Raynham in 1972. It is known for its complex appearance and behavior.

Discoverer: Peter Raynham
Year: 1972

Biting off more than they can chew

methuselah

A pattern synthesized using gliders, known for its complex interaction and transformation.

Discoverer: Mark D. Niemiec

Biting off more than they can chew extended

oscillator
Period 3

An extension of the period 3 oscillator 'biting off more than they can chew'.

Blinker

oscillator
Period 2

A period 2 oscillator that is the smallest and most common oscillator.

Discoverer: John Conway

Blinker Synth

oscillator
Period 2

A glider synthesis pattern that creates blinkers, which are simple oscillators in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Blinker fuse

spaceship
Period 18

An orthogonal 2c/3 period 18 fuse that burns cleanly through blinkers.

Blinker fuse 2

spaceship
Period 6

An orthogonal 2c/3 period 6 blinker fuse that propagates a blinker pattern.

Blinker fuse 3

spaceship
Period 6

An orthogonal 2c/3 period 6 blinker fuse that propagates a blinker pattern along its length.

Blinker fuse (6c/13)

spaceship
Period 26

A 6c/13 orthogonal period 26 blinker fuse that propagates a line of blinkers.

Blinker Fuse Synthesis

oscillator

A glider synthesis pattern that constructs a blinker fuse, which is a linear pattern of blinkers.

Blinker puffer 1

spaceship
Period 8

An orthogonal period 8 c/2 blinker puffer, and the first blinker puffer to be found.

Discoverer: Robert Wainwright

Blinker puffer 1 synthesis

spaceship

A glider synthesis of Robert Wainwright's blinker puffer 1, which is a spaceship pattern.

Discoverer: Mark D. Niemiec

Blinker puffer 2

spaceship
Period 4

An orthogonal period 4 c/2 blinker puffer that emits blinkers as it moves. It was discovered by David Bell in 1992.

Discoverer: David Bell
Year: 1992

Blinker

oscillator
Period 2

The Blinker is the simplest oscillator in Conway's Game of Life, consisting of three cells in a row that alternate between horizontal and vertical orientations.

Discoverer: John Conway
Year: 1970

Blinkers bit pole

oscillator
Period 2

Blinkers bit pole is a period 2 oscillator that consists of two blinkers interacting with a still life structure. It was discovered in 1977.

Discoverer: Robert Wainwright
Year: 1977

Blinker ship 1

spaceship
Period 6

Blinker ship 1 is a spaceship pattern created by Paul Schick, utilizing his Schick engine. It is known for its unique movement involving blinkers.

Discoverer: Paul Schick

Block

still life

The Block is an extremely common 4-cell still life pattern in Conway's Game of Life.

Block glider synthesis

still life

A pattern demonstrating the synthesis of a block still life using gliders.

Discoverer: Mark D. Niemiec

Blockade

still life

A 16-cell still life made up of four blocks.

Blockade Synth

still life

A glider synthesis pattern for creating lumps of muck or blockades, discovered by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Block and cap

still life

Block and cap is a 12-cell still life pattern in Conway's Game of Life.

Block and cap synthesis

still life

A glider synthesis pattern that constructs a block and caps configuration using gliders.

Discoverer: Mark D. Niemiec

Block and dock

still life

A 14-cell still life pattern consisting of a block and a dock.

Block and dock synthesis

still life

A glider synthesis pattern for creating a block on docks configuration in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Block and glider

methuselah

A methuselah pattern consisting of a block and a glider with a lifespan of 106 generations.

Block and two tails

still life

Block and two tails is a 12-cell still life pattern in Conway's Game of Life.

Block and two tails

still life

Block and two tails is a still life pattern that can be synthesized using gliders. It consists of a block with two tails extending from it.

Blocked p4-1

oscillator
Period 4

Blocked p4-1 is a period 4 oscillator that features a symmetrical arrangement of blocks and blinkers.

Discoverer: Adam P. Goucher

Blocked p4-2

oscillator
Period 4

Blocked p4-2 is a period 4 oscillator discovered by Adam P. Goucher. It features a symmetrical arrangement that repeats every four generations.

Discoverer: Adam P. Goucher

Blocked p4-3

oscillator
Period 4

Blocked p4-3 is a period 4 oscillator discovered by Adam P. Goucher. It features a symmetrical structure that oscillates every four generations.

Discoverer: Adam P. Goucher

Blocked p4-4

oscillator
Period 4

A sparking period 4 oscillator that features a block interacting with a larger oscillator component.

Discoverer: Matthias Merzenich
Year: 2010

Blocked p4-5

oscillator
Period 4

A sparking period 4 oscillator that features a block interacting with a larger oscillator component.

Discoverer: Matthias Merzenich
Year: 2010

Blocked p4 t-nose

oscillator
Period 4

A period 4 oscillator with a distinctive T-shaped nose structure.

Discoverer: Adam P. Goucher

Blocked p4 t-nose hybrid

oscillator
Period 4

A sparking period 4 oscillator that combines elements of a blocked oscillator and a t-nose shape.

Discoverer: Matthias Merzenich
Year: 2010

Blocker

oscillator
Period 8

Blocker is a period 8 oscillator that was discovered by Robert Wainwright. It is known for its simple structure and oscillating behavior.

Discoverer: Robert Wainwright

Blocker synthesis

still life

A glider synthesis pattern for creating a blocker, which is a common still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

blockish-and-blockic-seeds

methuselah

A complex pattern involving blockic and blockish seeds, used for constructing oscillators and eater variants. It includes synchronized glider pairs and turner tables.

Discoverer: Mark Niemiec
Year: 2004

Block-laying switch engine

spaceship
Period 288

A diagonal period 288 c/12 block-laying puffer that creates blocks as it moves.

Discoverer: Charles Corderman

Block-laying switch engine synthesis

spaceship

A glider synthesis pattern for creating a block-laying switch engine, which is a type of spaceship that leaves behind a trail of blocks.

Discoverer: Mark D. Niemiec

Block-laying switch engine predecessor

methuselah

A simple 12-cell pattern that evolves into the diagonal period 288 c/12 block-laying switch engine puffer.

Block on boat

still life

Block on boat is a pseudo still life consisting of a block attached to a boat. It is a stable pattern that does not change over time.

Block on Boat Synthesis

still life

A glider synthesis pattern that creates a block on boat still life. It is constructed using gliders.

Discoverer: Mark D. Niemiec

Block on table

still life

Block on table is a simple 10-cell still life pattern consisting of a block placed on a table-like structure.

Block on Table

still life

Block on Table is a still life pattern consisting of a block placed on a table-like structure. It is known for its stability and simplicity.

Discoverer: Mark D. Niemiec

Blockstacker

gun

Blockstacker is a pattern that creates an infinite row of blocks. It was created by Jason Summers.

Discoverer: Jason Summers
Year: 1999

Blom

methuselah

Blom is a methuselah pattern with a lifespan of 23314 generations.

Discoverer: Dean Hickerson
Year: 2002

Blonker

spaceship
Period 10

Blonker is a spaceship pattern in Conway's Game of Life that moves diagonally. It is known for its unique shape and movement.

Discoverer: Nicolay Beluchenko

Blonker Synthesis

oscillator

A glider synthesis of the blonker pattern, which is a type of oscillator in Conway's Game of Life.

Discoverer: Martin Grant

Boat

still life

The Boat is the smallest still life with five cells, resembling a small boat shape.

Boat Synth

still life

A glider synthesis pattern that constructs a boat, a small still life, using gliders.

Discoverer: Mark D. Niemiec

Boat-bit

still life

A reaction that demonstrates how boats can be used to represent binary bits, with glider collisions for reading and writing.

Boat maker

spaceship
Period 4

A diagonal period 4 lightspeed fuse that creates boats as it progresses.

Boat on aircraft

still life

Boat on aircraft is a still life pattern consisting of a boat attached to an aircraft shape.

Boat on aircraft synthesis

still life

A glider synthesis pattern that constructs the Boat on aircraft still life.

Boat on quadpole

oscillator
Period 2

A period 2 oscillator consisting of a boat attached to a quadpole.

Boat on quadpole

still life

Boat on quadpole is a still life pattern that can be synthesized using gliders. It features a boat attached to a quadpole.

Boat on snake

still life

Boat on snake is a still life pattern that consists of a boat attached to a snake. It is a stable configuration that does not change over time.

Boat on spark coil

oscillator
Period 2

A period 2 oscillator that combines a boat with a spark coil.

Boat on spark coil

still life

Boat on spark coil is a still life pattern that can be synthesized using gliders. It features a boat attached to a spark coil.

Boat-ship-tie

still life

An 11-cell still life pattern composed of a ship and a boat.

Boat-ship-tie synthesis

still life

A glider synthesis pattern for creating boat-ship-ties, which are a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Boatstretcher 1

spaceship

Boatstretcher 1 is the first diagonal wickstretcher to be found, discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart

Boat test tube baby

still life

Boat test tube baby is a still life pattern that resembles a boat attached to a test tube shape. It is a stable configuration that does not change over time.

Boat-tie

still life

Boat-tie is a 10-cell still life pattern in Conway's Game of Life.

Boat-tie synthesis

still life

The Boat-tie synthesis is a glider synthesis pattern for creating boat-ties, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Boat with hooked tail

still life

The Boat with hooked tail is a still life pattern in Conway's Game of Life. It is a variation of the boat pattern with an additional tail-like extension.

Boat with long tail

still life

A 10-cell still life pattern that resembles a boat with an extended tail.

Boat with long tail

still life

The 'Boat with long tail' is a still life pattern in Conway's Game of Life. It is a variation of the boat pattern with an extended tail.

Discoverer: Mark D. Niemiec

Boat with very long tail

still life

The Boat with very long tail is a still life pattern that consists of a boat with an extended tail structure.

bobsled run 2

methuselah

Bobsled run 2 is a variant of the switch engine pattern, utilizing boats as catalysts. It is a complex and intricate pattern that demonstrates the dynamic interactions possible in Conway's Game of Life.

Discoverer: David Bell
Year: 2005

Boojum reflector

still life

The Boojum reflector is the smallest known stable reflector in Conway's Game of Life, discovered by David Greene.

Discoverer: David Greene
Year: 2009

Bookend

still life

Bookend is a small induction coil used in various larger patterns.

Bookend Synth

still life

A glider synthesis pattern that constructs a bookend still life.

Discoverer: Mark D. Niemiec

Bookends

still life

Bookends is a 14-cell still life pattern in Conway's Game of Life.

Bookends_synth

still life

A glider synthesis pattern for creating the 'bookends' still life using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Boring p24

oscillator
Period 24

Boring p24 is an oscillator with a period of 24 generations. It is known for its simple and repetitive structure.

Boss

oscillator
Period 4

Boss is a period 4 oscillator in Conway's Game of Life.

Discoverer: David Buckingham

Bottle

oscillator
Period 8

Bottle is a period 8 oscillator in Conway's Game of Life.

Discoverer: Achim Flammenkamp

Brain

spaceship
Period 3

Brain is an orthogonal period 3 c/3 spaceship in Conway's Game of Life.

Discoverer: David Bell

Brain perturbing glider

spaceship
Period 4

The Brain perturbing glider is a spaceship pattern that interacts with the Brain pattern in Conway's Game of Life. It is known for its unique interaction properties.

Breeder 1

gun

Breeder 1 is the first known pattern in Conway's Game of Life that exhibits quadratic growth. It was discovered in the early 1970s.

Discoverer: Bill Gosper
Year: 1970

Bricklayer

oscillator

Bricklayer is a pattern in Conway's Game of Life that was discovered by David Bell. It is known for its unique structure and behavior.

Discoverer: David Bell
Year: 2002

brokenlife

uncategorized

The pattern 'brokenlife' does not correspond to any well-known or standardized pattern in Conway's Game of Life. It may be a custom or lesser-known pattern.

Broken lines

oscillator
Period 2

Broken lines is a pattern in Conway's Game of Life that was discovered by Dean Hickerson. It is known for its complex structure and behavior.

Discoverer: Dean Hickerson

Buckaroo

oscillator
Period 30

Buckaroo is a period 30 oscillator based on the queen bee shuttle. It can reflect gliders unless the eater is moved closer to the queen bee.

Discoverer: David Buckingham

Buckaroo Synth

oscillator

A glider synthesis pattern for the buckaroo, which is a known oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Bullet heptomino

methuselah

The Bullet heptomino is a methuselah pattern that evolves from the T-tetromino. It is known for its long-lasting evolution before stabilizing.

Bumper

oscillator
Period 34

A small, color-preserving 90° glider reflector with a repeat time of 34.

Discoverer: Tanner Jacobi

Bun

still life

An induction coil that is a common predecessor of the honey farm.

Bunnies

methuselah

Bunnies is a methuselah pattern known for its long lifespan of 17332 generations. It is also a parent of the 'rabbits' pattern.

Discoverer: Robert Wainwright and Andrew Trevorrow

Bunnies 10

methuselah

Bunnies 10 is a methuselah pattern with a lifespan of 17,423 generations, evolving similarly to the Bunnies pattern after generation 104.

Discoverer: Tomas Rokicki

Bunnies 11

methuselah

A methuselah pattern with a lifespan of 17465 generations, evolving similarly to the 'bunnies' pattern after generation 146.

Discoverer: Tomas Rokicki

Bunnies 9

methuselah

Bunnies 9 is a methuselah pattern with a lifespan of 17410 generations, evolving similarly to the Bunnies pattern after generation 91.

Discoverer: Paul Callahan

Bunnies Synth

oscillator

A glider synthesis pattern for creating the 'bunnies' oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Burloaferimeter

oscillator
Period 7

The Burloaferimeter is a period 7 oscillator in Conway's Game of Life.

Discoverer: David Buckingham

Burloaferimeter synthesis

oscillator
Period 96

A glider synthesis of the burloaferimeter, which is a known oscillator pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Butterfly

methuselah

The Butterfly pattern evolves into a formation of two beehives after 33 generations.

Butterfly Synth

oscillator

A glider synthesis pattern that creates butterflies, a type of oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

By flops

oscillator
Period 2

By flops is a period 2 oscillator discovered by Robert Wainwright. It is a small and simple pattern that oscillates between two phases.

Discoverer: Robert Wainwright

By flops

oscillator
Period 2

By flops is a glider synthesis pattern created by Mark D. Niemiec. It is an oscillator pattern with a period of 2.

Discoverer: Mark D. Niemiec

c2-Cordership-rake

spaceship
Period 240

A rake pattern that moves at a speed of c/2 and is associated with Paul Tooke's 3-engine Cordership. It was created by Jason Summers.

Discoverer: Jason Summers
Year: 2004

c/2 wickstretcher

spaceship
Period 2

A c/2 orthogonal spaceship that stretches a period 6 wick. It moves in a straight line while extending the wick behind it.

c/3 forward rake p333

spaceship
Period 333

This is an engineless c/3 forward rake with a period of 333. It was assembled by Jason Summers using components by David Bell.

Discoverer: Jason Summers
Year: 2002

c/3 orthogonal spaceship

spaceship
Period 3

A collection of spaceships that move orthogonally at a speed of c/3. These patterns were discovered by multiple contributors and are known for their unique speed and movement.

c/3 greyship

spaceship
Period 3

The c/3 greyship is a spaceship pattern that moves orthogonally at a speed of c/3. It was constructed using several methods of stabilization.

Discoverer: Hartmut Holzwart
Year: 2005

c/3 puffer #1

spaceship
Period 3

The first c/3 orthogonal puffer, discovered by David Bell in April 1996. It leaves behind a trail of debris as it moves.

Discoverer: David Bell
Year: 1996

c/4 diagonal switch-engine breeder

spaceship
Period 4

This pattern involves two diagonal c/4 tub-and-beehive puffers and a c/2 period 392 backward rake that interact to produce block-laying switch engines.

Discoverer: David Bell
Year: 2005

c4-diagonal-puffer

spaceship
Period 4284

A highly non-optimized dirty c/4 diagonal puffer with a period of 4284, known for its tunneling gliders effect.

c/4 diagonal spaceship

spaceship
Period 4

A collection of c/4 diagonal spaceships, which are patterns that move diagonally across the grid at a speed of c/4. These spaceships are notable for their interactions and formations.

c/4 orthogonal spaceship

spaceship
Period 4

A collection of spaceships that move orthogonally at a speed of c/4. These patterns are known for their relatively small size and were discovered by various contributors over several years.

c4-sideways-rake

spaceship

A c/4 adjustable-period sideways glider rake with a complex convoy structure. It can be modified to increase its period by 32 generations.

c/4 diagonal puffer 1

spaceship
Period 4

A puffer pattern that moves diagonally at a speed of c/4, leaving behind a trail of debris. It was the first known pattern of its kind.

Discoverer: Hartmut Holzwart
Year: 2004

c/4 diagonal spaceships

spaceship
Period 4

A collection of small spaceships that move diagonally at a speed of c/4 and have a period of 4. These patterns are notable for their movement and periodicity.

Discoverer: Jason Summers

c/4 greyship

spaceship
Period 4

The c/4 greyship is a spaceship pattern that moves orthogonally at a speed of c/4. It was discovered by Hartmut Holzwart in 2006.

Discoverer: Hartmut Holzwart
Year: 2006

c/4 orthogonal spaceships

spaceship
Period 4

A collection of spaceships that move orthogonally at a speed of c/4 and have a period of 4. These patterns are notable for their movement and periodicity.

Discoverer: Jason Summers

C/4 wave

spaceship
Period 4

The C/4 wave is a spaceship pattern that moves at a speed of c/4. It is known for its wave-like appearance and is a part of the larger family of spaceships.

Discoverer: Bullet51

c5-adjustable-rake

spaceship

A rake pattern that moves at speed c/5 and can have its period adjusted by modifying its glider loop. It is based on a period 19800 glider loop and can be expanded to create higher period rakes.

c/5 diagonal puffer 1

spaceship
Period 5

The first known c/5 diagonal puffer, which emits debris as it moves diagonally across the grid.

Discoverer: Matthias Merzenich
Year: 2010

c/5 diagonal tubstretcher

spaceship
Period 5

A c/5 diagonal wickstretcher pattern in Conway's Game of Life, which extends a wick of tubs diagonally.

Discoverer: Matthias Merzenich

c/5 orthogonal greyship

spaceship
Period 5

The c/5 orthogonal greyship is a spaceship pattern that moves at one-fifth the speed of light. It was discovered by Hartmut Holzwart in March 2010.

Discoverer: Hartmut Holzwart
Year: 2010

c/9 reaction

reaction

The c/9 reaction is a pattern that involves a specific interaction between moving parts, resulting in a reaction that propagates at a speed of c/9.

Caber tosser 1

spaceship

Caber tosser 1 is a smaller version of the first caber tosser pattern, utilizing a 7-engine Cordership. It was discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1994

Canada goose

spaceship
Period 4

A c/4 period 4 diagonal spaceship. It was once the smallest known diagonal spaceship other than the glider.

Discoverer: Jason Summers

Candelabra

oscillator
Period 3

Candelabra is a period 3 oscillator known for its symmetrical structure.

Discoverer: Charles Trawick

Candlefrobra

oscillator
Period 3

Candlefrobra is a period 3 oscillator that was discovered in 1984. It is known for its unique shape and behavior in Conway's Game of Life.

Discoverer: Robert Wainwright
Year: 1984

Candlefrobra_synth

still life

Candlefrobra_synth is a synthesis pattern using 12 gliders to create the candlefrobra pattern.

Discoverer: Mark D. Niemiec

Canoe

still life

Canoe is an 8-cell still life pattern in Conway's Game of Life.

Canoe Synth

still life

A glider synthesis pattern for creating canoes, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Cap

still life

Cap is a small induction coil pattern in Conway's Game of Life.

Cap and dock

still life

Cap and dock is a still life pattern in Conway's Game of Life, consisting of a cap and a dock structure.

Carnival shuttle

oscillator
Period 12

The Carnival shuttle is a period 12 oscillator in Conway's Game of Life.

Discoverer: Robert Wainwright

Carrier siamese carrier

still life

A 10-cell still life composed of two aircraft carriers attached together.

Carrier siamese carrier

still life

A still life pattern consisting of two carriers joined together. It is notable for its synthesis using gliders.

Discoverer: Mark D. Niemiec

Carrier siamese snake

still life

A 10-cell still life composed of an aircraft carrier and a snake attached together.

Carrier siamese snake

still life

The Carrier siamese snake is a still life pattern that can be synthesized using gliders. It is a combination of a carrier and a snake.

Discoverer: Mark D. Niemiec

Carrier with feather

still life

Carrier with feather is a still life pattern that consists of a carrier with an additional 'feather' component.

Catacryst

methuselah

Catacryst is a 58-cell pattern that exhibits quadratic growth in Conway's Game of Life.

Discoverer: Nick Gotts

Caterer

oscillator
Period 3

Caterer is a period 3 oscillator in Conway's Game of Life.

Discoverer: Dean Hickerson

Caterer synthesis

oscillator
Period 8

A glider synthesis of the caterer oscillator, which is a period 8 oscillator.

Discoverer: Mark D. Niemiec

Caterer on 34P13

oscillator
Period 39

A small period 39 oscillator that combines the Caterer with the 34P13 oscillator.

Discoverer: Jason Summers

Caterer on 36P22

oscillator
Period 66

A small non-trivial period 66 oscillator that combines the caterer and 36P22 patterns.

Caterer on 42P7.1

oscillator
Period 21

A period-21 oscillator that is notable for being the smallest known oscillator of its period, featuring a cell that oscillates at the full period.

Caterer on 44P7.2

oscillator
Period 21

A small period 21 oscillator that combines the Caterer and 44P7.2 patterns.

Caterer on 48P31

oscillator
Period 93

Caterer on 48P31 is the smallest known period-93 oscillator, combining a caterer with a 48P31 oscillator.

Caterer on 68P32

oscillator
Period 96

The smallest known period-96 oscillator, combining a caterer with the 68P32 oscillator.

Caterer on figure eight

oscillator
Period 24

A period 24 oscillator that combines a caterer with a figure eight. It is the smallest known oscillator of this period.

Caterer on rattlesnake

oscillator
Period 33

Caterer on rattlesnake is the smallest known period-33 oscillator in Conway's Game of Life.

Cauldron

oscillator
Period 8

Cauldron is a period 8 oscillator that was discovered in 1971. It is known for its symmetrical appearance and dynamic evolution over its cycle.

Discoverer: Robert Wainwright and Don Woods
Year: 1971

Cauldron Synth

oscillator
Period 4

A glider synthesis pattern for the cauldron, which is a known oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Centinal

oscillator
Period 100

The Centinal is a period 100 oscillator that combines the p54 shuttle and the twin bees shuttle.

Discoverer: Bill Gosper

Centinal synthesis

oscillator
Period 100

A glider synthesis of the centinal, a known oscillator pattern.

Discoverer: Mark D. Niemiec

Centinal reflector

oscillator
Period 100

The Centinal reflector is a pattern that reflects a glider 90 degrees. It is used in constructing complex circuits in Conway's Game of Life.

Discoverer: Bill Gosper

Century

methuselah

A methuselah pattern with a lifespan of 103 generations before stabilizing.

Century eater

still life

An eater pattern designed to consume a century or bookend, composed of three eater 1s surrounding a beehive.

Century Eater 2

methuselah

Century Eater 2 is a pattern that consumes a century, a common methuselah pattern, and stabilizes after a certain number of generations.

Discoverer: Ivan Fomichev

Cha cha

oscillator
Period 4

Cha cha is a small oscillator pattern in Conway's Game of Life.

Champagne glass

oscillator
Period 22

The smallest known non-trivial period 22 oscillator in Conway's Game of Life.

Champagne glass

oscillator
Period 22

The Champagne glass is a period 22 oscillator discovered by Dean Hickerson in the mid-1990s.

Discoverer: Dean Hickerson

chase-the-glider

spaceship

A pattern where a glider is bounced back and forth using convoys, extending its path incrementally. It demonstrates a race between diagonal and horizontal signals.

Chemist

oscillator
Period 5

Chemist is a period 5 oscillator in Conway's Game of Life.

C-heptomino

methuselah

A methuselah with a lifespan of 148 generations, evolving similarly to the B-heptomino after its second generation.

Cheshire Cat

methuselah

The Cheshire Cat is a block predecessor pattern in Conway's Game of Life.

Discoverer: C. R. Tompkins

Chicken wire

still life

Chicken wire is a simple stable agar pattern in Conway's Game of Life, forming a repeating grid-like structure.

Circle of Fire

oscillator
Period 4

Circle of Fire is an oscillator pattern in Conway's Game of Life that forms a circular shape and oscillates with a certain period.

Cis-barge with tail

still life

A 10-cell still life pattern in Conway's Game of Life, characterized by its barge-like shape with an additional tail.

Cis-barge with tail

still life

The cis-barge with tail is a still life pattern that can be synthesized using gliders.

Discoverer: Mark D. Niemiec

Cis-beacon and anvil

oscillator
Period 2

A period 2 oscillator that combines a beacon and an anvil.

Cis-beacon and cap

oscillator
Period 2

A period 2 oscillator that combines a beacon with an additional cap structure.

Cis-beacon and cap synthesis

still life

A glider synthesis pattern that combines a cis-beacon and a cap. It is a still life pattern created through the interaction of gliders.

Discoverer: Mark D. Niemiec

Cis-beacon and dock

oscillator
Period 2

Cis-beacon and dock is a period 2 oscillator that combines a beacon with a dock. It is a simple and stable pattern.

Cis-beacon and dock

still life

A pattern consisting of a cis-beacon and a dock, synthesized using gliders.

Cis-beacon and table

oscillator
Period 2

A period 2 oscillator that combines a beacon and a table.

Cis-beacon and table

still life

A glider synthesis pattern involving a cis-beacon and a table, which are both still life configurations.

Discoverer: Mark D. Niemiec

Cis-beacon up and long hook

oscillator
Period 2

A period 2 oscillator composed of a beacon and a long hook.

beacon and long hook synthesis

oscillator
Period 2

A 6-glider synthesis pattern that creates a beacon and a long hook. The beacon is a well-known oscillator, while the long hook is a still life.

Discoverer: Mark D. Niemiec

Cis-block and long hook

still life

A 12-cell still life pattern consisting of a block and a long hook formation.

Cis-block and long hook

still life

Cis-block and long hook is a still life pattern that can be synthesized using gliders. It consists of a block and a long hook connected in a specific configuration.

Cis-boat and dock

still life

A 15-cell still life pattern in Conway's Game of Life, consisting of a cis-boat attached to a dock.

Cis-boat and dock synthesis

still life

A glider synthesis pattern for creating cis-boat and dock still lifes. It demonstrates how these structures can be formed using gliders.

Discoverer: Mark D. Niemiec

Cis-boat and long hook eating tub

oscillator
Period 3

A period 3 oscillator that features a cis-boat and a long hook interacting with a tub.

Discoverer: Robert Wainwright

Cis-boat and long hook eating tub synthesis

still life

A 13-glider synthesis pattern involving a cis-boat and a long hook eating a tub. It is a still life pattern created through a specific glider synthesis.

Discoverer: Mark D. Niemiec

Cis-boat and table

still life

An 11-cell still life consisting of a boat on a table. It is the 81st most common still life.

Cis-boat and table

still life

Cis-boat and table is a still life pattern that can be synthesized using gliders. It consists of a cis-boat and a table, which are both stable configurations.

cis-boat with nine

still life

Cis-boat with nine is a 10-cell still life pattern in Conway's Game of Life.

Cis-boat with tail

still life

A 9-cell still life pattern in Conway's Game of Life, characterized by a boat shape with an additional tail.

Cis-boat with tail

still life

The Cis-boat with tail is a still life pattern in Conway's Game of Life. It is a variation of the boat pattern with an additional tail segment.

Discoverer: Mark D. Niemiec

Cis-fuse with two tails

still life

A simple 12-cell still life pattern in Conway's Game of Life.

Cis-fuse with two tails

still life

Cis-fuse with two tails is a still life pattern in Conway's Game of Life. It consists of a pair of blocks connected by a tail-like structure.

Cis-hook and R-bee

still life

A 14-cell still life composed of a bookend and a bun.

Cis-hook with tail

still life

A 10-cell still life pattern similar to the long long hook with tail.

cis-hook with tail

still life

Cis-hook with tail is a still life pattern in Conway's Game of Life. It is composed of a hook and a tail structure.

Discoverer: Mark D. Niemiec

Cis-loaf with tail

still life

A small 11-cell still life pattern that resembles a loaf with an additional tail segment.

Cis-loaf with tail

still life

The cis-loaf with tail is a still life pattern that resembles a loaf with an additional tail segment. It is often used in glider synthesis.

Discoverer: Mark D. Niemiec

Cis-long boat with tail

still life

The Cis-long boat with tail is a still life pattern in Conway's Game of Life, characterized by its boat-like shape with an extended tail.

Cis-mirrored professor

still life

A 46-bit natural still life pattern that is a variation of the 'professor' pattern.

cis-mirrored professor synthesis

synthesis

A glider synthesis pattern for the cis-mirrored professor, a variant of the professor pattern.

Cis-mirrored R-bee

still life

A 14-cell still life made up of two buns facing each other.

Cis-mirrored R-bee synthesis

still life

A glider synthesis pattern for creating a cis-mirrored R-bee configuration. It involves the use of gliders to construct the pattern.

Discoverer: Mark D. Niemiec

Cis-mirrored worm

still life

The Cis-mirrored worm is a still life pattern in Conway's Game of Life, characterized by its symmetrical structure.

Cis-mirrored worm siamese cis-mirrored worm

still life

A still life pattern consisting of two cis-mirrored worms connected in a siamese configuration.

Cis-R-bee and R-loaf

still life

A 15-cell still life composed of a bee and a loaf in a cis configuration.

Cis-rotated hook

still life

The Cis-rotated hook is a small still life pattern in Conway's Game of Life, consisting of seven cells.

Cis-rotated R-bee

still life

A 14-cell still life composed of two buns.

Cis-shillelagh

still life

A 10-cell still life pattern similar to the long long shillelagh.

Cis-shillelagh synth

still life

A glider synthesis pattern for the still life known as Cis-shillelagh.

Claw

still life

Claw is a small still life pattern in Conway's Game of Life, consisting of four cells that form a shape resembling a claw.

Claw test tube baby

still life

Claw test tube baby is a still life pattern in Conway's Game of Life. It is composed of a combination of smaller still life components.

Claw with tail

still life

A 10-cell still life pattern similar to hook with tail.

Claw with Tail Synth

still life

A glider synthesis pattern for the 'Claw with Tail', created by Mark D. Niemiec. It demonstrates how to construct the still life using gliders.

Discoverer: Mark D. Niemiec

claw with tub with tail

still life

Claw with tub with tail is a still life pattern consisting of a claw, a tub, and a tail structure.

Clips

still life

Clips is the most common naturally-occurring 30-bit still life in Conway's Game of Life.

Clock

oscillator
Period 2

A period 2 oscillator that is relatively common, found in May 1970.

Discoverer: Simon Norton
Year: 1970

Clock 2

oscillator
Period 4

Clock 2 is a period 4 oscillator in Conway's Game of Life.

Clock 2 Synthesis

oscillator
Period 2

A glider synthesis of the Clock 2 oscillator pattern.

Discoverer: Martin Grant

Clock Synth

oscillator
Period 2

A glider synthesis pattern for creating clocks, which are oscillators in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Cloverleaf interchange

oscillator
Period 3

The Cloverleaf interchange is a complex oscillator pattern in Conway's Game of Life. It features a symmetrical design and cycles through a series of states.

Discoverer: Adam P. Goucher

Coe ship

spaceship
Period 16

An orthogonal period 16 c/2 spaceship discovered in October 1995 that can act as a puffer engine.

Discoverer: Tim Coe
Year: 1995

Coe ship synthesis

spaceship

A glider synthesis pattern for the Coe ship, a known spaceship in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Coe's p8

oscillator
Period 8

Coe's p8 is a period 8 oscillator discovered by Tim Coe in August 1997.

Discoverer: Tim Coe
Year: 1997

Coe's p8

oscillator
Period 8

Coe's p8 is an oscillator with a period of 8. It is known for its synthesis using a relatively small number of gliders.

Discoverer: Coe

Coe's p8

oscillator
Period 8

Coe's p8 is an oscillator with a period of 8. It is known for its synthesis using a relatively small number of gliders.

Discoverer: Coe

Conduit 1

methuselah

A conduit that transforms a B-heptomino into a Herschel after 59 generations.

Discoverer: David Buckingham

Confused eaters

oscillator
Period 4

Confused eaters is a period 4 oscillator that was discovered by David Buckingham. It features a complex interaction of components that stabilize into a repeating cycle.

Discoverer: David Buckingham
Year: 1972

Confused Eaters Synthesis

still life

A glider synthesis pattern for creating the 'confused eaters' still life configuration.

Discoverer: Mark D. Niemiec

constructor-memory-loop

gun

A programmable constructor attached to a glider loop that contains a repeatable recipe for constructing an oblique line of eaters. It is based on a prototype by Paul Chapman.

Discoverer: Paul Chapman

constructor-memory-tape

gun

A prototype programmable constructor that reads a construction program from binary bits stored on a diagonal tape, capable of building complex patterns including a copy of itself.

Coolout Conjecture

still life

A counterexample disproving the Coolout Conjecture, found by Richard Schroeppel in 2001.

Discoverer: Richard Schroeppel
Year: 2001

Copperhead

spaceship
Period 10

Copperhead is a c/10 orthogonal spaceship pattern in Conway's Game of Life.

Discoverer: zdr
Year: 2016

Copperhead Synthesis

spaceship
Period 10

A synthesis pattern for the copperhead spaceship, using 22 gliders. It was improved from an earlier 25-glider synthesis.

Discoverer: Chris Cain, Tanner Jacobi
Year: 2016

Copperhead synthesis

spaceship
Period 10

A synthesis of the Copperhead spaceship using 14 gliders. The Copperhead is a small, c/10 orthogonal spaceship.

Discoverer: gmc_nxtman

Copperhead Synthesis

spaceship
Period 10

A synthesis pattern for the copperhead spaceship, using 22 gliders. It was improved from an earlier 25-glider synthesis.

Discoverer: Chris Cain, Tanner Jacobi
Year: 2016

Cordership

spaceship
Period 12

Corderships are c/12 diagonal spaceships built from switch engines, notable for their ability to clean up debris using their configuration.

Discoverer: Dean Hickerson

Cord puller

methuselah

Cord puller is a sawtooth pattern with an expansion factor of 6. It was discovered by Dean Hickerson and is known for its unique growth behavior.

Discoverer: Dean Hickerson
Year: 1991

Cousin prime calculator

methuselah

A pattern designed to calculate cousin primes in Conway's Game of Life, based on Dean Hickerson's primer.

Discoverer: Nathaniel Johnston
Year: 2009

Cousins

oscillator
Period 3

Cousins is a period 3 oscillator that contains two copies of the stillater rotor.

Cover

still life

Cover is an 8-bit induction coil pattern in Conway's Game of Life.

Cow

spaceship
Period 8

Cow is an orthogonal speed c/2 period 8 spaceship that acts as a fuse.

Crab

spaceship
Period 4

The Crab is the smallest known diagonal spaceship other than the glider. It has a period of 4 and moves with a speed of c/4.

Discoverer: Jason Summers
Year: 2000

Crab synthesis

spaceship
Period 4

Crab synthesis is a method to construct the Crab spaceship using 18 gliders. It was developed through collaborative efforts and incremental improvements.

Discoverer: Martin Grant, Tanner Jacobi, Brett Berger
Year: 2014

Crab tubstretcher

spaceship

A small tubstretcher pattern based on the crab spaceship.

Discoverer: Nicolay Beluchenko

Crane

spaceship
Period 4

Crane is a c/4 diagonal spaceship pattern discovered by Nicolay Beluchenko in 2005.

Discoverer: Nicolay Beluchenko
Year: 2005

Cross

oscillator
Period 3

Cross is a period 3 oscillator that was discovered by Robert Wainwright in October 1989. It features a symmetrical pattern that cycles every three generations.

Discoverer: Robert Wainwright
Year: 1989

Cross 2

oscillator
Period 3

Cross 2 is the second smallest member of an infinite family of period 3 cross oscillators.

Discoverer: Hartmut Holzwart

cross

still life

The cross is a pattern that can be synthesized with 16 gliders. It is known for its symmetrical shape.

Discoverer: Jason Summers

Crowd

oscillator
Period 3

Crowd is a period 3 oscillator that was discovered by David Buckingham in January 1973.

Discoverer: David Buckingham
Year: 1973

Crown

oscillator
Period 12

Crown is a period 12 oscillator discovered by Noam Elkies in January 1995.

Discoverer: Noam Elkies
Year: 1995

Crown synthesis

still life

A glider synthesis pattern for creating the 'crown' still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Cthulhu

oscillator
Period 2

Cthulhu is a large and complex oscillator pattern in Conway's Game of Life.

Discoverer: Adam P. Goucher

Cuphook

oscillator
Period 3

Cuphook is a period 3 oscillator with 3 cells in its rotor, discovered in 1970.

Discoverer: Rich Schroeppel
Year: 1970

Cuphook synthesis

still life

The Cuphook synthesis is a glider synthesis pattern for creating the cuphook still life.

Discoverer: Mark D. Niemiec

Cyclic

oscillator

Cyclic is an oscillator pattern in Conway's Game of Life that repeats its configuration after a certain number of generations.

Dart

spaceship
Period 3

An orthogonal period 3 spaceship with speed c/3, discovered in 1992.

Discoverer: David Bell
Year: 1992

Dart synthesis

spaceship

A glider synthesis pattern for creating the dart, a known spaceship in Conway's Game of Life.

Discoverer: Martin Grant, Dave Greene, Michael Simkin, Chris Cain, Ivan Fomichev
Year: 2014

Dead spark coil

still life

An 18-cell still life pattern in Conway's Game of Life.

Dead spark coil synthesis

still life

A glider synthesis of the dead spark coil, a common still life pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Decapole

oscillator
Period 15

Decapole is an oscillator pattern in Conway's Game of Life consisting of ten blinkers arranged in a symmetrical formation.

Decapole synthesis

oscillator
Period 15

The Decapole synthesis is a glider synthesis of the decapole pattern, which is a type of oscillator.

Discoverer: Goldtiger997

Deep cell

still life

A complex pattern that simulates two Life universes simultaneously.

Discoverer: Jared James Prince

Demonoid Synth

spaceship

The Demonoid Synth is a synthesis pattern for the Demonoid, a type of spaceship in Conway's Game of Life. It is used to construct the Demonoid pattern from a specific initial configuration.

diagfuse1

methuselah

Diagfuse1 is a complex pattern in Conway's Game of Life that involves intricate interactions between its components. It is known for its dynamic behavior and is part of the jslife pattern collection.

Discoverer: Jason Summers
Year: 1999

Diagonal Spaceships

spaceship

A collection of diagonal spaceships with varying speeds, including the famous glider and other notable designs like Orion and Canada goose.

diamond greyship

spaceship

The diamond greyship is a spaceship pattern with a diamond-like shape. It was discovered by Hartmut Holzwart in 2005.

Discoverer: Hartmut Holzwart
Year: 2005

Diamond ring

oscillator
Period 3

Diamond ring is a period 3 oscillator that was discovered by David Buckingham in 1972.

Discoverer: David Buckingham
Year: 1972

Diamond Ring Synthesis

oscillator

A 28-glider synthesis of a variation of the diamond ring pattern.

die658

methuselah

This pattern, created by Andrew Okrasinski, dies out completely after 658 generations. It is a finite pattern that does not stabilize into a repeating form.

Discoverer: Andrew Okrasinski

Die Hard

methuselah

Die Hard is a methuselah pattern that completely vanishes after 130 generations, making it notable for its long lifespan before dying out.

Dinner table

oscillator
Period 12

Dinner table is the first known period 12 oscillator in Conway's Game of Life, discovered in 1972.

Discoverer: Robert Wainwright
Year: 1972

Dinner table extension

oscillator

An extension of the 'Dinner table' pattern, which is a known oscillator in Conway's Game of Life.

Diuresis

oscillator
Period 90

Diuresis is a period 90 oscillator discovered by David Eppstein, with stabilization by Dean Hickerson. It is supported by pentadecathlons.

Discoverer: David Eppstein and Dean Hickerson

Dock

still life

The Dock is a small still life pattern known as an induction coil.

Dock siamese carrier

still life

Dock siamese carrier is a still life pattern that consists of a dock and a carrier sharing a common cell.

Orthogonal on-off

oscillator
Period 2

A simple oscillator pattern that alternates between two states in Conway's Game of Life.

Twin bees shuttle

oscillator
Period 46

The Twin bees shuttle, also known as Do-see-do, is an oscillator that involves a reaction between two queen bee shuttles.

Discoverer: David Bell
Year: 1996

Double caterer

oscillator
Period 3

Double caterer is a period 3 oscillator that was discovered by Dean Hickerson in October 1989.

Discoverer: Dean Hickerson
Year: 1989

Double ewe

oscillator
Period 3

Double ewe is a period 3 oscillator in Conway's Game of Life. It was discovered by Robert Wainwright no later than September 1971.

Discoverer: Robert Wainwright
Year: 1971

Double X

oscillator
Period 46

Double X is a period 46 oscillator based on the twin bees shuttle.

Discoverer: Robert Wainwright

Dove

still life

Dove is a small and simple pattern that resembles the shape of a dove. It is a still life pattern, meaning it does not change over time.

Dragon

spaceship
Period 6

An orthogonal period 6 spaceship, notable for being the first c/6 spaceship to be constructed.

Discoverer: Paul Tooke

Dragon flotillae

spaceship
Period 6

A flotilla pattern involving the c/6 orthogonal period 6 dragon spaceship.

Dragon tagalongs

spaceship
Period 6

Dragon tagalongs are patterns that accompany the dragon spaceship, a c/6 orthogonal period 6 spaceship, enhancing its structure.

Duodecapole

oscillator
Period 3

The Duodecapole is an oscillator pattern in Conway's Game of Life that consists of multiple poles and oscillates with a period of 3.

Duoplet

still life

Duoplet is a small still life pattern consisting of two adjacent cells.

Eater 1

still life

Eater 1 is the first discovered eater and a 7-cell still life pattern that can absorb and eliminate gliders and other spaceships.

Discoverer: Bill Gosper

Eater 1

still life

Eater 1 is a small still life pattern that can absorb gliders and other spaceships, effectively 'eating' them without being destroyed.

Discoverer: Mark D. Niemiec

Eater 1 reactions

still life

A collection of interactions demonstrating how the Eater 1 still life can consume various objects in Conway's Game of Life.

Eater 1 with blinker

still life

An eater 1 interacting with a blinker, demonstrating eater's ability to consume oscillators.

Eater 1 with glider

still life

An eater 1 pattern interacting with a glider, demonstrating its ability to absorb and eliminate the glider.

Eater 1 with loaf

still life

A still life pattern featuring an eater 1 positioned to consume a loaf. It demonstrates the eater's ability to remove parts of other patterns.

Eater 1 with pre-beehive

still life

A still life pattern featuring an Eater 1 interacting with a pre-beehive.

Eater 2

still life

A well-known eater and 19-cell still life that can eat gliders approaching from four different paths.

Discoverer: David Buckingham

Eater 2

still life

Eater 2 is a still life pattern that can consume various spaceships and other patterns. This RLE represents a synthesis of Eater 2 using 9 gliders.

Discoverer: Mark D. Niemiec

Eater 3

still life

A 31-cell still life and symmetric eater pattern in Conway's Game of Life.

Discoverer: David Buckingham

Eater 4

still life

A 40-cell still life and eater that doesn't eat gliders, but does eat other objects.

Discoverer: David Buckingham

Eater 4 Synthesis

still life

A glider synthesis of the eater 4, a still life pattern in Conway's Game of Life.

Eater 5

still life

A 12-cell still life and eater composed of a tub with tail and a block that is capable of eating gliders that approach from the top-right.

Eater 5 eating gliders

still life

An eater 5 pattern interacting with gliders approaching from different directions, demonstrating its ability to absorb them.

Eater/block frob

oscillator
Period 4

A period 4 oscillator that involves an eater and a block interacting in a frob-like manner.

Discoverer: David Buckingham
Year: 1976

Eater/block frob synthesis

still life

A 12-glider synthesis of the Eater/block frob pattern, which involves the interaction of an eater and a block.

Discoverer: Mark D. Niemiec

eater head siamese carrier

still life

The eater head siamese carrier is a still life pattern that combines an eater with a carrier, forming a stable configuration.

Eater head siamese snake

still life

The Eater head siamese snake is a still life pattern that combines an eater head with a siamese snake. It is stable and does not change over time.

Eater on boat

still life

A 12-cell still life pattern consisting of an eater 1 and a boat.

Eater on Boat

still life

Eater on Boat is a still life pattern that consists of an eater attached to a boat. It is notable for its ability to absorb gliders and other spaceships.

Discoverer: Mark D. Niemiec

Eater plug

oscillator
Period 2

The Eater plug is a period 2 oscillator that interacts with other patterns, often used to stabilize or modify them.

Discoverer: Robert Wainwright
Year: 1973

Eater plug_synth

still life

A glider synthesis pattern for creating an eater plug, a still life object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

eaters-misc

still life

A collection of eater-like still life patterns that consume objects other than gliders or spaceships.

Discoverer: Jason Summers

eaters

still life

Eaters are a class of still life patterns that can remove or 'eat' other objects, such as gliders, without being destroyed themselves.

Discoverer: Dean Hickerson

Eater siamese eater

still life

A 12-cell still life composed of two eaters.

Eater siamese eater

still life

The Eater siamese eater is a still life pattern that consists of two eaters sharing a common cell. It is often used in glider syntheses.

Eater stamp collection

still life

A collection of glider eaters, arranged by their recovery time.

Discoverer: Dean Hickerson

Eater tail siamese carrier

still life

A still life pattern that combines an eater tail with a carrier, forming a stable configuration.

eater tail siamese snake

still life

The eater tail siamese snake is a still life pattern that combines an eater tail with a siamese snake. It is stable and does not change over time.

Eater with cape

still life

Eater with cape is a still life pattern that resembles an eater with an additional 'cape' structure attached.

Ecologist

spaceship
Period 20

A period 20 c/2 orthogonal spaceship based on one of the classic puffer trains.

Ed

methuselah

Ed is a methuselah pattern in Conway's Game of Life, discovered by Schneelocke. It is named after a character from the 'Maniac Mansion' computer game.

Discoverer: Schneelocke
Year: 2010

Edge repair Herschel

spaceship
Period 3

A period 3 c/3 orthogonal edge-repair spaceship that is about to collide with a Herschel.

Edge-repair spaceship 1

spaceship
Period 3

An orthogonal period 3 c/3 spaceship that repairs its edge as it moves.

Discoverer: David Bell
Year: 1992

Edge-repair spaceship 2

spaceship
Period 4

An orthogonal c/4 period 4 spaceship that uses a T-tetromino reaction to destroy beehives.

Discoverer: Stephen Silver

Edge-repair spaceship 1

spaceship

A spaceship pattern that can delete various objects and survive, showcasing its ability to repair edges.

Edna

methuselah

Edna is a methuselah pattern in Conway's Game of Life with a lifespan of 31,192 generations before stabilizing.

Discoverer: Erik de Neve

Edna 26

methuselah

A methuselah pattern with a lifespan of 31,082 generations.

Discoverer: Erik de Neve and Matthias M.

E-heptomino

methuselah

The E-heptomino is a methuselah pattern that evolves for a significant number of generations before stabilizing.

Elbow Ladder

gun

The Elbow Ladder is a pattern that utilizes glider streams to construct and deconstruct elbows, allowing for complex constructions. It is based on glider guns and slide guns.

Discoverer: Scot Ellison
Year: 1997

Electric Fence

oscillator
Period 5

Electric Fence is a period 5 oscillator that stabilizes a pattern known as ants. It was discovered by Dean Hickerson.

Discoverer: Dean Hickerson

Elevener

still life

Elevener is an 11-cell still life pattern in Conway's Game of Life.

Elevener Synth

oscillator

A glider synthesis pattern for the elevener, which is a specific type of oscillator.

Discoverer: Mark D. Niemiec

Eleven loop

still life

An 11-cell still life pattern in Conway's Game of Life.

Eleven loop synthesis

oscillator

A glider synthesis pattern for the eleven loop, a known oscillator in Conway's Game of Life.

Elkies' p5

oscillator
Period 5

Elkies' p5 is a period 5 oscillator discovered by Noam Elkies in 1997.

Discoverer: Noam Elkies
Year: 1997

Elkies' p5

oscillator
Period 5

Elkies' p5 is an oscillator with a period of 5, discovered by Noam Elkies. It is known for its glider synthesis.

Discoverer: Noam Elkies

Ellison p4 HW emulator

oscillator
Period 4

A period 4 oscillator that emulates the spark of a heavyweight spaceship.

Discoverer: Scot Ellison

Ellison p4 HW emulator hybrid

oscillator
Period 4

A period 4 oscillator that produces a domino spark.

Discoverer: Scot Ellison

En retard

oscillator
Period 3

En retard is a period 3 oscillator that was discovered by David Buckingham in August 1972.

Discoverer: David Buckingham
Year: 1972

Enterprise

spaceship
Period 4

Enterprise is a period 4 diagonal spaceship with a speed of c/4. It was discovered by Dean Hickerson in March 1993.

Discoverer: Dean Hickerson
Year: 1993

Eureka

oscillator
Period 30

Eureka is a period 30 pre-pulsar shuttle oscillator discovered by David Buckingham in 1980.

Discoverer: David Buckingham
Year: 1980

Eureka synthesis

still life

Eureka synthesis is a glider synthesis pattern for the Eureka still life. It demonstrates how gliders can be used to construct the Eureka pattern.

Discoverer: Mark D. Niemiec

Eureka v2

oscillator
Period 30

A period 30 pre-pulsar shuttle oscillator.

Year: 1980

Eve

methuselah

Eve is a 20-cell methuselah pattern that lasts for 30,046 generations before stabilizing.

Discoverer: Andrzej Megier
Year: 2008

extensible low-period oscillator

oscillator

This pattern consists of low-period oscillators that can be extended or repeated. It is notable for its ability to maintain periodicity while being extended.

Discoverer: Alan Hensel

extra extra long snake

still life

A 10-cell still life that is an extended version of the snake pattern.

Extra extra long snake_synth

still life

A glider synthesis pattern for creating an extra extra long snake still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

extra long hook with tail

still life

The extra long hook with tail is a still life pattern in Conway's Game of Life. It is a stable formation that does not change over time.

extra long shillelagh

still life

The extra long shillelagh is a still life pattern in Conway's Game of Life, known for its elongated shape.

extra long snake

still life

A 9-cell still life that is an extended version of the snake pattern.

Extra Long Snake Synthesis

still life

A glider synthesis pattern that constructs an extra long snake, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Extremely Impressive

oscillator
Period 6

Extremely Impressive is a period 6 oscillator discovered by David Buckingham in 1976.

Discoverer: David Buckingham
Year: 1976

Extremely Impressive

still life

Extremely Impressive is a large and complex pattern synthesized from 30 gliders. It is notable for its intricate structure and synthesis.

Fast forward force field

spaceship

A reaction involving a lightweight spaceship and three gliders, allowing the spaceship to advance 11 spaces in 6 generations.

Discoverer: Dieter Leithner

Feather

still life

Feather is a small pattern in Conway's Game of Life that is known for its distinctive shape.

Fermat prime calculator

methuselah

This pattern is designed to calculate Fermat primes and self-destruct if any Fermat primes over 65537 are found. It represents known Fermat primes with tubs and stops growing if additional primes are discovered.

Fermat prime calculator

methuselah

A pattern designed to self-destruct if it detects a Fermat prime larger than 65537.

Discoverer: Jason Summers

Figure eight

oscillator
Period 8

The Figure eight is a period 8 oscillator that consists of two blocks that rotate around each other.

Discoverer: Simon Norton
Year: 1970

Figure Eight Synth

oscillator
Period 8

A glider synthesis of the figure eight oscillator, which is a common pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Figure eight as reflector

oscillator
Period 8

A figure eight pattern used to reflect gliders in Conway's Game of Life.

Figure eight on 34P13

oscillator
Period 104

A 46-cell non-trivial period 104 oscillator composed of a figure eight and a 34P13 oscillator.

Figure eight on 36P22

oscillator
Period 88

A small non-trivial period 88 oscillator that combines a figure eight with the 36P22 oscillator.

Figure eight on pentadecathlon

oscillator
Period 120

A compound oscillator consisting of a figure eight and a pentadecathlon, known for being the smallest period 120 oscillator.

Figure eight on rattlesnake

oscillator
Period 88

The smallest known period-88 oscillator in Conway's Game of Life, combining a figure eight with a rattlesnake.

Fireship

spaceship
Period 4

Fireship is a spaceship pattern in Conway's Game of Life that moves diagonally. It is known for its distinctive shape and movement.

Discoverer: Simon Ekström

Fireship synthesis

spaceship
Period 10

A 30-glider synthesis of the C/10 fireship spaceship, which is a notable pattern in Conway's Game of Life.

Discoverer: Nico Brown

Fire-spitting

oscillator
Period 3

Fire-spitting is a small period-3 oscillator that was discovered by Nicolay Beluchenko. It is known for its dynamic appearance and relatively simple structure.

Discoverer: Nicolay Beluchenko
Year: 2003

Fleet

still life

A fairly common 24-cell pseudo still life made up of two ship-ties.

Fleet synthesis

still life

A glider synthesis pattern for creating fleets, which are specific configurations in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Floodgate

oscillator
Period 2

Floodgate is a period-2 constellation consisting of four blinkers and four boats.

Floodgate predecessor

methuselah

A predecessor to the Floodgate pattern, which evolves into a larger structure in Conway's Game of Life.

Fly

spaceship
Period 3

The Fly is a tagalong for an orthogonal period 3 c/3 edge-repair spaceship. It was discovered by David Bell in April 1992.

Discoverer: David Bell
Year: 1992

Fly extension

spaceship
Period 3

The Fly extension is a pattern consisting of two flies attached to each other at the back of a c/3 spaceship.

Discoverer: Dean Hickerson and David Bell

Flying wing

still life

The Flying wing is a large and complex pattern in Conway's Game of Life. It is known for its intricate structure and is often studied for its aesthetic and dynamic properties.

Discoverer: knightlife

Fly on 60P3H1V0.3

spaceship
Period 3

A tagalong pattern known as the 'fly' that attaches to the back of the spaceship 60P3H1V0.3.

Discoverer: Dean Hickerson and David Bell

Fore and back

oscillator
Period 2

Fore and back is a period 2 oscillator that was discovered by Achim Flammenkamp in 1994. It is a relatively small and simple pattern.

Discoverer: Achim Flammenkamp
Year: 1994

Fore and back

oscillator
Period 8

Fore and back is a pattern synthesized from gliders. It is known for its unique interaction dynamics.

Discoverer: Mark D. Niemiec

forward LWSS rake p90

spaceship
Period 90

A c/3 period 90 forward MWSS rake that shoots a period 90 MWSS stream traveling ahead of the puffer. It uses a forward period 90 LWSS rake, converting each LWSS into MWSS using two period 90 sideways LWSS rakes.

Discoverer: David I. Bell
Year: 2002

Fountain

oscillator
Period 4

Fountain is a period 4 oscillator that was discovered by Dean Hickerson in November 1994. It features a symmetrical pattern that cycles every four generations.

Discoverer: Dean Hickerson
Year: 1994

four-primers

gun

Four versions of a Game of Life prime number sieve, including the original sieve by Dean Hickerson. It produces a stream of lightweight spaceships representing prime numbers.

Discoverer: Dean Hickerson
Year: 1991

Four eaters hassling four bookends

oscillator
Period 18

A period 18 oscillator involving four eaters interacting with four bookends. It was discovered by Jason Summers.

Discoverer: Jason Summers

Fourteener

still life

A still life pattern consisting of 14 cells.

Fourteener Synth

oscillator
Period 14

The Fourteener Synth is a glider synthesis pattern for creating the Fourteener, a known oscillator in Conway's Game of Life.

Discoverer: Dean Hickerson and David Buckingham

Fox

oscillator
Period 2

The Fox is the smallest asymmetric period 2 oscillator in Conway's Game of Life.

Discoverer: David Buckingham

Fox Synth

methuselah

A glider synthesis pattern for the 'fox' object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Fred

methuselah

Fred is the longest-lived known methuselah to fit within a 20x20 bounding box, with a settling time of 35426 generations.

Discoverer: Schneelocke
Year: 2010

French kiss

oscillator
Period 3

French kiss is a period 3 oscillator that was discovered in 1971. It is known for its distinctive shape and behavior.

Discoverer: Robert Wainwright
Year: 1971

French kiss synthesis

still life

The French kiss is a pattern in Conway's Game of Life that can be synthesized using gliders. It is known for its complex interaction and synthesis process.

Discoverer: AbhpzTa
Year: 2017

Frog II

oscillator
Period 3

Frog II is a period 3 oscillator that was discovered by David Buckingham in October 1972. It is known for its distinctive shape and periodicity.

Discoverer: David Buckingham
Year: 1972

Frothing puffer

spaceship
Period 2

A c/2 puffer with a seemingly unstable back end that nevertheless survives.

Discoverer: Paul Tooke
Year: 2001

Frothing puffer 2

spaceship
Period 270

A period 270 forward rake that uses period tripling of p90 input streams. It features a base c/3 spaceship cycling through three frothing periods.

Discoverer: David Bell
Year: 2002

Fumarole

oscillator
Period 5

Fumarole is a period 5 oscillator that was discovered by Dean Hickerson in 1989.

Discoverer: Dean Hickerson
Year: 1989

Fumarole

oscillator
Period 5

Fumarole is a small period-5 oscillator that was discovered in the early days of Conway's Game of Life. It consists of a simple arrangement of cells that oscillate between two phases.

Fumarole on 34P13

oscillator
Period 65

Fumarole on 34P13 is the smallest known non-trivial period 65 oscillator in Conway's Game of Life.

Discoverer: Nicolay Beluchenko

Fumarole on 43P18

oscillator
Period 90

Fumarole on 43P18 is the smallest known period-90 oscillator in Conway's Game of Life.

Fumarole on Achim's p11

oscillator
Period 55

A small non-trivial period 55 oscillator that combines a fumarole with Achim's p11 oscillator.

Fuse with tail and long tail

still life

A small still life pattern consisting of a fuse with an attached tail and a longer tail extension.

Gabriel's p138

oscillator
Period 138

Gabriel's p138 is a small period 138 oscillator discovered by Gabriel Nivasch. It is notable for its relatively small size compared to its period.

Discoverer: Gabriel Nivasch
Year: 2002

Gabriel's p138

oscillator
Period 138

Gabriel's p138 is an oscillator with a period of 138, synthesized from 12 gliders.

Discoverer: Jason Summers

Garden of Eden 1

still life

Garden of Eden 1 is the first explicitly constructed Garden of Eden pattern in Conway's Game of Life, meaning it has no predecessor. It was discovered by Roger Banks in 1971.

Discoverer: Roger Banks
Year: 1971

Garden of Eden 2

still life

A Garden of Eden pattern that was the smallest known at the time of its discovery in 1991. It is a configuration that cannot be the result of any previous generation.

Discoverer: Achim Flammenkamp
Year: 1991

Garden of Eden 3

still life

A Garden of Eden pattern, which is a configuration that cannot be the result of any previous generation in Conway's Game of Life. It was the smallest known Garden of Eden at the time of its discovery.

Discoverer: Achim Flammenkamp
Year: 2004

Garden of Eden 4

still life

A Garden of Eden pattern, which is a configuration that cannot be the result of any previous generation in Conway's Game of Life. It was the smallest known Garden of Eden until 2009.

Discoverer: Achim Flammenkamp
Year: 2004

Garden of Eden 5

still life

Garden of Eden 5 is a pattern in Conway's Game of Life that cannot be the result of any previous generation. It was the smallest-known Garden of Eden until surpassed by Garden of Eden 6 in 2011.

Discoverer: Nicolay Beluchenko

Garden of Eden

still life

A Garden of Eden is a pattern that cannot be the result of any previous generation in Conway's Game of Life. These patterns are rare and have specific configurations.

Discoverer: Nicolay Beluchenko
Year: 2009

Germ

oscillator
Period 3

Germ is a period 3 oscillator that was discovered by David Buckingham in September 1972. It is known for its compact and symmetrical structure.

Discoverer: David Buckingham
Year: 1972

Glasses

oscillator
Period 2

Glasses is a period 2 oscillator that resembles a pair of spectacles.

Glasses_synth

still life

Glasses_synth is a glider synthesis pattern for the 'glasses' still life. It demonstrates how gliders can be used to construct this specific still life configuration.

Discoverer: Mark D. Niemiec

glider-stream crystal

oscillator

A high-period oscillator created by David Dauthier, featuring a crystal formation on a glider stream. It can be used in high-period guns and supports adjustable crystal lengths.

Discoverer: David Dauthier

Glider

spaceship
Period 4

The Glider is the smallest, most common, and first discovered spaceship in Conway's Game of Life. It moves diagonally with a period of 4 and a speed of c/4.

Discoverer: Richard K. Guy

Glider synthesis

spaceship
Period 4

A glider synthesis pattern that demonstrates the creation of a glider using other gliders. It is a method of constructing a glider from a specific arrangement of other gliders.

Discoverer: Mark D. Niemiec

Glider duplicator 1

gun

A glider duplicator pattern composed of two Gosper glider guns that produces additional gliders.

Glider emulator

spaceship
Period 4

The Glider emulator is a period 4 tagalong for two large gliders, discovered by Gabriel Nivasch in 1999.

Discoverer: Gabriel Nivasch
Year: 1999

Glider loop

oscillator

A pattern in which two gliders are bounced back and forth along an ever-lengthening track.

Glider-producing switch engine

spaceship
Period 384

A common diagonal period 384 c/12 puffer made out of a single switch engine.

Discoverer: Charles Corderman

Glider-producing switch engine synthesis

spaceship

A glider synthesis pattern for creating a glider-producing switch engine, which is a type of spaceship.

Discoverer: Mark D. Niemiec

Glider-producing switch engine predecessor

methuselah

A simple predecessor of the diagonal period 384 c/12 glider-producing switch engine puffer.

Gliders by the dozen

methuselah

A methuselah pattern with a lifespan of 184 generations that emits exactly 12 gliders during its evolution.

Gliders by the Dozen Synthesis

methuselah

A glider synthesis pattern that produces multiple gliders, known as 'gliders by the dozen'.

Discoverer: Mark D. Niemiec

Glider symmetric PPS

spaceship
Period 30

A period 30 c/5 orthogonal spaceship where a pre-pulsar is pushed by two spiders, with an extra T-tetromino appearing between them.

Pre-pulsar spaceship

spaceship
Period 30

A period 30 orthogonal c/5 spaceship known for its glide symmetry.

Golly Ticker

gun

The Golly Ticker is a 'ticker tape gun' that displays a graphic logo using the phases of a period 8 oscillator known as Kok's Galaxy.

Gosper glider gun

gun

The Gosper glider gun is the first known gun in Conway's Game of Life, capable of producing an endless stream of gliders. It is a true period 30 pattern and was the first finite pattern discovered to exhibit unbounded growth.

Discoverer: Bill Gosper

Gosper glider gun synthesis

gun

A glider synthesis of the Gosper glider gun, which is the first known gun in Conway's Game of Life that produces gliders.

Gosper glider gun (glider destruction)

gun

A variation of the Gosper glider gun where the emitted gliders are destroyed. It is a modification of the original glider gun pattern.

Discoverer: Bill Gosper
Year: 1970

Gotts dots

methuselah

Gotts dots is a 41-cell pattern in Conway's Game of Life that exhibits growth like tln(t).

Discoverer: Bill Gosper

Gourmet

oscillator
Period 32

Gourmet is a period 32 oscillator in Conway's Game of Life, discovered by David Buckingham in March 1978.

Discoverer: David Buckingham
Year: 1978

Grandfather problem

methuselah

The Grandfather problem is a complex pattern in Conway's Game of Life that explores the behavior of certain initial configurations over time.

Discoverer: mtve

Gray counter

oscillator
Period 4

A period 4 oscillator that exhibits symmetrical behavior.

Gray counter synthesis

oscillator

A glider synthesis pattern for the Gray counter, which is a known oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Great on-off

oscillator
Period 2

A period 2 oscillator that alternates between two states.

Great on off_synth

oscillator

A glider synthesis pattern known as 'Great on off_synth', related to the creation of pincers.

Discoverer: Mark D. Niemiec

greyship c/3

spaceship
Period 3

The greyship c/3 is a spaceship pattern that moves diagonally at a speed of c/3. It was discovered by Hartmut Holzwart in 2005.

Discoverer: Hartmut Holzwart
Year: 2005

Griddle and beehive

oscillator
Period 2

A period 2 oscillator that combines a griddle with a beehive still life.

Griddle and Beehive Synthesis

still life

A synthesis pattern using 16 gliders to create a griddle and a beehive. It demonstrates the construction of these still life patterns from gliders.

Griddle and block

oscillator
Period 2

Griddle and block is a period 2 oscillator consisting of a griddle and a block still life. It is a simple combination of two well-known patterns.

Griddle and Block Synthesis

still life

A pattern consisting of a griddle and a block, synthesized using 14 gliders. It demonstrates the construction of these components from a minimal set of initial conditions.

Discoverer: Mark D. Niemiec

Griddle and blocks

oscillator
Period 14

Griddle and blocks is a pattern consisting of a griddle oscillator stabilized by blocks.

Griddle and boat

oscillator
Period 2

Griddle and boat is a period 2 oscillator that combines a griddle with a boat still life.

Griddle and Boat Synthesis

still life

A pattern consisting of a griddle and a boat, synthesized using 17 gliders.

Griddle and dock

oscillator
Period 4

Griddle and dock is a combination of two oscillators: a griddle and a dock. It is a small and simple pattern.

Griddle and table

oscillator
Period 2

Griddle and table is a pattern in Conway's Game of Life that consists of a griddle and a table, which are both oscillators.

Grin

still life

Grin is a small pattern that acts as a common parent of the block, a simple still life.

gun-p165mwss

gun
Period 165

A period 165 glider gun that produces middleweight spaceships (MWSS). It is based on a reaction involving three gliders, a MWSS, another glider, and a loaf of bread (LoM).

Discoverer: Dietrich Leithner
Year: 2002

Gunstar

gun
Period 144

The Gunstar is a four-barreled true period 144 glider gun. It was discovered by David Buckingham in 1990.

Discoverer: David Buckingham
Year: 1990

Gunstar 2

gun
Period 168

Gunstar 2 is a four-barrelled true period 168 glider gun, capable of producing gliders in Conway's Game of Life.

Discoverer: David Buckingham

Gunstar 216

gun
Period 216

Gunstar 216 is a true period 216 gun pattern in Conway's Game of Life, known for its complex and symmetrical structure.

Discoverer: David Buckingham

Hacksaw

methuselah

Hacksaw is an orthogonal sawtooth pattern with an expansion factor of 9. It was discovered by Dean Hickerson in 1992.

Discoverer: Dean Hickerson
Year: 1992

Halfmax

still life

Halfmax is a half spacefiller pattern in Conway's Game of Life. It was discovered by Jason Summers in 2005.

Discoverer: Jason Summers
Year: 2005

Halfmax v2

still life

Halfmax v2 is a half spacefiller pattern in Conway's Game of Life, discovered by Jason Summers in 2005.

Discoverer: Jason Summers
Year: 2005

Halfmax v3

still life

Halfmax v3 is a half spacefiller pattern in Conway's Game of Life, discovered by Hartmut Holzwart in 2005.

Discoverer: Hartmut Holzwart
Year: 2005

Hammerhead

spaceship
Period 4

The Hammerhead is an orthogonal period 4 c/2 spaceship known for its distinctive shape and multiple possible rear ends.

Harbor

oscillator
Period 5

Harbor is a period 5 oscillator that was discovered by David Buckingham in September 1978.

Discoverer: David Buckingham
Year: 1978

Harbor Synth

still life

A glider synthesis of the harbor pattern, which is a known still life in Conway's Game of Life.

Harvester

oscillator
Period 4

A diagonal period 4 lightspeed fuse that was the first published example of a fuse.

Discoverer: David Poyner

Hat

still life

A 9-cell still life pattern in Conway's Game of Life.

Hat Synth

still life

A glider synthesis pattern for creating hats, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Heart

oscillator
Period 5

The Heart is a period 5 oscillator in Conway's Game of Life.

Heavyweight emulator

oscillator
Period 4

A period 4 oscillator that produces sparks similar to those of the heavyweight spaceship.

Discoverer: Robert Wainwright

Heavyweight Emulator Synth

spaceship
Period 4

A glider synthesis pattern for creating the heavyweight emulator, a known spaceship pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Heavyweight volcano

oscillator
Period 5

A period 5 oscillator that emits a rather isolated domino spark.

Hebdarole

oscillator
Period 7

Hebdarole is a period 7 oscillator discovered by Noam Elkies in November 1997.

Discoverer: Noam Elkies
Year: 1997

Hectic

oscillator
Period 30

Hectic is a period 30 oscillator discovered by Robert Wainwright in 1984. It is known for its complex and dynamic behavior.

Discoverer: Robert Wainwright
Year: 1984

heisenblinker-30

oscillator
Period 30

The heisenblinker-30 is a period 30 oscillator that was discovered by Mike Playle. It features a complex interaction of components that stabilize into a repeating cycle.

Discoverer: Mike Playle
Year: 2006

Heisenburp-30

oscillator
Period 30

A period 30 oscillator that can detect the passage of a glider without affecting its path or timing, effectively 'photocopying' three gliders.

Discoverer: David Bell

Heisenburp-46

oscillator
Period 92

The Heisenburp-46 is a natural duplicator pattern in Conway's Game of Life, discovered by Brice Due. It is known for its ability to duplicate gliders.

Discoverer: Brice Due
Year: 2005

Heisenburp-46

oscillator
Period 46

A period 46 oscillator that detects and duplicates a stream of gliders without influencing it, even temporarily.

Discoverer: Jason Summers
Year: 1999

Heptapole

oscillator
Period 2

The Heptapole is a barberpole of length 7, functioning as a period 2 oscillator.

Heptapole Synth

oscillator
Period 2

A glider synthesis of the heptapole, an oscillator pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Herschel

methuselah

A heptomino shaped like the lowercase letter h, which occurs at generation 20 of the B-heptomino.

Herschel grandparent

methuselah

A predecessor pattern that evolves into a Herschel, which is a common intermediate pattern in many larger constructions.

Herschel parent

methuselah

A predecessor pattern that evolves into a Herschel, a common intermediate pattern in many reactions.

Herschel receiver

still life

A pattern that converts input gliders into a Herschel, facilitating signal processing in larger constructions.

Discoverer: Paul Callahan
Year: 1996

Herschel transmitter (stable)

still life

A stable pattern that acts as a Herschel transmitter, discovered in 1997.

Discoverer: Paul Callahan
Year: 1997

Hertz oscillator

oscillator
Period 8

A period 8 oscillator found by John Conway's group in 1970.

Discoverer: John Conway's group
Year: 1970

Hertz oscillator

oscillator

The Hertz oscillator is a pattern that can be synthesized using gliders. It is known for its periodic behavior.

Discoverer: Mark D. Niemiec

Hexapole

oscillator
Period 2

Hexapole is a period 2 oscillator, also known as a barberpole of length 6.

Hexapole Synth

oscillator
Period 2

Hexapole Synth is a glider synthesis of the hexapole pattern, which is a period 2 oscillator.

Discoverer: Mark D. Niemiec

Hexominoes

methuselah

Hexominoes are polyominoes consisting of six squares. In Conway's Game of Life, they can evolve into various patterns, including still lifes, oscillators, and spaceships.

High-bandwidth telegraph

gun

A lightspeed orthogonal signal transmitter that sends five bits every 960 ticks by adjusting the timing of subunits traveling through a beehive wire.

Discoverer: Louis-Francois Handfield
Year: 2017

highway robber

oscillator
Period 2381

The highway robber is a pattern that interacts with gliders or other spaceships, effectively 'robbing' them of their momentum. It uses a Herschel-to-blinker converter and a key eater catalyst.

Discoverer: Brice Due
Year: 2007

highway robber

oscillator
Period 1696

The highway robber is a complex pattern used to intercept and redirect gliders in Conway's Game of Life. It has a multi-stage recovery process, allowing it to be ready for another glider after a specific number of ticks.

Discoverer: Dave Greene
Year: 2007

Hive maker

oscillator
Period 4

A period 4 diagonal lightspeed fuse that creates beehives as it burns.

Hivenudger

spaceship
Period 4

Hivenudger is a period 4 c/2 orthogonal spaceship in Conway's Game of Life.

Discoverer: Hartmut Holzwart

Hivenudger 2

spaceship
Period 8

An orthogonal period 8 c/2 line puffer that leaves a trail of blinkers behind it.

Hivenudger_synth

spaceship

A glider synthesis pattern for creating a hivenudger, a type of spaceship in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Hive test tube baby

still life

Hive test tube baby is a still life pattern that resembles a hive shape connected to a smaller structure, resembling a test tube baby.

Honey Farm Hasslers

oscillator

Honey Farm Hasslers are a collection of oscillators that involve perturbations of a honey farm pattern, causing it to reappear in the same location. These patterns are engineered to demonstrate the versatility of honey farms in creating oscillators.

Discoverer: Matthias Merzenich
Year: 2018

Honeybit

oscillator
Period 3

Honeybit is a small oscillator pattern in Conway's Game of Life.

Discoverer: Brice Due

Honeycomb

still life

A symmetric 12-cell still life pattern in Conway's Game of Life.

Honeycomb Synth

still life

The Honeycomb Synth is a glider synthesis pattern that creates the honeycomb still life, also known as the superbeehive.

Discoverer: Mark D. Niemiec

Honey farm

still life

A common 24-cell still life that is made up of four beehives.

Honey Farm Synth

still life

A glider synthesis pattern for creating honey farms, which are a type of still life pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Honey thieves

oscillator
Period 17

Honey thieves is the smallest known period 17 oscillator in terms of population as of December 2014.

Discoverer: Matthias Merzenich
Year: 2014

Honeythieves_synth

spaceship

A glider synthesis of the Honey thieves pattern, which is a known spaceship in Conway's Game of Life.

Discoverer: Mark Niemiec

Honey thieves with test tube baby

oscillator
Period 34

A trivial period-34 oscillator where all rotor cells oscillate at either period-2 or period-17.

Hook

still life

Hook is a small still life pattern consisting of six cells arranged in a hook-like shape.

Hooks

oscillator
Period 5

Hooks is a period 5 oscillator in Conway's Game of Life.

Hook test tube baby

still life

Hook test tube baby is a still life pattern in Conway's Game of Life, characterized by its distinctive hook-like shape.

Hook with tail

still life

An 8-cell still life pattern that resembles a hook with an extended tail.

Hook with tail

still life

Hook with tail is a still life pattern that can be synthesized using gliders. It is a common pattern in Conway's Game of Life.

House

still life

House is a small induction coil pattern in Conway's Game of Life.

House Synth

still life

The House Synth is a glider synthesis pattern for creating the 'house' still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

House on house siamese table-on-table weld hat-siamese-hat

still life

A 34-bit still life pattern composed of multiple smaller still life components welded together.

Hungry hat

still life

Hungry hat is a small still life pattern in Conway's Game of Life.

Hungry Hat Synthesis

still life

A glider synthesis pattern for creating the hungry hat still life.

Hustler

oscillator
Period 3

A period 3 oscillator that was discovered in June 1971.

Discoverer: Robert Wainwright
Year: 1971

Hustler Synth

oscillator

A glider synthesis pattern for creating the 'Hustler' oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Hustler II

oscillator
Period 4

Hustler II is a period 4 oscillator in Conway's Game of Life.

Hustler II

oscillator

Hustler II is a pattern in Conway's Game of Life that can be synthesized using gliders. It is a variation of the original Hustler pattern.

Discoverer: Mark D. Niemiec

Heavyweight spaceship

spaceship
Period 4

A very well-known period 4 c/2 orthogonal spaceship.

Discoverer: John Conway

Heavyweight spaceship synthesis

spaceship
Period 4

A glider synthesis pattern that constructs a heavyweight spaceship using gliders.

Discoverer: Mark D. Niemiec

HWSS blinker fuse

oscillator
Period 8

A c/2 orthogonal period 8 blinker fuse that interacts with a heavyweight spaceship (HWSS).

HWSS Glider Collision Sample

spaceship
Period 4

This pattern demonstrates interactions between a Heavyweight Spaceship (HWSS) and a glider, showcasing various collision outcomes including glider deletion and Heisenburp reactions.

Infinite glider hotel

spaceship

A pattern where two pairs of Corderships recede, allowing an increasing number of gliders to bounce between them.

Discoverer: David Bell
Year: 1992

Infinite glider hotel 2

gun

A more compact version of the infinite glider hotel, designed to produce an endless stream of gliders.

Discoverer: David Bell
Year: 2001

Infinite glider hotel 3

still life

The Infinite glider hotel 3 is a compact pattern that can accommodate an infinite number of gliders. It was created by David Bell in May 2001.

Discoverer: David Bell
Year: 2001

Infinite glider hotel 4

gun

A compact infinite glider hotel pattern that continuously emits gliders. It is based on prior work by David Bell and was created by Ivan Fomichev.

Discoverer: Ivan Fomichev
Year: 2015

Infinite LWSS hotel

spaceship

The Infinite LWSS hotel is a pattern that can accommodate an infinite number of lightweight spaceships (LWSS) in a linear arrangement. It is similar in concept to the infinite glider hotel but specifically designed for LWSS.

Discoverer: Jason Summers

Infinite Glider Hotel

still life

The Infinite Glider Hotel is a large pattern that can accommodate an infinite number of gliders. It was discovered by David Bell and is part of Alan Hensel's 'lifebc' pattern collection.

Discoverer: David Bell
Year: 1992

Infinite Glider Hotel

spaceship
Period 128

A pattern where two pairs of double Corderships pull apart, creating an ever-lengthening glider track. Gliders are periodically injected into this track.

infinite glider hotel

gun
Period 128

The infinite glider hotel is a complex pattern that periodically injects gliders into an expanding loop. It demonstrates the ability to accommodate an infinite number of gliders over time.

Discoverer: David Bell
Year: 2001

Infinite LWSS Hotel

oscillator
Period 250

This pattern generates a new lightweight spaceship (LWSS) every 250 generations, with existing LWSSs reentering the stream at a specific interval. It is a complex oscillator that demonstrates continuous spaceship production.

Discoverer: Jason Summers
Year: 2002

Inflected 30-great sym

still life

The most common naturally-occurring 32-bit still life in Conway's Game of Life.

Inline inverter

gun

A reaction involving the Gosper glider gun that can invert the presence or absence of a glider in a period 30 glider stream.

Integral sign

still life

A 9-cell still life pattern resembling the integral sign.

Integral sign synth

still life

A glider synthesis pattern for creating integral sign shapes in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Integral with hook

still life

A 10-cell still life pattern in Conway's Game of Life, known for its stability.

Integral with hook

still life

Integral with hook is a still life pattern in Conway's Game of Life. It is a common pattern that can be synthesized using gliders.

Discoverer: Mark D. Niemiec

Integral with long hook

still life

Integral with long hook is a still life pattern in Conway's Game of Life, characterized by its unique shape resembling an integral sign with an extended hook.

Integral with tub

still life

A 10-cell still life pattern consisting of an integral sign shape with an attached tub.

Integral with tub

still life

Integral with tub is a still life pattern that can be synthesized using gliders. It consists of an integral sign shape attached to a tub.

Discoverer: Mark D. Niemiec

Integral with tub and hook

still life

Integral with tub and hook is a still life pattern that consists of an integral sign shape with an attached tub and hook.

Integral with two tubs

still life

Integral with two tubs is a still life pattern consisting of an integral sign shape with two tub components attached.

Interchange

oscillator
Period 2

A common period 2 oscillator made up of six blinkers.

Interchange Synth

methuselah

A glider synthesis pattern for interchanges, created by Mark D. Niemiec. It demonstrates the construction of interchanges using gliders.

Discoverer: Mark D. Niemiec

Iwona

methuselah

Iwona is a methuselah pattern with a lifespan of 28,786 generations before stabilizing. It was discovered by Andrew Okrasinski.

Discoverer: Andrew Okrasinski
Year: 2004

Jack

oscillator
Period 4

Jack is a period 4 oscillator that was discovered in April 1984.

Discoverer: Robert Wainwright
Year: 1984

Jack Synth

methuselah

The Jack Synth is a glider synthesis pattern for creating the 'jack' object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Jagged Lines

methuselah

Jagged Lines is a pattern formed by the drifting collision of two LWSS streams, resulting in a jagged line of block pairs. Its long-term behavior is uncertain.

Discoverer: Dean Hickerson
Year: 2005

Jam

oscillator
Period 3

Jam is a period 3 oscillator in Conway's Game of Life.

Discoverer: Achim Flammenkamp

Jam_synth

still life

Jam_synth is a glider synthesis pattern for the 'jam' still life. It demonstrates how gliders can be used to construct the jam pattern.

Discoverer: Mark D. Niemiec

Jam on 34P13.1

oscillator
Period 39

Jam on 34P13.1 is the smallest known period 39 oscillator as of April 2009. It is considered trivial because no individual cell oscillates at the full period.

Jam on 44P7.2

oscillator
Period 21

The smallest known non-trivial period 21 oscillator, featuring a single cell that oscillates at the full period.

Jason's p11

oscillator
Period 11

Jason's p11 is a period 11 oscillator in Conway's Game of Life. It is known for its relatively small size and unique oscillation period.

Jason's p6

oscillator
Period 6

Jason's p6 is a period 6 oscillator discovered by Jason Summers. It is known for its compact and symmetrical structure.

Discoverer: Jason Summers

Jaws

gun

Jaws is a large breeder pattern that was discovered by Nick Gotts in 1997. It is known for its ability to produce an ever-growing number of gliders.

Discoverer: Nick Gotts
Year: 1997

Jaydot

oscillator
Period 3

Jaydot is a small oscillator that was discovered by Kazyan. It has a period of 3.

Discoverer: Kazyan

Jolson

oscillator
Period 15

A period 15 oscillator consisting of two blocks hassled by two pentadecathlons.

Discoverer: Robert Wainwright
Year: 1984

Jolson_synth

methuselah

Jolson_synth is a glider synthesis pattern created by Mark D. Niemiec. It is used to construct other patterns in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Jolson

oscillator
Period 9

A period 9 modification of the Jolson oscillator, known for its unique oscillating behavior.

Jason's p36

oscillator
Period 36

Jason's p36 is an oscillator with a period of 36, discovered by Jason Summers. It is known for its complex and symmetric structure.

Discoverer: Jason Summers

Justyna

methuselah

Justyna is a methuselah pattern with a lifespan of 26,458 generations. It was discovered by Andrzej Okrasinski in May 2004.

Discoverer: Andrzej Okrasinski
Year: 2004

Karel's p15

oscillator
Period 15

A period 15 oscillator discovered by Karel Suhajda. It features a symmetrical pattern that repeats every 15 generations.

Discoverer: Karel Suhajda
Year: 2002

Karel's p15

oscillator
Period 15

Karel's p15 is an oscillator with a period of 15, synthesized using 18 gliders.

Discoverer: Mark D. Niemiec

Kickback reaction

reaction

The Kickback reaction is a reaction in Conway's Game of Life where a glider is reflected back in the opposite direction.

Killer candlefrobras

oscillator
Period 3

A period 3 oscillator made up of two candlefrobras that act in some ways like killer toads.

Discoverer: Robert Wainwright

Killer candlefrobras eating a HWSS

oscillator
Period 3

A pattern featuring killer candlefrobras, a period 3 oscillator, interacting with a high-weight spaceship (HWSS).

Discoverer: Robert Wainwright

Killer toads

oscillator
Period 2

A period 2 oscillator made up of a pair of toads acting together so that they can eat things.

Knightwave

oscillator

Knightwave is a large and complex oscillator pattern in Conway's Game of Life.

Discoverer: Kiho Park

Kok's galaxy

oscillator
Period 8

Kok's galaxy is a period 8 oscillator that was discovered in 1971. It is known for its symmetrical and compact structure.

Discoverer: Jan Kok
Year: 1971

Kok's galaxy synthesis

oscillator
Period 8

A synthesis pattern for Kok's galaxy, an oscillator pattern in Conway's Game of Life. This pattern demonstrates a method to construct Kok's galaxy using a series of glider collisions.

Lake 2

still life

Lake 2 is a 24-cell still life pattern in Conway's Game of Life.

Lake 2

still life

Lake 2 is a still life pattern that can be synthesized with 10 gliders.

Laputa

oscillator
Period 2

Laputa is a period 2 oscillator that was discovered by Rich Schroeppel in September 1992.

Discoverer: Rich Schroeppel
Year: 1992

Lidka-predecessor

methuselah

A methuselah pattern that evolves into the Lidka pattern after 29055 generations, starting with an initial population of 13.

Discoverer: David Bell
Year: 2005

Lidka

methuselah

Lidka is a methuselah pattern with a lifespan of 29,055 generations before stabilizing.

Discoverer: Andrzej Okrasinski and David Bell

life-integer-constructions

still life

A collection of small objects generated from integers written in a five-cell-high font, including numeric predecessors of various still-lifes, oscillators, and spaceships.

Light bulb

oscillator
Period 2

A period 2 oscillator that was found in 1971.

Year: 1971

Light bulb

still life

The Light bulb is a pattern in Conway's Game of Life that can be synthesized using gliders. It is a still life pattern.

lightspeed communication mechanism

gun

A mechanism designed for lightspeed communication using closely spaced gliders. It requires many edge-shooting glider guns and forms a diamond shape.

Discoverer: Jason Summers
Year: 1999

Light speed oscillator 1

oscillator
Period 5

A period 5 extensible oscillator discovered by Josh Ball.

Discoverer: Josh Ball

Light speed oscillator 2

oscillator
Period 5

A period 5 extensible oscillator discovered by Josh Ball.

Discoverer: Josh Ball

Light speed oscillator 3

oscillator
Period 5

A period 5 extensible oscillator discovered by Josh Ball. It is known for its ability to oscillate at the speed of light.

Discoverer: Josh Ball

Lightweight emulator

oscillator
Period 4

A period 4 oscillator that produces sparks similar to that of the lightweight spaceship.

Discoverer: Robert Wainwright

line-puffer-superstable

spaceship

A superstable line puffer of width 76 that generates chaos by pulling a solid line forward at speed c/2. It can be widened indefinitely, increasing chaos without affecting stability.

line puffer (unstable)

spaceship

A line puffer pattern that eventually becomes unstable due to asymmetric debris destroying its engine after approximately 9.5 million generations.

Discoverer: Tim Coe
Year: 1995

Line-puffer

spaceship
Period 2

A c/2 orthogonal line-puffer of width 76 that creates a trail of debris as it moves.

Discoverer: Tim Coe

Lineship 1

spaceship
Period 96

Lineship 1 is a diagonal spaceship pattern with a period of 96 and moves at a speed of c/12. It is an optimized version of an original pattern by Jason Summers.

Discoverer: David Bell
Year: 2005

Lineship 2

spaceship
Period 768

Lineship 2 is a diagonal spaceship pattern that moves at a speed of c/12. It is a modification of David Bell's original lineship with a revised tail section.

Discoverer: Dave Greene
Year: 2005

lineship3

spaceship
Period 12

Lineship3 is a diagonal c/12 spaceship pattern constructed using a segmented approach.

Discoverer: David Bell
Year: 2005

lineship4

spaceship
Period 6144

Lineship4 is an adjustable-period spaceship pattern based on Corderships, capable of moving at a speed of c/12. It can be modified to change its period by adjusting the position of its components.

Discoverer: Nicolay Beluchenko
Year: 2005

Loading dock

oscillator
Period 3

A period 3 oscillator that was discovered by David Buckingham in September 1972.

Discoverer: David Buckingham
Year: 1972

Loaf

still life

A very common 7-cell still life pattern in Conway's Game of Life. It resembles a loaf of bread and is stable, meaning it does not change over time.

Loaf synth

still life

A glider synthesis pattern that constructs a loaf, a common still life pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

loafer-gun-p210

gun
Period 210

The loafer-gun-p210 is a gun pattern that periodically emits loafer spaceships with a period of 210. It was discovered by Shannon Omick in 2013.

Discoverer: Shannon Omick
Year: 2013

Loafer

spaceship
Period 7

Loafer is a small c/7 orthogonal spaceship, notable for being one of the smallest known spaceships with this speed.

Discoverer: Josh Ball
Year: 2013

Loafer

spaceship
Period 7

The Loafer is a small spaceship that travels diagonally and was the first new spaceship to be discovered in Conway's Game of Life in over 40 years.

Discoverer: Josh Ball
Year: 2013

Loaflipflop

oscillator
Period 8

Loaflipflop is an oscillator pattern in Conway's Game of Life that features a symmetrical design. It was discovered by Robert Wainwright.

Discoverer: Robert Wainwright

Loaf siamese barge

still life

A 10-cell still life pattern formed by the fusion of a loaf and a barge.

Loaf siamese barge

still life

A still life pattern consisting of a loaf and a barge connected together. It can be synthesized using gliders.

Discoverer: Mark D. Niemiec

Loaf siamese loaf

still life

Loaf siamese loaf is a still life pattern consisting of two loaf shapes connected at one cell. It is a stable configuration that does not change over time.

Loaf siamese loaf

still life

A still life pattern consisting of two loaves connected at one cell, synthesized using gliders.

Discoverer: Mark D. Niemiec

Loaf test tube baby

still life

Loaf test tube baby is a still life pattern in Conway's Game of Life, featuring a loaf attached to a test tube-like structure.

Loaf tie eater-with-tail

still life

A common 18-bit still life pattern that combines a loaf, a tie, and an eater with a tail.

Loaf tractor beam

oscillator

A tractor beam pattern that pulls a loaf in Conway's Game of Life.

logarithmic growth corder

spaceship

A Cordership-based pattern whose population grows logarithmically over time.

Discoverer: David Bell
Year: 2004

Log(t)^2 growth

methuselah

A pattern that experiences infinite growth at a rate of O(log(t)^2).

Discoverer: Dean Hickerson
Year: 1992

Long barge

still life

The Long barge is an 8-cell still life pattern in Conway's Game of Life.

Long barge synthesis

still life

A glider synthesis pattern that constructs long barges using gliders. It demonstrates the ability to create complex still lifes from simple initial conditions.

Discoverer: Mark D. Niemiec

Long boat

still life

A 7-cell still life pattern that resembles an elongated boat shape.

Long boat synthesis

still life

A glider synthesis pattern that constructs long boats, a type of still life, using gliders.

Discoverer: Mark D. Niemiec

Long Canada goose

spaceship
Period 4

A variation of the Canada goose pattern with a longer front end.

Discoverer: Gabriel Nivasch

Long canoe

still life

A 9-cell still life pattern in Conway's Game of Life.

Long canoe

still life

The Long canoe is a still life pattern that can be synthesized using gliders. It is an extension of the canoe still life.

Discoverer: Mark D. Niemiec

Long cis-hook with tail

still life

An 11-bit still life pattern in Conway's Game of Life.

Long cis-shillelagh

still life

The Long cis-shillelagh is an 11-bit still life pattern in Conway's Game of Life.

Long claw with tail

still life

An 11-bit still life pattern in Conway's Game of Life.

Long fuse with two tails

still life

An 11-bit still life pattern in Conway's Game of Life.

Long hook

still life

An induction coil that is a longer version of a bookend, also known as a hook.

Longhook and dock

still life

Longhook and dock is a still life pattern composed of a long hook and a dock.

Long hook with tail

still life

A 9-cell still life pattern that remains static over generations.

Long hook with tail

still life

The long hook with tail is a still life pattern in Conway's Game of Life. It is composed of a hook shape with an additional tail extension.

Discoverer: Mark D. Niemiec

Longhorn

still life

Longhorn is a 19-bit still life pattern in Conway's Game of Life.

Long integral

still life

A 10-cell still life pattern that resembles a long integral sign.

Long integral_synth

still life

A glider synthesis of the long integral pattern, which is a variation of the integral sign still life.

Discoverer: Mark D. Niemiec

Long long barge

still life

A 10-cell still life pattern in Conway's Game of Life.

Long long barge

still life

The Long long barge is a still life pattern that can be synthesized using gliders.

Discoverer: Mark D. Niemiec

Long long boat

still life

A 9-cell still life pattern in Conway's Game of Life.

Long Long Boat Synthesis

still life

A glider synthesis pattern that creates long long boats, a variation of the boat still life.

Discoverer: Mark D. Niemiec

long long canoe

still life

The long long canoe is a 10-cell still life pattern in Conway's Game of Life.

Long long canoe synthesis

still life

A glider synthesis pattern for creating long long canoes, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Long long hook with tail

still life

A 10-cell still life pattern in Conway's Game of Life.

long long hook with tail

still life

The long long hook with tail is a still life pattern in Conway's Game of Life. It is a larger variant of the hook with tail pattern.

Discoverer: Mark D. Niemiec

Long long shillelagh

still life

A 10-cell still life that is the long long version of the shillelagh.

Long long shillelagh_synth

still life

A glider synthesis of the 'long long shillelagh' still life pattern.

Discoverer: Mark D. Niemiec

Long long ship

still life

A 10-cell still life pattern in Conway's Game of Life.

Long long ship

spaceship

The Long long ship is a spaceship pattern in Conway's Game of Life, synthesized using gliders.

Long long snake

still life

The Long long snake is an 8-cell still life pattern in Conway's Game of Life.

Long long snake

still life

The Long long snake is a still life pattern that can be synthesized using gliders. It is a variation of the snake pattern, extended to a longer form.

Discoverer: Mark D. Niemiec

Long prodigal

spaceship
Period 5

The Long prodigal is a spaceship pattern in Conway's Game of Life.

Long shillelagh

still life

A 9-cell still life that is the long version of the shillelagh.

Long shillelagh synthesis

still life

A glider synthesis pattern for creating the long shillelagh still life.

Discoverer: Mark D. Niemiec

Long ship

still life

The Long ship is an 8-cell still life pattern in Conway's Game of Life.

Long ship synthesis

still life

A glider synthesis pattern for creating a long ship still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Long snake

still life

A 7-cell still life pattern that resembles an elongated snake.

Long snake synthesis

still life

A glider synthesis pattern for creating long snakes, a type of still life, using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Loop

still life

A 10-cell still life pattern in Conway's Game of Life.

Loop_synth

still life

A glider synthesis pattern for creating a loop structure in Conway's Game of Life.

Discoverer: Mark D. Niemiec

low-period

oscillator

A collection of low-period oscillators, typically with periods ranging from 2 to 6, found using cell-by-cell search algorithms.

Lightweight spaceship

spaceship
Period 4

A very well-known period 4 c/2 orthogonal spaceship.

Discoverer: John Conway

Lightweight spaceship synthesis

spaceship
Period 4

A glider synthesis pattern that constructs lightweight spaceships using a specific sequence of gliders.

Discoverer: Mark D. Niemiec

LWSS on HWSS

spaceship
Period 4

LWSS on HWSS is a spaceship pattern where a lightweight spaceship (LWSS) is stacked on top of a heavyweight spaceship (HWSS).

LWSS on MWSS

spaceship
Period 4

LWSS on MWSS is a combination of two spaceships, the Lightweight Spaceship (LWSS) and the Middleweight Spaceship (MWSS), interacting in a specific configuration.

LWSS tagalong

spaceship
Period 4

A tagalong pattern for two lightweight, middleweight, or heavyweight spaceships, discovered by David Bell.

Discoverer: David Bell

make-harbor

oscillator
Period 5

Make-harbor is a synthesis pattern that constructs a period 5 oscillator using 34 gliders.

Discoverer: Jason Summers
Year: 2004

make-osc-p3

oscillator
Period 3

A collection of glider syntheses for various period-3 oscillators, compiled by Jason Summers and others.

Discoverer: Jason Summers
Year: 2004

make-osc-p4

oscillator
Period 4

A collection of glider syntheses for period 4 oscillators, contributed by various Life enthusiasts.

make-osc-p5-plus

oscillator

A collection of oscillators with various periods, including notable patterns like the fumarole and Coe's p8.

Discoverer: Jason Summers

Achim's p11

oscillator
Period 11

Achim's p11 is an oscillator with a period of 11, synthesized from 96 gliders. It is known for its relatively large size and complexity.

Discoverer: Achim Flammenkamp
Year: 2000

make-p18

oscillator
Period 18

The make-p18 is an oscillator pattern with a period of 18. It was synthesized using gliders and is part of Jason Summers' 'jslife' archive.

Discoverer: Mark Niemiec
Year: 2002

p33 oscillator

oscillator
Period 33

The p33 oscillator is a periodic pattern with a period of 33 generations. It was synthesized from 68 gliders.

Discoverer: Jason Summers and Mark Niemiec
Year: 2001

Mangled 1 beacon

oscillator
Period 2

Mangled 1 beacon is a variation of the beacon oscillator, with a slightly altered structure. It retains the periodic behavior of the original beacon.

Mango

still life

A common 8-cell still life pattern in Conway's Game of Life.

Mango Synth

still life

A glider synthesis pattern that constructs mangos, a type of still life, using gliders.

Discoverer: Mark D. Niemiec

Mango test tube baby

still life

Mango test tube baby is a still life pattern in Conway's Game of Life, characterized by its unique shape resembling a mango in a test tube.

Mathematician

oscillator
Period 5

A period 5 oscillator discovered by David Buckingham in 1972.

Discoverer: David Buckingham
Year: 1972

Max

still life

Max is a spacefiller pattern that fills space with zebra stripes, demonstrating complex behavior in Conway's Game of Life.

Discoverer: Tim Coe

Maximum volatility gun

gun
Period 177

A true-period p177 gun with a volatility of 1, discovered by Jason Summers.

Discoverer: Jason Summers
Year: 2009

Mazing

oscillator
Period 4

Mazing is a period 4 oscillator known for its intricate and maze-like appearance.

Discoverer: David Buckingham

Mazing Synth

methuselah

A glider synthesis pattern for the 'mazing' object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Mersenne prime calculator

methuselah

A complex pattern designed to compute Mersenne primes, inspired by Jason Summers' Fermat Prime calculator.

Discoverer: Nathaniel Johnston

Merzenich p18

oscillator
Period 18

The Merzenich p18 is the first known period 18 billiard-table oscillator, discovered in 2011.

Discoverer: Matthias Merzenich
Year: 2011

Merzenich's p64

oscillator
Period 64

The smallest known period-64 oscillator in Conway's Game of Life.

Discoverer: Matthias Merzenich

Metacatacryst

methuselah

A pattern that starts with just 52 cells but grows quadratically, discovered by Nick Gotts.

Discoverer: Nick Gotts

Mickey Mouse

still life

Mickey Mouse is a 26-cell still life pattern that resembles the iconic silhouette of Mickey Mouse's head and ears.

Discoverer: Mark Niemiec

Middleweight emulator

oscillator
Period 4

A period 4 oscillator that produces sparks similar to those of the middleweight spaceship.

Discoverer: Robert Wainwright

Middleweight Emulator Synth

spaceship
Period 4

A glider synthesis pattern for creating a middleweight emulator, which is a type of spaceship in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Middleweight volcano

oscillator
Period 5

A period 5 oscillator that produces sparks similar to a middleweight spaceship.

Discoverer: Dean Hickerson
Year: 1992

Mini pressure cooker

oscillator
Period 3

A period 3 oscillator that was discovered by Robert Wainwright no later than June 1972.

Discoverer: Robert Wainwright
Year: 1972

Mini pressure cooker

oscillator

The Mini pressure cooker is a pattern synthesized from 27 gliders. It is a smaller version of the pressure cooker pattern.

Mirage

methuselah

Mirage is a pattern that quickly creates and destroys a Gosper glider gun, demonstrating transient behavior in Conway's Game of Life.

Mirrored dock

still life

A 20-cell still life composed of two docks facing each other.

Mirrored Dock Synth

still life

A glider synthesis pattern for mirrored docks, created by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Merzenich's P11

oscillator
Period 11

Period 11 oscillator with two diagonal lines of symmetry, discovered by Matthias Merzenich in December 2010.

Discoverer: Matthias Merzenich
Year: 2010

Mold

oscillator
Period 4

Mold is the smallest known period 4 oscillator in Conway's Game of Life.

Discoverer: Achim Flammenkamp

Mold synthesis

still life

A glider synthesis of the mold pattern, which is a known still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Mold and long hook eating tub

oscillator
Period 12

The smallest known period 12 oscillator, composed of a period 3 and a period 4 oscillator.

Mold and Long Hook Eating Tub Synthesis

still life

A synthesis pattern involving a mold and a long hook eating a tub, created using 20 gliders.

mold on 36P22

oscillator
Period 44

A non-trivial period 44 oscillator that combines the mold and 36P22 patterns.

Discoverer: Jason Summers

mold on 36P22

oscillator
Period 22

A pattern consisting of a mold combined with the 36P22 oscillator. It can be synthesized with 16 gliders.

Mold on 41P7.2

oscillator
Period 28

Mold on 41P7.2 is the smallest known non-trivial period 28 oscillator in Conway's Game of Life.

Mold on 48P31

oscillator
Period 124

Mold on 48P31 is the smallest known period-124 oscillator in Conway's Game of Life. It combines the mold pattern with the 48P31 oscillator.

Mold on fumarole

oscillator
Period 20

The smallest known period 20 oscillator, notable for a single cell that oscillates at period 20.

Mold on Fumarole Synthesis

oscillator
Period 5

A 12-glider synthesis of the mold on fumarole pattern, which is a combination of a mold and a fumarole.

Mold on pentadecathlon

oscillator
Period 60

Mold on pentadecathlon is a small non-trivial oscillator with a period of 60. It combines a pentadecathlon with a mold, creating a complex interaction.

Mold on Pentadecathlon Synthesis

oscillator
Period 15

An 8-glider synthesis of the mold pattern interacting with a pentadecathlon. The pattern is a combination of a still life and an oscillator.

Mold on rattlesnake

oscillator
Period 44

Mold on rattlesnake is the smallest known period-44 oscillator in Conway's Game of Life.

Monoclaw test tube baby

still life

Monoclaw test tube baby is a pattern in Conway's Game of Life. It is a still life pattern, meaning it does not change over time.

Monogram

oscillator
Period 4

Monogram is a period 4 oscillator that was discovered by Dean Hickerson in August 1989. It is known for its symmetrical structure.

Discoverer: Dean Hickerson
Year: 1989

Monogram Synth

methuselah

A glider synthesis pattern created by Mark D. Niemiec, known for its construction of a monogram shape using gliders.

Discoverer: Mark D. Niemiec

Montana

oscillator
Period 5

Montana is a period 5 oscillator discovered by Scot Ellison in June 2011.

Discoverer: Scot Ellison
Year: 2011

Moose antlers

still life

A simple 15-cell still life pattern in Conway's Game of Life.

Moose antlers synthesis

still life

A glider synthesis pattern for creating the 'Moose antlers' still life using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Mosquito 1

methuselah

Mosquito 1 is a 103-cell quadratic growth pattern in Conway's Game of Life.

Discoverer: Nick Gotts
Year: 1998

Mosquito 1b

methuselah

Mosquito 1b is a 97-cell quadratic growth pattern in Conway's Game of Life. It was discovered by Stephen Silver and is known for its complex behavior and growth properties.

Discoverer: Stephen Silver
Year: 1998

Mosquito 2

methuselah

Mosquito 2 is an 85-cell quadratic growth pattern in Conway's Game of Life.

Discoverer: Nick Gotts

Mosquito 3

methuselah

Mosquito 3 is a 75-cell quadratic growth pattern in Conway's Game of Life.

Discoverer: Nick Gotts

Mosquito 4

methuselah

A 73-cell quadratic growth pattern in Conway's Game of Life.

Discoverer: Stephen Silver

Mosquito 5

methuselah

A 71-cell pattern that exhibits quadratic growth.

Discoverer: Nick Gotts

Moving sawtooth

spaceship

The Moving sawtooth is a pattern that exhibits a sawtooth growth pattern while moving across the grid. It was discovered by David Bell.

Discoverer: David Bell
Year: 2005

Multum in parvo

methuselah

A methuselah pattern with a lifespan of 3933 generations, known for its compact initial configuration.

Discoverer: Charles Corderman

Muttering Moat 1

oscillator
Period 2

Muttering Moat 1 is a period 2 oscillator that features a muttering moat, a structure that oscillates between two phases.

Discoverer: Dean Hickerson
Year: 1993

Muttering Moat 1 Synthesis

oscillator

A glider synthesis of the muttering moat 1 pattern, which is a known oscillator in Conway's Game of Life.

Middleweight spaceship

spaceship
Period 4

A very well-known period 4 c/2 orthogonal spaceship.

Discoverer: John Conway

Middleweight spaceship synthesis

spaceship
Period 4

A glider synthesis pattern that constructs a middleweight spaceship using gliders.

Discoverer: Mark D. Niemiec

natural LWSS

methuselah

A methuselah pattern that evolves to emit a lightweight spaceship (LWSS) after 13811 generations.

Discoverer: Tomas G. Rokicki
Year: 2005

Negentropy

oscillator
Period 2

Negentropy is a period 2 oscillator that closely resembles the Hertz oscillator.

New five

oscillator
Period 3

New five is a period 3 oscillator discovered by Dean Hickerson in January 1990.

Discoverer: Dean Hickerson
Year: 1990

New gun 1

gun
Period 46

A true period 46 gun, it was the second known basic gun discovered in Conway's Game of Life.

Discoverer: Bill Gosper

New gun 2

gun

A true period 144 glider gun that consists of a block factory whose output is converted into gliders by a period 72 oscillator.

Discoverer: Bill Gosper

Newshuttle

oscillator
Period 28

Newshuttle is the first period 28 oscillator discovered in Conway's Game of Life.

Discoverer: David Buckingham

Nine

oscillator
Period 2

Nine is a small oscillator pattern in Conway's Game of Life.

Noah's Ark

spaceship
Period 1344

A diagonal period 1344 c/12 puffer made up of two switch engines.

Discoverer: Charles Corderman
Year: 1971

Noah's Ark Synthesis

still life

A glider synthesis of the Noah's Ark pattern, which is a specific configuration in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Nonapole

oscillator
Period 9

Nonapole is an oscillator pattern in Conway's Game of Life that exhibits a symmetrical structure.

Non-monotonic spaceship 1

spaceship
Period 4

An orthogonal period 4 c/4 spaceship, notable for being the first non-monotonic spaceship discovered.

Discoverer: Hartmut Holzwart

Octagon 2

oscillator
Period 5

Octagon 2 is the first known period 5 oscillator in Conway's Game of Life.

Discoverer: Sol Goodman and Arthur Taber

Octagon 2 synthesis

oscillator
Period 5

A glider synthesis of the Octagon 2 pattern, which is an oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Octagon 2 on 36P22

oscillator
Period 110

A small non-trivial period 110 oscillator that combines the Octagon 2 and 36P22 patterns.

Octagon 4

oscillator
Period 4

Octagon 4 is a period-4 oscillator that features a symmetrical octagonal shape.

Discoverer: Robert Wainwright

Octagon 4

oscillator
Period 4

Octagon 4 is an oscillator pattern in Conway's Game of Life that has a period of 4. It is known for its octagonal shape and is a common example of a symmetric oscillator.

Octapole

oscillator
Period 2

Octapole is an oscillator pattern in Conway's Game of Life that consists of eight poles arranged symmetrically. It is known for its simple yet elegant structure.

Octapole synthesis

oscillator
Period 2

The Octapole synthesis is a glider synthesis of the octapole pattern, which is an oscillator.

Discoverer: Goldtiger997

Odd keys

oscillator
Period 3

Odd keys is a period 3 oscillator discovered by Dean Hickerson. It is known for its unique shape and behavior.

Discoverer: Dean Hickerson

Odd keys

still life

Odd keys is a pattern synthesized from 21 gliders. It is a notable pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Odd test tube baby

oscillator
Period 2

Odd test tube baby is a period 2 oscillator in Conway's Game of Life.

Odd test tube baby

still life

Odd test tube baby is a pattern synthesized from 11 gliders. It is a notable pattern in Conway's Game of Life.

Omnibus

oscillator
Period 4

Omnibus is a pattern in Conway's Game of Life known for its complex behavior and interactions.

Omnibus with tubs

still life

Omnibus with tubs is a still life pattern in Conway's Game of Life, featuring a central omnibus structure with additional tub components.

One per generation

spaceship

A tubstretcher that grows by exactly one cell every generation.

Discoverer: Nicolay Beluchenko

Onion rings

still life

Onion rings is a type of agar pattern in Conway's Game of Life, characterized by its repeating circular structures.

O-pentomino

methuselah

The O-pentomino is one of the 12 pentominoes and is known for its chaotic evolution in Conway's Game of Life.

Discoverer: John Conway
Year: 1970

Diuresis

oscillator
Period 30

Diuresis is a pattern that uses pentadecathlons for stabilization. It is a complex oscillator with a unique structure.

Discoverer: David Eppstein

Gliders by the Dozen

gun

A pattern that produces a dozen gliders. It is known for its ability to generate multiple spaceships from a single configuration.

Discoverer: Roger H. Rosenbaum

Original P15 pre-pulsar spaceship

spaceship
Period 15

The first known period-15 c/5 orthogonal spaceship, discovered by Noam Elkies.

Discoverer: Noam Elkies

Original p44 pi-heptomino hassler

oscillator
Period 44

An oscillator that uses pi-heptominoes to achieve a period of 44. It was discovered by David Buckingham.

Discoverer: David Buckingham

Original P56 B-heptomino shuttle

oscillator
Period 56

An oscillator that uses B-heptominoes to achieve a period of 56. It was discovered by David Buckingham before May 1991.

Discoverer: David Buckingham
Year: 1991

Orion

spaceship
Period 4

Orion is a c/4 diagonal spaceship with a period of 4, discovered by Hartmut Holzwart in April 1993.

Discoverer: Hartmut Holzwart
Year: 1993

Orion 2

spaceship
Period 4

A diagonal period 4 c/4 spaceship.

Discoverer: Jason Summers

Orthogonal Spaceships

spaceship

A collection of small orthogonal spaceships with various speeds, including well-known patterns like the LWSS, MWSS, and HWSS.

Ortho-loaf and table

still life

A 13-cell still life pattern consisting of an ortho-loaf and a table.

Ortho-loaf and table

still life

A pattern consisting of a glider synthesis of an ortho-loaf and a table, which are both still life objects.

oscillator of period 43+

oscillator
Period 43

This pattern is an oscillator with a base period of 43, demonstrating the existence of oscillators of all periods greater than or equal to 43. By adjusting the glider stream and reflectors, the period can be increased.

oscillator syntheses

oscillator

A collection of glider syntheses for ten different oscillators, including the pentadecathlon, tumbler, mold, and others.

Discoverer: Alan Hensel

OTCA metapixel

oscillator
Period 35328

The OTCA metapixel is a complex pattern that functions as a unit cell capable of emulating any Life-like cellular automaton. It was constructed in 2006 and is notable for its ability to simulate other patterns at a larger scale.

Discoverer: Brice Due
Year: 2006

OTCA metapixel (off)

still life

A unit cell capable of emulating any Life-like cellular automaton, constructed in 2006.

Discoverer: Brice Due
Year: 2006

Overweight emulator

oscillator

The Overweight emulator is a pattern in Conway's Game of Life that is known for its unique structure and behavior.

Overweight spaceship

spaceship

A would-be spaceship similar to the LWSS, MWSS, and HWSS, but longer. It is unstable by itself but can be escorted by other spaceships to produce a flotilla.

p100-H-channel-breeder

gun
Period 100

A breeder pattern that generates a series of Herschel tracks with a period of 100. It was discovered by David Bell and can be modified to create a breeder by adding a Herschel factory.

Discoverer: David Bell
Year: 1996

p100-H-track-puffer

spaceship
Period 100

A puffer pattern that lays down Herschel tracks with a period of 100. It uses pairs of Fx77 conduits and produces gliders.

Discoverer: Paul Callahan
Year: 1996

p103079214841

oscillator
Period 103079214841

A large and complex oscillator/gun pattern with a period of 103079214841, featuring a base loop and multiple quadruplers. It is based on previous designs and advances gliders in a specific sequence.

Discoverer: Gabriel Nivasch
Year: 2003

P110 traffic jam

oscillator
Period 110

The P110 traffic jam is the first known period 110 oscillator, discovered by Bill Gosper. It is notable for its unique period and historical significance in the study of Conway's Game of Life.

Discoverer: Bill Gosper
Year: 1994

p11 double-length signal injector

oscillator
Period 11

A period 11 oscillator that injects a signal into a larger pattern. It was discovered by Matthias Merzenich.

Discoverer: Matthias Merzenich
Year: 2011

P11 pinwheel

oscillator
Period 11

The P11 pinwheel is a rotationally symmetric oscillator with a period of 11, discovered by Nicolay Beluchenko in 2009.

Discoverer: Nicolay Beluchenko
Year: 2009

P124 lumps of muck hassler

oscillator
Period 124

The P124 lumps of muck hassler is an oscillator that was discovered by Dean Hickerson. It has a period of 124 and features a complex interaction of components.

Discoverer: Dean Hickerson
Year: 1994

P132 Hans Leo Hassler

oscillator
Period 132

A period 132 oscillator variant of the Hans Leo Hassler pattern.

Discoverer: Noam Elkies

p138

oscillator
Period 138

The p138 is an oscillator that was discovered as an infinite agar but can exist independently without external support.

Discoverer: Gabriel Nivasch
Year: 2002

P144 Hans Leo Hassler

oscillator
Period 144

A period 144 oscillator that is a variation of the Hans Leo Hassler pattern.

Discoverer: Noam Elkies

P156 Hans Leo hassler

oscillator
Period 156

A period 156 traffic light hassler, notable for being the first period 156 oscillator discovered.

Discoverer: Noam Elkies

P15 pre-pulsar spaceship

spaceship
Period 15

A period-15 c/5 orthogonal spaceship discovered by Noam Elkies. It features a complex structure that moves across the grid while maintaining its form.

Discoverer: Noam Elkies

P160 dart gun

gun

The P160 dart gun is the smallest known gun that produces a dart spaceship, with a period of 160. It was discovered by Dave Greene.

Discoverer: Dave Greene
Year: 2014

p18 glider shuttle

oscillator
Period 18

A period-18 oscillator that functions as a glider shuttle, based on the p42 glider shuttle.

Discoverer: Dean Hickerson

p18 honey farm hassler

oscillator
Period 18

A period 18 oscillator that manipulates a honey farm pattern. It was discovered by Nico Brown in January 2015.

Discoverer: Nico Brown
Year: 2015

p1 megacell

still life

The p1 megacell is a universal stable metacell designed by Adam P. Goucher. It can simulate any non-totalistic Moore-neighborhood rule, including Conway's Game of Life, with a large period and size.

Discoverer: Adam P. Goucher
Year: 2008

P200 traffic jam

oscillator
Period 200

A period-200 oscillator based on the traffic jam reaction, discovered by Bill Gosper.

Discoverer: Bill Gosper
Year: 1994

P22 lumps of muck hassler

oscillator
Period 22

A period 22 oscillator discovered by Aidan F. Pierce in 2015. It is known for its complex interaction with 'lumps of muck' still lifes.

Discoverer: Aidan F. Pierce
Year: 2015

p230 glider shuttle

oscillator
Period 230

The p230 glider shuttle is a period-230 oscillator that is based on the p50 glider shuttle. It is a complex pattern that involves the periodic movement of gliders.

Discoverer: Dean Hickerson

p246 glider shuttle

oscillator
Period 246

A period-246 oscillator that is based on the p42 glider shuttle, showcasing a complex interaction of gliders.

Discoverer: Dean Hickerson

p24 shuttle

oscillator
Period 24

The p24 shuttle is a period 24 oscillator that features a shuttle mechanism. It was discovered by Karel Suhajda.

Discoverer: Karel Suhajda

P26 glider shuttle

oscillator
Period 26

The P26 glider shuttle is the smallest known period 26 oscillator in terms of population. It was discovered by Matthias Merzenich in April 2013.

Discoverer: Matthias Merzenich
Year: 2013

p270 frothing puffer rake

spaceship
Period 270

A period 270 forward rake that uses period tripling of p90 input streams. It features a base c/3 spaceship cycling through three frothing periods.

Discoverer: David Bell
Year: 2002

p30-racetrack

oscillator
Period 1800

The p30-racetrack is a large period oscillator known for its complex interactions involving gliders and spaceships. It features a unique mechanism where gliders are converted into lightweight spaceships (LWSS) and involves multiple glider streams.

Discoverer: David Goodenough

P30 beehive hassler

oscillator
Period 30

A period 30 oscillator that interacts with beehives, related to the p35 beehive hassler.

Discoverer: Dean Hickerson

48P31

oscillator
Period 31

48P31 is an oscillator that acts as a 90-degree reflector with a period of 31 generations.

Discoverer: Matthias Merzenich

p32 blinker hassler

oscillator
Period 32

The p32 blinker hassler is an oscillator that interacts with blinkers to maintain its periodicity. It is known for its complex interaction and stabilization of blinkers.

Discoverer: Noam Elkies

p32 blinker hassler 2

oscillator
Period 32

A period 32 oscillator that manipulates blinkers, discovered by Noam Elkies.

Discoverer: Noam Elkies
Year: 2010

p35 beehive hassler

oscillator
Period 35

The first known period 35 oscillator, discovered by Dean Hickerson. It features a beehive hassled by other components.

Discoverer: Dean Hickerson

P35 honey farm hassler

oscillator
Period 35

The P35 honey farm hassler is an oscillator that was discovered by Dongook Lee. It has a period of 35 and involves the hassling of a honey farm.

Discoverer: Dongook Lee
Year: 2016

P36 Toad Hassler

oscillator
Period 36

The P36 Toad Hassler is the first known period 36 oscillator, discovered by Robert Wainwright. It interacts with a toad to maintain its oscillation.

Discoverer: Robert Wainwright

p36 Toadsucker

oscillator
Period 36

The p36 Toadsucker is an oscillator with a period of 36, discovered by Robert Wainwright. It is known for its interaction with a toad, a common still life pattern.

Discoverer: Robert Wainwright

P37 interaction

oscillator
Period 37

An oscillator pattern formed by the interaction of two 124P37 oscillators, hassling a beehive and a block.

Discoverer: Nicolay Beluchenko and Adam P. Goucher

p37 reflections

oscillator
Period 37

A period-37 oscillator that reflects gliders at 180-degree and 90-degree angles.

Discoverer: Nicolay Beluchenko and Matthias Merzenich

P40 B-heptomino shuttle

oscillator
Period 40

The P40 B-heptomino shuttle is the first known period 40 oscillator, discovered by David Buckingham. It features a shuttle mechanism involving B-heptominoes.

Discoverer: David Buckingham

P416 60P5H2V0 gun

gun
Period 416

A true period 416 gun that fires copies of the 60P5H2V0 spaceship.

Discoverer: Dave Greene

p42 glider shuttle

oscillator
Period 42

The p42 glider shuttle is the first known period-42 oscillator. It features a mechanism that shuttles gliders back and forth.

Discoverer: Noam Elkies

p43 glider loop

oscillator
Period 43

A period-43 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p43 glider shuttle

oscillator
Period 43

A period-43 oscillator that utilizes a stable reflector to shuttle gliders back and forth.

Discoverer: Mike Playle
Year: 2013

p448 dart gun

gun
Period 448

A gun pattern that periodically emits c/3 'dart' spaceships with a period of 448 generations.

Discoverer: Michael Simkin

p44 guns

gun

The p44 guns are a collection of gun patterns that produce spaceships with a period of 44. They include contributions from David Buckingham and Dietrich Leithner.

P44 pi-heptomino hassler

oscillator
Period 44

The first period 44 oscillator to be discovered, featuring a pi-heptomino interaction.

Discoverer: David Buckingham

P44 pi-heptomino hassler synthesis

oscillator
Period 44

A 67-glider synthesis of the p44 pi-heptomino hassler, an oscillator with a period of 44.

Discoverer: Mark D. Niemiec

p44 traffic light hassler

oscillator
Period 44

A period 44 oscillator that interacts with traffic light patterns. It is known for its complex behavior and interaction with other oscillators.

Discoverer: Matthias Merzenich

P44 traffic light hassler

oscillator
Period 44

A period 44 oscillator that interacts with traffic light patterns, discovered in 2010.

Discoverer: Matthias Merzenich
Year: 2010

p45 glider shuttle

oscillator
Period 45

The p45 glider shuttle is a period-45 oscillator that was discovered by Matthias Merzenich. It features a stabilization by Jason Summers.

Discoverer: Matthias Merzenich
Year: 2009

p46 gun

gun

The p46 gun is the smallest known gun that produces gliders with a period of 46. It was discovered by Bill Gosper.

Discoverer: Bill Gosper

p46 racetrack

oscillator
Period 6072

The p46 racetrack is a complex oscillator that functions as a glider racetrack with a period of 6072. It uses a combination of p46 and p92 streams to delay gliders in a controlled manner.

P48 toad hassler

oscillator
Period 48

The P48 toad hassler is the first period 48 oscillator discovered. It interacts with a toad to maintain its oscillation.

Discoverer: Bill Gosper
Year: 1994

P48 toad sucker

oscillator
Period 48

A period 48 oscillator that interacts with a toad, a common still life pattern, in a way that stabilizes it.

Discoverer: Bill Gosper

p50 glider shuttle

oscillator
Period 50

The p50 glider shuttle is the first period-50 oscillator discovered in Conway's Game of Life. It features a mechanism that shuttles gliders back and forth.

Discoverer: Dean Hickerson

P50 traffic jam

oscillator
Period 50

The smallest known period 50 oscillator, discovered in 1994.

Discoverer: Noam Elkies
Year: 1994

P50 traffic jam synthesis

oscillator
Period 50

A synthesis pattern for the P50 traffic jam oscillator, created using 34 gliders.

Discoverer: Mark Niemiec and Jason Summers

p53 glider loop

oscillator
Period 53

A period-53 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p54 shuttle

oscillator
Period 54

The p54 shuttle is a period 54 oscillator that is a variant of the twin bees shuttle. It was discovered by Dave Buckingham in 1973.

Discoverer: Dave Buckingham
Year: 1973

P54 shuttle synthesis

oscillator
Period 54

A 12-glider synthesis of the p54 shuttle, an oscillator pattern in Conway's Game of Life.

P56 B-heptomino shuttle

oscillator
Period 56

The P56 B-heptomino shuttle is the smallest known period 56 oscillator in Conway's Game of Life. It uses B-heptominoes to achieve its oscillation.

Discoverer: David Buckingham

P56 B-heptomino shuttle synthesis

oscillator
Period 56

A 19-glider synthesis of the P56 B-heptomino shuttle, an oscillator with a period of 56.

Discoverer: Mark D. Niemiec

p5760 unit Life cell

oscillator
Period 5760

The p5760 unit Life cell is the first known unit Life cell, an oscillator with a period of 5760.

Discoverer: David Bell

p57 glider loop

oscillator
Period 57

A period-57 oscillator that utilizes a stable reflector to maintain its cycle. It is notable for its relatively high period among oscillators.

Discoverer: Mike Playle
Year: 2013

P57 Herschel loop 1

oscillator
Period 57

The P57 Herschel loop 1 is the first discovered period 57 oscillator, utilizing a loop of Herschel conduits.

Discoverer: Dietrich Leithner
Year: 1997

P58 toadsucker

oscillator
Period 58

The P58 toadsucker is the first known period 58 oscillator in Conway's Game of Life.

Discoverer: Bill Gosper

p59 gun with Snark reflectors

gun
Period 59

A period 59 gun that uses Snark reflectors to redirect gliders. It was created by Dave Greene, based on earlier work by Adam P. Goucher and Jason Summers.

Discoverer: Dave Greene
Year: 2013

Period-59 glider gun

gun
Period 59

A true-period 59 glider gun that periodically emits gliders every 59 generations.

Snark-assisted period-59 glider gun

gun

A true-period 59 glider gun that uses a Snark reflector to achieve its period. It was discovered in 2013 and is notable for its unique period.

Discoverer: Dave Greene
Year: 2013

Period-59 glider gun

gun

The first true period-59 glider gun to be discovered, capable of emitting gliders at regular intervals.

p59 glider loop

oscillator
Period 59

A period-59 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

P59 Herschel loop 1

oscillator
Period 59

The first period 59 oscillator to be discovered, utilizing a Herschel track to achieve its oscillation.

Discoverer: David Buckingham

p59 Herschel loop 2

oscillator
Period 59

A period 59 oscillator that utilizes a Herschel loop mechanism. It was discovered in 2004 and is part of a family of Herschel loop oscillators.

Year: 2004

P5 reflector

oscillator
Period 5

A period 5 oscillator that can act as a glider reflector.

P5 reflector with gliders

oscillator
Period 5

A period 5 oscillator that reflects gliders, altering their path.

p60 hassler

oscillator
Period 60

The p60 hassler is a period 60 oscillator discovered by Noam Elkies in 2002. It is known for its complex interaction of components that repeat every 60 generations.

Discoverer: Noam Elkies
Year: 2002

p6108-c4-rake

spaceship
Period 6108

A diagonal glider rake discovered by David Bell, featuring a complex convoy structure that increases its period by 32 generations with each iteration.

Discoverer: David Bell
Year: 2005

p61 glider loop

oscillator
Period 61

A period-61 oscillator that utilizes a stable reflector to maintain its oscillation. It is notable for its relatively high period compared to many other oscillators.

Discoverer: Mike Playle
Year: 2013

P61 Herschel loop 1

oscillator
Period 61

The first known period 61 oscillator, utilizing a Herschel track to achieve its oscillation.

Discoverer: David Buckingham

P61 Herschel loop 2

oscillator
Period 61

The P61 Herschel loop 2 is an oscillator that was discovered by Paul Callahan. It has a period of 61 and is based on the Herschel conduit.

Discoverer: Paul Callahan
Year: 1997

p62 blinker hassler

oscillator
Period 62

A period-62 oscillator composed of two period-31 oscillators hassling two blinkers.

Discoverer: Noam Elkies

p63 glider loop

oscillator
Period 63

A period-63 oscillator that utilizes a stable reflector to maintain its oscillation. It is a complex pattern discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p65 glider loop

oscillator
Period 65

A period-65 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p66 glider shuttle

oscillator
Period 66

A period-66 oscillator that functions as a glider shuttle, utilizing two 180-degree reflectors. It is based on an old reflector reaction by Noam Elkies.

Discoverer: Michael Simkin

p67 glider loop

oscillator
Period 67

A period-67 oscillator that utilizes a stable reflector to maintain its cycle. It was discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p68 glider loop

oscillator
Period 68

A period-68 oscillator based on a stable reflector, discovered by Mike Playle. It features a loop of gliders that repeat every 68 generations.

Discoverer: Mike Playle
Year: 2013

p690-PT-Cordership-gun

gun
Period 690

A gun pattern that periodically emits Corderships, discovered by Paul Tooke. It has a repeat rate of 690 generations.

Discoverer: Paul Tooke
Year: 2004

P690 60P5H2V0 gun

gun
Period 690

A gun pattern that periodically emits the 60P5H2V0 spaceship through glider synthesis. It was created by Jason Summers in October 2003.

Discoverer: Jason Summers
Year: 2003

p69 glider loop

oscillator
Period 69

A period-69 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p6 diagonal wickstretcher 1

oscillator
Period 6

A period 6 oscillator that extends a wick diagonally. It was partially constructed in 2004 and completed in 2013.

Discoverer: Paul Tooke, Jason Summers, and Matthias Merzenich
Year: 2013

p71 glider loop

oscillator
Period 71

A period-71 oscillator based on a stable reflector, discovered by Mike Playle.

Discoverer: Mike Playle
Year: 2013

p88 pi-heptomino hassler

oscillator
Period 88

The first period 88 oscillator to be discovered, featuring a pi-heptomino as a key component of its oscillation.

Discoverer: Dean Hickerson

p8 swan tagalong

oscillator
Period 8

An oscillator pattern consisting of two swans pulling a period 8 tagalong.

p90 rake factory

gun
Period 90

The p90 rake factory is a gun that produces a p20 rake every 90 generations. It acts as a stationary breeder.

Discoverer: Dieter Leithner
Year: 1994

P94S

gun
Period 94

A true period 94 twelve-barreled glider gun based on the AK47 reaction.

Discoverer: Dean Hickerson

P94S2

gun
Period 94

A true period 94 glider gun using the AK47 reaction, based on a gun by Dean Hickerson.

Paperclip

still life

Paperclip is a 14-cell still life pattern in Conway's Game of Life.

Paperclip Synth

methuselah

The Paperclip Synth is a glider synthesis pattern that constructs paperclip structures in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Parabolic sawtooth

methuselah

A sawtooth pattern with a parabolic envelope and minimum repeating population that repeats in quadratic time.

Discoverer: Dean Hickerson

Partial queen bee loop

oscillator
Period 30

A period 30 oscillator based on the queen bee loop, discovered by Bill Gosper.

Discoverer: Bill Gosper

Pedestle

oscillator
Period 5

Pedestle is a period 5 oscillator in Conway's Game of Life.

Penny lane

oscillator
Period 4

Penny lane is a period 4 oscillator discovered by David Buckingham in 1972. It is known for its symmetrical structure and moderate size.

Discoverer: David Buckingham
Year: 1972

Pentadecathlon

oscillator
Period 15

The Pentadecathlon is a period-15 oscillator consisting of a sequence of 10 cells that evolve into a distinct pattern. It is one of the most common oscillators with a period greater than 3.

Discoverer: John Conway

Pentadecathlon Synth

oscillator
Period 15

The Pentadecathlon Synth is a glider synthesis pattern that creates the pentadecathlon oscillator, which is notable for its period of 15. It is a compact and efficient way to generate this well-known oscillator using gliders.

Discoverer: Mark D. Niemiec

Pentadecathlon on 37P7.1

oscillator
Period 105

A small non-trivial period 105 oscillator that combines a pentadecathlon with the 37P7.1 oscillator.

Pentadecathlon on 38P7.2

oscillator
Period 105

A small non-trivial period 105 oscillator that combines a pentadecathlon with the 38P7.2 oscillator.

Pentadecathlon on Snacker

oscillator
Period 45

A small period 45 oscillator that combines a pentadecathlon with a snacker. It is a complex pattern that demonstrates interesting interactions between the two components.

Pentadecathlon on Snacker Synth

oscillator
Period 15

A synthesis pattern involving a pentadecathlon oscillator and a snacker, created using 23 gliders.

Pentadecathlon on thumb 1

oscillator
Period 45

A non-trivial period 45 oscillator that combines a pentadecathlon with a thumb-like structure.

Pentant

oscillator
Period 5

Pentant is a period 5 oscillator that was discovered by David Buckingham in July 1976.

Discoverer: David Buckingham
Year: 1976

Pentapole

oscillator
Period 2

The Pentapole is a barberpole of length 5, functioning as a period 2 oscillator.

Pentapole Synth

oscillator
Period 2

The Pentapole Synth is a glider synthesis pattern that constructs the pentapole oscillator.

Discoverer: Mark D. Niemiec

Pentoad

oscillator
Period 5

Pentoad is a period 5 oscillator that was discovered by Bill Gosper in June 1977.

Discoverer: Bill Gosper
Year: 1977

Pentoad 1H2

oscillator
Period 5

Pentoad 1H2 is a period 5 oscillator in Conway's Game of Life.

Pentoad 2

oscillator
Period 5

Pentoad 2 is a period 5 oscillator in Conway's Game of Life.

Pentoad Synthesis

oscillator
Period 5

A glider synthesis pattern for creating the pentoad oscillator.

Discoverer: Mark D. Niemiec

Pentoad with two hexominoes

oscillator
Period 5

A period 5 oscillator featuring a pentoad with two hexominoes in the middle.

Period 11 - 14 oscillators

oscillator

A collection of oscillators with periods ranging from 11 to 14, showcasing various dynamic behaviors in Conway's Game of Life.

Discoverer: Jason Summers

period 14 glider gun

gun
Period 14

The period 14 glider gun is a pattern that periodically emits gliders every 14 generations. It is a complex structure that combines oscillators and spaceships to achieve this periodic emission.

Discoverer: Karel Suhajda
Year: 2004

p20 glider gun

gun
Period 20

The p20 glider gun is a pattern that periodically emits gliders every 20 generations. It is a notable example of a gun pattern in Conway's Game of Life.

Discoverer: Matthias Merzenich, Noam Elkies

Period 2 oscillators

oscillator
Period 2

A collection of oscillators that return to their initial state after two generations. These patterns are fundamental in the study of cellular automata.

Discoverer: Jason Summers

Period-36 glider gun

gun
Period 36

A true period 36 glider gun that emits gliders every 36 generations, discovered by Jason Summers.

Discoverer: Jason Summers
Year: 2004

Period 3 oscillators

oscillator
Period 3

A collection of oscillators that repeat their pattern every 3 generations in Conway's Game of Life.

Discoverer: Jason Summers

p40 glider gun

gun
Period 40

The p40 glider gun is a pattern that periodically emits gliders every 40 generations. It is notable for its relatively high period compared to other known glider guns.

Discoverer: Adam P. Goucher, Matthias Merzenich

Period-45 glider gun

gun
Period 45

A true period 45 glider gun that emits gliders every 45 generations. It was discovered by Matthias Merzenich in 2010, with subsequent improvements by Adam P. Goucher, Dave Greene, and Tanner Jacobi.

Discoverer: Matthias Merzenich
Year: 2010

p48 pi hassler

oscillator
Period 48

A period 48 oscillator that was discovered by Matthias Merzenich in June 2011. It is known for its interaction with pi heptominoes.

Discoverer: Matthias Merzenich
Year: 2011

Period 4 oscillators

oscillator
Period 4

A collection of oscillators that repeat their pattern every four generations. These patterns are part of Conway's Game of Life and exhibit periodic behavior.

Discoverer: Jason Summers

p50 glider gun variant

gun

A variant of the glider gun with a period of 50, discovered by Dean Hickerson. It emits gliders at regular intervals.

Discoverer: Dean Hickerson

p50 glider gun variant by David Bell

gun
Period 50

A variant of a glider gun with a period of 50, discovered by David Bell. It emits gliders at regular intervals.

Discoverer: David Bell

Period-59 glider gun

gun

A true-period 59 glider gun that emits gliders with a period of 59 generations.

Period 5 oscillators

oscillator
Period 5

A collection of oscillators with a period of 5, discovered by Jason Summers. These patterns return to their initial state after 5 generations.

Discoverer: Jason Summers

Period-60 glider gun

gun

The first true period 60 glider gun, discovered by Bill Gosper. It emits gliders with a period of 60 generations.

Discoverer: Bill Gosper

Period-61 glider gun

gun

The first true period-61 glider gun, discovered in April 2016, which periodically emits gliders every 61 generations.

Discoverer: AbhpzTa
Year: 2016

Period 6 oscillators

oscillator
Period 6

A collection of oscillators that repeat their pattern every 6 generations in Conway's Game of Life.

Discoverer: Jason Summers

Period 7 and 8 oscillators

oscillator

A collection of oscillators with periods 7 and 8, showcasing various repeating patterns in Conway's Game of Life.

Discoverer: Jason Summers

Period 8 eater 3

oscillator
Period 8

A period 8 oscillator that functions as an eater, interacting with other patterns.

Period 9 and 10 oscillators

oscillator

A collection of oscillators with periods 9 and 10, showcasing complex periodic behavior in Conway's Game of Life.

Discoverer: Jason Summers

perp-greyship1

spaceship
Period 4

A spaceship pattern that moves perpendicularly with a speed of 2c/4. It was discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart
Year: 2005

perp-greyship2

spaceship
Period 4

A smaller 2c/4 perpendicular spaceship known as the greyship, discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart
Year: 2005

perp-greyship3

spaceship

A spaceship pattern known as the perpendicular greyship in triangle form, discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart
Year: 2005

perp-greyship4

spaceship
Period 10

A spaceship pattern known as a perpendicular grey ship in triangle form, discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart
Year: 2005

phase-shift oscillator

oscillator

The phase-shift oscillator is a method to construct high-period oscillators from lower periods by periodically shifting the phase of an oscillator. It allows the construction of oscillators of periods 7n+1 using a single spark.

Phoenix 1

oscillator
Period 2

Phoenix 1 is a period 2 oscillator and is the smallest known phoenix pattern. It was discovered in December 1971.

Year: 1971

Phoenix 1

oscillator
Period 2

Phoenix 1 is an oscillator pattern that can be synthesized using gliders. It is known for its simple yet elegant structure.

Discoverer: Mark D. Niemiec

Phoenix 1 extended

oscillator
Period 2

An extension of the period 2 Phoenix 1 oscillator, featuring a larger and more complex structure.

pi-blink-breeder1

gun

An unusual breeder pattern that exhibits quadratic growth. It was discovered by Jason Summers and is part of the 'jslife' collection.

Discoverer: Jason Summers
Year: 2002

pi-blink-breeder2

gun

An unusual breeder pattern that exhibits quadratic growth, created by Jason Summers and David Bell.

Discoverer: Jason Summers and David Bell
Year: 2002

pi-fuse-puffer

spaceship

A line puffer with puff suppressors aligned to produce two rows of blocks, eaten by a pi-heptomino. It is a spaceship that grows while traveling.

Discoverer: Dean Hickerson and Al Hensel
Year: 1994

Pi eater

still life

The Pi eater is a pattern consisting of two blocks that can absorb a pi-heptomino, effectively 'eating' it.

Discoverer: Bill Gosper
Year: 1992

Pi eater 2

still life

A pattern that acts as a catalyst to consume or stabilize a pi-heptomino.

Pi-heptomino

methuselah

The Pi-heptomino is one of the 108 heptominoes in Conway's Game of Life, known for its initial activity before stabilizing.

Pi-heptomino Synth

methuselah

A glider synthesis pattern for creating pi-heptominoes, which are known for their methuselah properties.

Discoverer: Mark D. Niemiec

Pincers_synth

methuselah

A glider synthesis pattern for creating the 'pincers' object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Pinwheel

oscillator
Period 4

Pinwheel is a period 4 oscillator in Conway's Game of Life.

Discoverer: Simon Norton

Pinwheel Synthesis

oscillator

A glider synthesis pattern for the pinwheel, which is a known oscillator in Conway's Game of Life.

Discoverer: Martin Grant

Pi orbital

oscillator
Period 168

Pi orbital is a large period 168 oscillator that was discovered by Noam Elkies in 1995.

Discoverer: Noam Elkies
Year: 1995

Pi portraitor

oscillator
Period 32

Pi portraitor is a period 32 oscillator that was discovered by Robert Wainwright. It features a symmetrical pattern that cycles through its states every 32 generations.

Discoverer: Robert Wainwright
Year: 1984

Pipsquirter 1

oscillator
Period 6

Pipsquirter 1 is a period 6 oscillator that was discovered by Noam Elkies. It is known for its ability to emit a small pattern of cells, or 'pips', during its oscillation cycle.

Discoverer: Noam Elkies
Year: 1997

pipsquirter 1 synthesis

oscillator

A glider synthesis of the pipsquirter 1 pattern, which is a known oscillator.

Discoverer: Martin Grant

Pipsquirter 1 as reflector

oscillator

A pattern using a pipsquirter 1 to reflect a glider.

Pipsquirter 2

oscillator
Period 7

Pipsquirter 2 is a period 7 oscillator discovered by Noam Elkies. It is known for its ability to emit a stream of gliders.

Discoverer: Noam Elkies

Pipsquirter 2 reflector

still life

The Pipsquirter 2 reflector is a pattern that uses the Pipsquirter 2 to reflect gliders or other spaceships. It is a functional component in larger constructions.

Discoverer: Noam Elkies

Pi ship 1

spaceship

A growing spaceship pattern discovered in the early 1970s, known for its unique movement and growth properties.

Year: 1970

Piston

oscillator
Period 2

Piston is a period 2 oscillator that was discovered in 1971. It features a symmetrical structure that oscillates between two phases.

Year: 1971

piston synth

oscillator
Period 2

A glider synthesis of the piston pattern, which is a known oscillator in Conway's Game of Life.

Discoverer: gmc_nxtman

Pond

still life

The Pond is a small, stable still life pattern consisting of 8 cells. It resembles a small, enclosed loop.

Pond Synth

still life

A glider synthesis pattern that constructs a pond, a common still life pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Pond and dock

still life

Pond and dock is a still life pattern consisting of a pond and a dock structure. It remains static and does not change over generations.

Pond on pond

still life

A 16-cell pseudo still life pattern consisting of two overlapping ponds.

Pond on Pond Synth

still life

Pond on pond_synth is a still life pattern that involves the synthesis of ponds using gliders. It is a combination of two pond patterns.

Discoverer: Mark D. Niemiec

Pony express

spaceship

Pony express is a large and complex spaceship pattern in Conway's Game of Life. It is known for its intricate structure and movement across the grid.

Popover

oscillator
Period 32

A period 32 oscillator that works by hassling a pi-heptomino.

Discoverer: Robert Wainwright

(p, p+8) prime calculator

methuselah

A complex pattern designed to calculate pairs of cousin primes (p, p+8) using Conway's Game of Life. It is based on Dean Hickerson's primer pattern and was constructed with the help of calcyman.

Discoverer: Nathaniel Johnston
Year: 2009

P-pentomino

methuselah

The P-pentomino is a methuselah pattern that evolves for a significant number of generations before stabilizing.

Discoverer: John Conway
Year: 1970

Pre-beehive

still life

A common parent of the beehive, which is a still life pattern.

Pre-beehive synthesis

still life

A glider synthesis pattern that constructs a pre-beehive, which is a precursor to the beehive still life.

Pre-block

still life

A predecessor of the block still life pattern, which evolves into a block in one generation.

Pre-block synthesis

still life

The Pre-block synthesis is a glider synthesis pattern that leads to the formation of a pre-block structure. It is used in constructing more complex patterns.

Pre-pulsar

oscillator
Period 15

A common predecessor of the pulsar that duplicates itself after 15 generations, but fails to be a true replicator due to interaction between copies.

Pre-pulsar hassler 55

oscillator
Period 55

The smallest known period 55 oscillator, discovered by David Buckingham in 1986.

Discoverer: David Buckingham
Year: 1986

Pre-pulsar predecessor

methuselah

A common four-generation predecessor of the pre-pulsar, which evolves into a pulsar pattern.

Pre-pulsar shuttle 26

oscillator
Period 26

The smallest known period 26 oscillator, discovered by David Buckingham and Noam Elkies. It was initially discovered in 1983 and later improved in 1997.

Discoverer: David Buckingham and Noam Elkies
Year: 1983

Pre-pulsar shuttle 26 variant

spaceship
Period 26

A variant of the p26 pre-pulsar shuttle with a minimum population of 144 cells.

Pre-pulsar shuttle 28

oscillator
Period 28

A period 28 shuttle oscillator that involves a pre-pulsar interacting with other components.

Pre-pulsar shuttle 28 variant

oscillator
Period 28

A small period 28 oscillator known for its minimal population. It is a variant of the pre-pulsar shuttle pattern.

Discoverer: Matthias Merzenich
Year: 2016

Pre-pulsar shuttle 29

oscillator
Period 29

A period 29 oscillator known as a pre-pulsar shuttle, which was discovered by David Buckingham in 1980.

Discoverer: David Buckingham
Year: 1980

Pre-pulsar shuttle 29 v2

oscillator
Period 29

A period 29 shuttle oscillator that involves a pre-pulsar being hassled.

Pre-pulsar shuttle 29 v3

oscillator
Period 29

A period 29 shuttle oscillator in which four pre-pulsars are hassled.

Pre-pulsar shuttle 47

oscillator
Period 47

A period 47 shuttle oscillator that works by hassling two pre-pulsars.

Pre-pulsar shuttle 47 v2

oscillator
Period 47

A period 47 oscillator that is an extension of the classic period 47 pre-pulsar shuttle.

Discoverer: Nicolay Beluchenko
Year: 2009

Pre-pulsar shuttle 58

oscillator
Period 58

A period-58 oscillator that is more efficient in terms of population compared to previous Snark-based designs.

Discoverer: Tanner Jacobi

Pre-pulsar spaceship

spaceship
Period 30

The Pre-pulsar spaceship is a period 30 orthogonal c/5 spaceship where two spiders push a pre-pulsar. It was discovered by David Bell.

Discoverer: David Bell
Year: 1998

Pressure cooker

oscillator
Period 3

Pressure cooker is a period 3 oscillator that was discovered by the MIT group in September 1971.

Discoverer: MIT group
Year: 1971

Pressure Cooker Synthesis

oscillator
Period 4

A glider synthesis of the Pressure Cooker pattern, which is a known oscillator in Conway's Game of Life.

Prime quadruplet calculator

methuselah

A pattern designed to calculate prime quadruplets, based on Dean Hickerson's twin prime calculator.

Discoverer: Nathaniel Johnston
Year: 2009

Primer

other

Primer is a pattern that acts as a prime number sieve, discovered by Dean Hickerson in 1991.

Discoverer: Dean Hickerson
Year: 1991

Protein

oscillator
Period 3

Protein is a period 3 oscillator that was discovered by David Buckingham in November 1972. It is known for its compact and symmetrical structure.

Discoverer: David Buckingham
Year: 1972

pseudo-p34-gun

gun

A pseudo-period 34 glider gun based on two p102 Herschel factories, discovered by Karel Suhajda.

Discoverer: Karel Suhajda
Year: 2003

Pseudo-barberpole

oscillator
Period 5

The Pseudo-barberpole is a small period 5 oscillator with a minimum population of 15 cells.

Discoverer: Achim Flammenkamp
Year: 1994

Pseudo-barberpole synthesis

oscillator

A glider synthesis pattern for creating the pseudo-barberpole oscillator. It demonstrates how gliders can be used to construct this specific pattern.

Discoverer: Mark D. Niemiec

Pseudo-barberpole on 36p22

oscillator
Period 110

A period 110 oscillator that combines a pseudo-barberpole with a 36p22 oscillator. It is notable for being the smallest non-trivial oscillator of this period.

Pseudo-barberpole on rattlesnake

oscillator
Period 55

The smallest known period-55 oscillator, combining elements of a pseudo-barberpole and a rattlesnake.

Chris Cain's Period-14 Glider Gun

gun
Period 14

A period-14 glider gun constructed by Chris Cain, based on previous designs by Adam P. Goucher, Karel Suhajda, and Dietrich Leithner.

Discoverer: Chris Cain
Year: 2016

puffer 2c/5

spaceship
Period 10150

A puffer pattern that moves at a speed of 2c/5 and leaves behind a trail of debris. It has a very long period of 10150 generations.

Discoverer: Jason Summers
Year: 1999

puffer train

spaceship

A puffer train is a type of spaceship that leaves behind a trail of debris as it moves. This particular pattern is created by stabilizing a B-heptomino with two lightweight spaceships (LWSS).

Discoverer: Alan Hensel

Puffer 1

spaceship
Period 128

Puffer 1 is an orthogonal, period-128 puffer and was the first puffer to be discovered in Conway's Game of Life.

Discoverer: Bill Gosper

Puffer 2

spaceship
Period 140

An orthogonal period 140 c/2 puffer that uses two lightweight spaceships to escort a B-heptomino.

Discoverer: Bill Gosper

Puffer 2

spaceship

Puffer 2 is a type of puffer pattern in Conway's Game of Life, which leaves behind a trail of debris as it moves. This specific pattern is synthesized using gliders.

Discoverer: Mark D. Niemiec

Pufferfish

spaceship
Period 2

The Pufferfish is a c/2 spaceship that leaves behind a trail of debris, making it a type of puffer. It was discovered by Richard Schank in 2014.

Discoverer: Richard Schank
Year: 2014

Pufferfish synthesis

spaceship
Period 92

A synthesis pattern for the pufferfish spaceship, based on a soup found by Richard Schank.

Discoverer: Chris Cain

Pufferfish breeder

gun

The Pufferfish breeder is a pattern that produces a series of pufferfish spaceships. It is based on the semi-natural pufferfish pattern.

Discoverer: Ivan Fomichev

Pufferfish with a companion

spaceship
Period 2

A c/2 spaceship pattern that includes a pufferfish and a companion fuse, discovered in December 2014.

Discoverer: Ivan Fomichev
Year: 2014

Pufferfish rake

spaceship
Period 2

A c/2 rake pattern that emits spaceships, discovered by Nico Brown in December 2014.

Discoverer: Nico Brown
Year: 2014

Pufferfish

spaceship
Period 2

The Pufferfish is a c/2 spaceship notable for having no parts of periods 2 or 4. It was discovered in December 2014.

Discoverer: Ivan Fomichev
Year: 2014

Pufferfish Spaceship Synthesis

spaceship

The Pufferfish spaceship is a type of spaceship pattern in Conway's Game of Life. This synthesis was created by Chris Cain in 2015.

Discoverer: Chris Cain
Year: 2015

Pulsar

oscillator
Period 3

A period 3 oscillator that is the fourth most common oscillator and the most common of period greater than 2.

Discoverer: John Conway

Pulsar Synth

oscillator
Period 3

A glider synthesis pattern that constructs pulsars, which are well-known oscillators in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Pulsar Pixel Display 8x2

oscillator

The Pulsar Pixel Display 8x2 is a complex oscillator pattern that displays hexadecimal numbers in an incrementing and decrementing order. It is designed to function as a bitmap display using pulsar oscillators.

Discoverer: Mark S. Walsh

Pulsar quadrant

oscillator
Period 3

The Pulsar quadrant is a period 3 oscillator that forms one quadrant of the larger Pulsar pattern.

Discoverer: David Buckingham
Year: 1973

Pulsar Quadrant Synthesis

oscillator
Period 3

A glider synthesis pattern that constructs a quadrant of a pulsar, an oscillator pattern. It demonstrates the ability to create complex structures from simpler components.

Discoverer: Mark D. Niemiec

Pushalong 1

spaceship
Period 4

An orthogonal period 4 c/2 pushalong that attaches to the front of a middleweight spaceship.

Discoverer: David Bell
Year: 1992

Pushalong 1 Synth

spaceship

The 'Pushalong 1 Synth' is a synthesis pattern used to construct a specific spaceship or oscillator in Conway's Game of Life.

Python siamese carrier

still life

An 11-bit still life pattern in Conway's Game of Life.

Python siamese snake

still life

A small 11-bit still life pattern in Conway's Game of Life.

Q-pentomino

methuselah

The Q-pentomino is one of the 12 pentominoes and is a small pattern in Conway's Game of Life.

Quad

oscillator
Period 2

Quad is a period 2 oscillator that forms a symmetrical pattern. It was discovered in 1971 and is known for its simple yet elegant structure.

Discoverer: Robert Kraus
Year: 1971

Quad_synth

still life

Quad_synth is a glider synthesis pattern for creating the 'quad' still life. It involves a specific arrangement of gliders to form the desired pattern.

Discoverer: Mark D. Niemiec

Quadfuse

spaceship
Period 5

An orthogonal period 5 lightspeed modification of the ants fuse that has a burning reaction growing quadratically.

Discoverer: Alan Hensel

Quadpole

oscillator
Period 2

The Quadpole is a barberpole of length 4, functioning as a period 2 oscillator.

Quadpole Synth

oscillator
Period 2

The Quadpole Synth is a glider synthesis pattern for creating a quadpole oscillator.

Discoverer: Mark D. Niemiec

Quad pseudo still life

still life

A 34-cell pseudo still life that can be decomposed into four stable subpatterns, but cannot be decomposed into two or three stable subpatterns.

Discoverer: Gabriel Nivasch

Quadratic Sawtooth

methuselah

The Quadratic Sawtooth is a pattern that grows in a quadratic manner, with its population increasing over time. It is notable for its unique growth pattern and complexity.

Discoverer: Alexey Nigin, Martin Grant
Year: 2015

Quadrilateral Greyship

spaceship

The Quadrilateral Greyship is a spaceship pattern with a slope of 5/9, discovered by Hartmut Holzwart. It is notable for its unique shape and movement.

Discoverer: Hartmut Holzwart
Year: 2005

Quadruple burloaferimeter

oscillator
Period 8

A C4-symmetric variant of the burloaferimeter, an oscillator pattern in Conway's Game of Life.

Discoverer: Dannyu NDos [David]
Year: 2016

Quadruple burloaferimeter 2

oscillator
Period 4

A C4_4-symmetric variant of the burloaferimeter, discovered by Apple Bottom. It is a complex oscillator pattern.

Discoverer: Apple Bottom
Year: 2017

Quasar

oscillator
Period 3

Quasar is a period 3 oscillator that resembles the pulsar pattern. It was discovered in 1971 and is known for its symmetrical structure.

Discoverer: Robert Wainwright
Year: 1971

Quattuordecapole

oscillator
Period 2

The Quattuordecapole is an oscillator known as a barberpole of length 14, which is a linear pattern that oscillates between two phases.

queen bee shuttle turning reaction

oscillator
Period 88

The queen bee shuttle turning reaction is a p88 oscillator that demonstrates a turning reaction involving the queen bee shuttle. It was first demonstrated by David I. Bell.

Discoverer: David I. Bell
Year: 1996

Queen bee

methuselah

The Queen bee is a pattern that lays a beehive on either side of itself before exploding.

Queen bee synthesis

oscillator
Period 30

The Queen bee synthesis is a glider synthesis pattern used to create the queen bee shuttle, an oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Queen bee loop

oscillator
Period 30

The Queen bee loop is a period 30 oscillator that resembles the queen bee shuttle. It was discovered by Bill Gosper in 1970.

Discoverer: Bill Gosper
Year: 1970

Queen bee shuttle

oscillator
Period 30

The Queen bee shuttle is a period 30 oscillator that was discovered by Bill Gosper. It is notable for its ability to be used in the construction of other complex patterns.

Discoverer: Bill Gosper

Queen bee shuttle synthesis

oscillator
Period 30

A glider synthesis of the queen bee shuttle, an oscillator pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Queen bee shuttle pi predecessor

oscillator

A predecessor to the queen bee shuttle, an oscillator that was found in April 1992.

Discoverer: Bill Gosper
Year: 1992

Queen bee turner

oscillator
Period 88

The Queen bee turner is a period 88 oscillator that was created by David Bell. It is known for its ability to convert a queen bee shuttle into a different form.

Discoverer: David Bell
Year: 1996

Queen bee turning reaction 1

reaction

A reaction where two gliders collide with a queen bee, causing it to rotate by 90 degrees.

Discoverer: David Bell

Quindecapole

oscillator
Period 2

The Quindecapole is an oscillator known as a barberpole of length 15, which oscillates with a period of 2.

R2D2

oscillator
Period 8

R2D2 is a period 8 oscillator in Conway's Game of Life.

Discoverer: Peter Raynham

Rabbits Relative

methuselah

A methuselah pattern that runs for 17,423 generations before stabilizing. It starts with 10 cells and ends with a population of 1,749.

Discoverer: Tomas G. Rokicki
Year: 2005

Rabbits Relative

methuselah

A methuselah pattern that runs for 17,465 generations before stabilizing. It is notable for being a long-lived 11-cell pattern within an 11x11 square.

Discoverer: Tomas G. Rokicki
Year: 2005

Rabbits

methuselah

Rabbits is a methuselah pattern known for its long lifespan of 17331 generations before stabilizing.

Discoverer: Andrew Trevorrow

Rabbits

methuselah

Rabbits is a methuselah pattern that evolves into a repeating pattern after a large number of generations. This RLE represents a glider synthesis of the pattern.

Discoverer: Mark D. Niemiec

Racetrack

oscillator
Period 4

Racetrack is a pattern in Conway's Game of Life that forms a closed loop, resembling a racetrack. It is known for its unique shape and behavior.

Racetrack and ortho-beacon

oscillator

Racetrack and ortho-beacon is an oscillator pattern in Conway's Game of Life. It features a combination of a racetrack and an orthogonal beacon.

Radial pseudo-barberpole

oscillator

A radially symmetric relative of the pseudo-barberpole pattern.

Discoverer: Gabriel Nivasch

rake-breeder

gun
Period 60

A rake-breeder is a type of breeder pattern that creates a new rake every 60 generations. It is a complex pattern that combines elements of puffers and rakes.

Discoverer: Achim Flammenkamp
Year: 1994

Random Still Life

still life

A random-looking still life pattern created by Gabriel Nivasch. It does not change over time and remains static.

Discoverer: Gabriel Nivasch

$rats

oscillator
Period 6

$rats is a period 6 oscillator that was discovered in 1972. It is known for its distinctive shape and behavior in Conway's Game of Life.

Discoverer: David Buckingham
Year: 1972

rats synth

methuselah

A glider synthesis pattern for the '$rats' object in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Rattlesnake

spaceship
Period 4

Rattlesnake is a spaceship pattern in Conway's Game of Life known for its distinctive shape and movement.

Discoverer: Dean Hickerson

rattlesnake_synth

spaceship

The rattlesnake_synth is a glider synthesis pattern for creating the rattlesnake pattern in Conway's Game of Life.

Discoverer: Martin Grant

R-bee and snake

still life

A 13-cell still life pattern composed of an R-bee and a snake.

R-bee and snake synthesis

still life

A 7-glider synthesis of the R-bee and snake pattern, which is a combination of two still lifes.

Rectifier

oscillator
Period 106

A 180-degree stable reflector with a recovery time of 106 generations.

Discoverer: Adam P. Goucher

reflectors

oscillator

Reflectors are patterns that can change the direction of gliders. These specific reflectors are fast and have low periods, working for any period 22 or higher that is a multiple of their period.

reflectors2

oscillator

A collection of 90-degree glider reflectors, including a demonstration of a Herschel loop for reflecting specific period glider streams.

Revolver

oscillator
Period 2

Revolver is a period 2 oscillator and flipper in Conway's Game of Life.

Rich's p16

oscillator
Period 16

Rich's p16 is a period 16 oscillator discovered by Rich Holmes. It features a symmetrical pattern that oscillates with a cycle of 16 generations.

Discoverer: Rich Holmes

Rich's p16

oscillator
Period 16

Rich's p16 is an oscillator that was synthesized using gliders. It is known for its period of 16.

Discoverer: Rich Holmes
Year: 2013

Riley's breeder

gun

Riley's breeder is a small MMS breeder pattern that was discovered in July 2006. It is known for its ability to produce moving objects indefinitely.

Discoverer: Mitchell Riley
Year: 2006

Ring of Fire

oscillator
Period 2

A large period 2 oscillator known as a muttering moat, discovered in 1992.

Discoverer: Dean Hickerson
Year: 1992

R-loaf

still life

A small induction coil pattern in Conway's Game of Life.

R-mango and house

still life

R-mango and house is a still life pattern in Conway's Game of Life, consisting of a mango and a house component.

Rotated C

oscillator
Period 2

Rotated C is a small oscillator pattern in Conway's Game of Life.

Roteightor

oscillator
Period 8

Roteightor is a period 8 oscillator that was discovered by Robert Wainwright in 1972. It is known for its rotational symmetry.

Discoverer: Robert Wainwright
Year: 1972

Roteightor Synthesis

oscillator
Period 8

A glider synthesis pattern for the Roteightor, an oscillator in Conway's Game of Life.

Discoverer: Martin Grant

Roteightor Extension

oscillator

An extension of the roteightor pattern, which is an oscillator in Conway's Game of Life.

R-pentomino

methuselah

A methuselah pattern in Conway's Game of Life that evolves for 1103 generations before stabilizing.

Discoverer: John Conway
Year: 1970

R-pentomino synthesis

methuselah

The R-pentomino synthesis is a glider synthesis pattern that creates the R-pentomino, a well-known methuselah pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Rumbling river 1

oscillator
Period 3

A period 3 oscillator known for its distinctive 'rumbling' appearance, discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1994

Sailboat

oscillator
Period 16

Sailboat is a period 16 oscillator composed of a boat hassled by a Kok's galaxy, a figure eight, and two eater 3s. It was discovered by Robert Wainwright in June 1984.

Discoverer: Robert Wainwright
Year: 1984

4-engine Cordership

spaceship

The 4-engine Cordership is a type of spaceship in Conway's Game of Life, known for its minimal population of 134 cells. It was discovered by David Bell in 2005.

Discoverer: David Bell
Year: 2005

4-engine Cordership

spaceship

The 4-engine Cordership is a type of spaceship in Conway's Game of Life, known for its minimal population of 136 cells. It was discovered by David Bell in 2005.

Discoverer: David Bell
Year: 2005

Sawtooth 1

methuselah

Sawtooth 1 is the first sawtooth pattern ever constructed in Conway's Game of Life. It was created by Dean Hickerson and features an expansion factor of 21.

Discoverer: Dean Hickerson
Year: 1991

Sawtooth 1163

methuselah

An orthogonal sawtooth pattern with external timing and an expansion factor roughly equal to 2. It operates by burning the blinkers emitted by a blinker puffer 1.

Discoverer: David Bell
Year: 1992

Sawtooth 177

methuselah

A sawtooth pattern with a minimal repeating population of 177, known for its fluctuating population dynamics.

Discoverer: thunk
Year: 2015

Sawtooth 181

oscillator

Sawtooth 181 is a pattern that exhibits a sawtooth growth in population, with a minimum population of 181. It was discovered by Chris Cain in 2015.

Discoverer: Chris Cain
Year: 2015

Sawtooth 1846

oscillator

Sawtooth 1846 is a pattern in Conway's Game of Life that exhibits a sawtooth growth pattern with an expansion factor of 25. It was discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1992

Sawtooth 2

oscillator

Sawtooth 2 is a sawtooth pattern that uses 180-degree glider reflections from a Cordership. It features a single p8 figure-8 reflector to manage glider interactions.

Discoverer: David Bell
Year: 2005

Sawtooth 201

oscillator

Sawtooth 201 is a pattern in Conway's Game of Life that exhibits a sawtooth growth pattern, with its population periodically returning to 201. It asymptotically approaches an expansion factor of 47.

Sawtooth 260

oscillator

A sawtooth pattern with a minimum repeating population of 260, discovered by David Bell.

Discoverer: David Bell
Year: 2010

Sawtooth 262

methuselah

A sawtooth pattern with a minimum repeating population of 262, discovered by David Bell.

Discoverer: David Bell
Year: 2005

Sawtooth 269

methuselah

Sawtooth 269 is a sawtooth pattern in Conway's Game of Life that has a minimum repeating population of 269. It was created by David Bell.

Discoverer: David Bell
Year: 2005

Sawtooth 3-Moving

oscillator

A moving sawtooth pattern with a repeating minimum population of 1239 cells, discovered by David Bell.

Discoverer: David Bell
Year: 2005

Sawtooth 362

oscillator

Sawtooth 362 is a diagonal sawtooth pattern with a minimum repeating population of 362. It was discovered by David Bell in 1992.

Discoverer: David Bell
Year: 1992

Sawtooth 562

methuselah

An orthogonal sawtooth pattern with an expansion factor of 6, discovered by Dean Hickerson and Tim Coe.

Discoverer: Dean Hickerson and Tim Coe
Year: 1992

Sawtooth 633

methuselah

Sawtooth 633 is a sawtooth pattern in Conway's Game of Life that exhibits a fluctuating population with a minimum repeating population of 633. It was discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1992

Sawtooth 6b

oscillator

Sawtooth 6b is a sawtooth pattern in Conway's Game of Life that exhibits periodic fluctuations in population size. It is notable for being one of the smallest known sawtooth patterns by population.

Discoverer: David Bell
Year: 2004

Schick engine

spaceship
Period 12

An orthogonal period 12 c/2 tagalong pattern discovered by Paul Schick.

Discoverer: Paul Schick
Year: 1972

Schick engine synthesis

spaceship

A glider synthesis pattern for the Schick engine, a known spaceship in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Scorpion

still life

A 16-cell still life pattern in Conway's Game of Life.

Scorpion Synth

spaceship

The Scorpion Synth is a glider synthesis pattern for creating the Scorpion, a known spaceship in Conway's Game of Life.

Discoverer: Dean Hickerson

Scot's p5

oscillator
Period 5

Scot's p5 is a period 5 oscillator discovered by Scot Ellison in 2008.

Discoverer: Scot Ellison
Year: 2008

Scrubber

oscillator
Period 2

Scrubber is a period 2 oscillator that was discovered in 1971. It is known for its simple and symmetrical structure.

Year: 1971

Scrubber synthesis

oscillator

A 10-glider synthesis of the scrubber pattern, which is a known pattern in Conway's Game of Life.

Scrubber with blocks

spaceship
Period 3

Scrubber with blocks is a pattern that includes a spaceship interacting with blocks. It is known for its dynamic behavior.

Seal

spaceship
Period 6

The Seal is the first known c/6 diagonal spaceship in Conway's Game of Life, with a period of 6.

Discoverer: Nicolay Beluchenko

Seal tagalong

spaceship

Seal tagalong is a spaceship pattern that was discovered by Nicolay Beluchenko. It is an extension of the Seal spaceship.

Discoverer: Nicolay Beluchenko
Year: 2005

Semi-snark

oscillator
Period 2

A Spartan conduit that reflects every other glider, discovered in July 2013.

Discoverer: Guam
Year: 2013

Sesquihat

still life

A 13-cell still life that is roughly halfway between a hat and twin hat.

Sesquihat Synth

still life

A glider synthesis pattern for the still life known as sesquihat.

Shillelagh

still life

Shillelagh is a common 8-cell still life pattern in Conway's Game of Life.

Shillelagh Synth

still life

A glider synthesis pattern for creating shillelaghs, discovered by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Ship

still life

The Ship is a common 6-cell still life pattern in Conway's Game of Life.

Ship synthesis

spaceship

A glider synthesis pattern that constructs spaceships using a minimal number of gliders.

Discoverer: Mark D. Niemiec

Ship in a bottle

oscillator
Period 16

A period 16 oscillator that was discovered by Bill Gosper in August 1994. It features a 'ship' pattern enclosed within a larger structure, resembling a ship in a bottle.

Discoverer: Bill Gosper
Year: 1994

Ship maker

gun
Period 4

A period 4 diagonal lightspeed fuse that creates spaceships as it burns.

Ship on bipole

oscillator
Period 2

Ship on bipole is a pattern that combines a spaceship (ship) with a bipole oscillator. It is a small and simple pattern.

Ship on bipole

oscillator
Period 2

The 'Ship on bipole' is a pattern that combines a spaceship (ship) with a bipole oscillator. It is known for its glider synthesis.

Ship on long boat

still life

Ship on long boat is a 13-cell still life pattern in Conway's Game of Life.

Ship on Long Boat

still life

The 'Ship on Long Boat' is a still life pattern in Conway's Game of Life, consisting of a ship attached to a long boat. It is known for its stability and can be synthesized using gliders.

Ship on quadpole

oscillator
Period 2

A period 2 oscillator made up of a ship diagonally touching a quadpole.

Ship on Quadpole

spaceship
Period 4

Ship on Quadpole is a pattern that involves a spaceship (ship) interacting with a quadpole. It is known for its glider synthesis.

Ship-tie

still life

A simple 12-cell still life pattern.

Ship-tie synthesis

still life

A glider synthesis pattern for creating ship-ties, which are a type of still life pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

short-thin

uncategorized

The 'short-thin' pattern is likely a reference to a specific type of spaceship or oscillator with minimal width, but further details are not provided.

Short keys

oscillator
Period 3

Short keys is a period 3 oscillator that exhibits a symmetrical pattern with a compact form.

Discoverer: Dean Hickerson

Short keys

still life

Short keys is a pattern in Conway's Game of Life that can be synthesized with 10 gliders.

Discoverer: Jason Summers

Shuriken

still life

Shuriken is a still life pattern in Conway's Game of Life, resembling a throwing star.

Sidecar

spaceship
Period 4

An orthogonal period 4 c/2 tagalong for the heavyweight spaceship.

Discoverer: Hartmut Holzwart
Year: 1992

Sidecar Synth

spaceship

A glider synthesis pattern for the sidecar spaceship, created by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Sidecar eater

still life

A pattern that is capable of eating a sidecar spaceship.

Sidecar gun

gun

The Sidecar gun is a true period 60 gun that was created by Jason Summers. It is notable for its ability to produce spaceships periodically.

Discoverer: Jason Summers
Year: 2000

Sidewalk

still life

A 14-cell still life pattern in Conway's Game of Life.

Sidewalk Synth

spaceship

A glider synthesis pattern for creating the sidewalk pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Siesta

oscillator
Period 5

Siesta is a period 5 oscillator that was discovered by David Buckingham in 1973. It is known for its unique and compact structure.

Discoverer: David Buckingham
Year: 1973

signal-turns-and-fizzles

uncategorized

The pattern 'signal-turns-and-fizzles' is not a well-documented or standardized pattern in Conway's Game of Life. It appears to involve complex interactions that may result in a signal being altered or dissipated.

Silver's p5

oscillator
Period 5

Silver's p5 is a period 5 oscillator discovered by Stephen Silver in February 2000.

Discoverer: Stephen Silver
Year: 2000

Silver's p5

oscillator
Period 5

Silver's p5 is an oscillator with a period of 5, discovered by Mark D. Niemiec. It is known for its glider synthesis.

Discoverer: Mark D. Niemiec

Silver's reflector

still life

Silver's reflector is a stable reflector pattern in Conway's Game of Life that reflects gliders at 180 and 90 degrees. It is notable for being the smallest and fastest spartan stable reflector and glider duplicator as of its discovery.

Discoverer: Stephen Silver
Year: 1998

Simkin glider gun

gun

The Simkin glider gun is a true period 120 glider gun that was discovered in 2015. It is notable for being a compact and efficient glider gun.

Discoverer: Michael Simkin
Year: 2015

Single-channel Spiral Growth

gun
Period 262144

A complex pattern in Conway's Game of Life that demonstrates spiral growth using a single-channel Snark recipe. It has a very large period of 262144 ticks.

Discoverer: Dave Greene
Year: 2017

Six Ls

oscillator
Period 3

A period 3 oscillator that has the same rotor as the loading dock.

Sixty-nine

oscillator
Period 4

Sixty-nine is a period 4 oscillator discovered by Robert Wainwright in October 1978.

Discoverer: Robert Wainwright
Year: 1978

Skewed pre-pulsar

oscillator

An unstable pattern that evolves similarly to a pre-pulsar but does not stabilize into a regular pulsar form.

Skewed quad

oscillator
Period 2

A period 2 oscillator that features a muttering moat structure.

Skewed Quad Synthesis

still life

A glider synthesis pattern for creating a skewed quad configuration in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Skewed traffic light

oscillator
Period 3

Skewed traffic light is a period 3 oscillator that was discovered by Robert Wainwright in 1989. It is a variation of the traffic light pattern, with a skewed arrangement.

Discoverer: Robert Wainwright
Year: 1989

Skew R-bees

oscillator
Period 4

Skew R-bees is a small oscillator pattern in Conway's Game of Life.

slide-breeder

gun

A breeder pattern that utilizes slide-gun technology to produce an ever-growing number of spaceships or other patterns. It is part of Jason Summers' slide-gun collection.

Discoverer: Makoto Kohno
Year: 2002

Slide gun

gun

The Slide gun is a diagonal glider gun that was constructed by Jason Summers. It produces gliders that travel diagonally across the grid.

Discoverer: Jason Summers
Year: 1999

slow-salvo MWSS oscillator

oscillator
Period 3600

A period 3600 oscillator constructed using a slow salvo of gliders to create a closed loop of MWSS converters.

Year: 2017

slow-salvo-eater-recipes

still life

This pattern consists of asynchronous slow-salvo glider constructions that create four orientations of a fishhook eater. It was discovered by Paul Chapman using a search program called 'Glue'.

Discoverer: Paul Chapman
Year: 2003

Slow puffer 1

spaceship
Period 744

An orthogonal period 744 c/2 puffer that outputs a single blinker once every 744 generations.

Discoverer: David Bell

Slow puffer 2

spaceship
Period 240

An orthogonal period 240 c/2 puffer that moves fast but creates relatively little debris.

Discoverer: David Bell

rake based on Slow Puffer 2

spaceship

A rake pattern that utilizes the Slow Puffer 2 to emit spaceships. Rakes are patterns that move and leave behind a trail of spaceships.

487-tick reflector

oscillator
Period 487

A stable glider reflector with a repeat time of 487 ticks, allowing it to reflect gliders in Conway's Game of Life.

Discoverer: Adam P. Goucher
Year: 2009

Smaller newshuttle

oscillator
Period 28

The Smaller newshuttle is a period 28 oscillator and was the second such oscillator to be discovered. It is a variation of the newshuttle pattern.

Discoverer: David Buckingham

Period-61 glider gun

gun

A glider gun that emits gliders with a period of 61 generations. It was discovered in 2016 and is notable for its unique period.

Discoverer: Luka Okanishi
Year: 2016

smallest-low-period

spaceship

A collection of spaceships with periods less than 32, each chosen to minimize population.

Small lake

still life

Small lake is a 20-cell still life pattern in Conway's Game of Life.

Small Lake

still life

Small Lake is a still life pattern in Conway's Game of Life. It is composed of a simple arrangement of cells that remains static over time.

Small lake variants

still life

Small lake variants are two variations of the Small lake still life pattern in Conway's Game of Life.

Small still lifes

still life

A collection of the 100 smallest still life patterns in Conway's Game of Life. Still lifes are stable patterns that do not change from one generation to the next.

Smiley

oscillator
Period 8

Smiley is a period 8 oscillator that was discovered by Achim Flammenkamp in July 1994. It features a symmetrical pattern that resembles a smiling face.

Discoverer: Achim Flammenkamp
Year: 1994

Smiley synthesis

still life

A 28-glider synthesis of the smiley pattern, which is a playful arrangement resembling a smiley face.

Discoverer: Jason Summers

Snacker

oscillator
Period 9

A period 9 oscillator consisting of a pentadecathlon with stabilizers that force it into a lower period.

Discoverer: Mark Niemiec

Snacker 2

oscillator
Period 9

A period 9 oscillator consisting of two pentadecathlons with stabilizers that reduce their period.

Discoverer: Dean Hickerson

Snacker synthesis

still life

A glider synthesis pattern for the snacker, which is a specific configuration in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Snacker on 38P7.2

oscillator
Period 63

A small non-trivial period 63 oscillator that combines a Snacker with the 38P7.2 oscillator.

Snail

spaceship
Period 5

The Snail is the first c/5 orthogonal spaceship discovered. It has a period of 5 and was found in January 1996.

Discoverer: Tim Coe
Year: 1996

Snake

still life

A common 6-cell still life pattern in Conway's Game of Life.

Snake Synth

still life

A glider synthesis pattern for creating snakes, a type of still life, using gliders.

Discoverer: Mark D. Niemiec

Snake bridge snake

still life

A 12-cell still life composed of two diagonally-touching snakes.

Snake bridge snake synthesis

still life

A glider synthesis pattern that constructs a snake bridge snake, a still life pattern in Conway's Game of Life.

Snake dance

oscillator
Period 3

Snake dance is a period 3 oscillator that was discovered by Robert Wainwright in May 1972. It features a dynamic movement resembling a snake's slithering.

Discoverer: Robert Wainwright
Year: 1972

Snake pit

oscillator
Period 2

A period 2 oscillator with the same rotor as fore and back.

Snake pit 2

oscillator
Period 3

Snake pit 2 is a period 3 oscillator in Conway's Game of Life.

Snake pit 2 synthesis

still life

A glider synthesis pattern for the snake pit 2 configuration in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Snake siamese snake

still life

A 10-cell still life composed of two snakes.

Snake siamese snake

still life

A still life pattern formed by two snakes connected together. It is notable for its synthesis using gliders.

Discoverer: Mark D. Niemiec

Snake with feather

still life

A small 11-bit still life pattern in Conway's Game of Life.

Snark

still life

The Snark is the fastest and smallest known stable 90-degree glider reflector, discovered in 2013.

Discoverer: Mike Playle
Year: 2013

Snark synthesis

still life

A pattern demonstrating the continuous synthesis of the Snark, a type of conduit used in glider logic circuits.

Discoverer: Ivan Fomichev

Snark Catalyst Variants

still life

This pattern consists of four variants of the Snark catalyst, each offering different clearance improvements. The original was created by Mike Playle, with subsequent variants by Shannon Omick, Heinrich Koenig, and Simon Ekstrom.

Snorkel loop

still life

A 12-cell still life pattern in Conway's Game of Life.

Snorkel loop synthesis

oscillator

A six-glider synthesis of the snorkel loop pattern, which is a known oscillator in Conway's Game of Life.

Sombreros

oscillator
Period 6

Sombreros is a period 6 oscillator that was discovered in 1972. It consists of two symmetrical halves that can be adjusted to form a period 4 oscillator.

Discoverer: David Buckingham
Year: 1972

spacefiller

spaceship

Spacefillers are patterns that grow to fill space at a density of 1/2, expanding at the maximum possible speed of c/2 in all four directions.

Spacefiller 1

spaceship

Spacefiller 1 is a pattern that expands indefinitely, filling space as it evolves. It was once the smallest known spacefiller.

Discoverer: David Bell

Spacefiller 2

methuselah

A spacefiller pattern that fills space with zebra stripes.

Discoverer: Tim Coe

Space rake

spaceship
Period 20

An orthogonal period 20 c/2 forward glider rake that produces gliders as it moves.

spaceship-types

spaceship

A theoretical discussion on the types of spaceships in Conway's Game of Life, focusing on their displacement and period relationships.

Spaghetti Monster

spaceship
Period 7

The Spaghetti Monster is the first discovered 3c/7 orthogonal spaceship in Conway's Game of Life.

Discoverer: Tim Coe

Spark coil

oscillator
Period 2

Spark coil is a period 2 oscillator that was discovered in 1971. It is known for its simple and symmetrical structure.

Year: 1971

Spark coil synthesis

oscillator

A glider synthesis pattern for creating spark coils, which are known for their ability to emit sparks in cellular automata.

Discoverer: Mark D. Niemiec

Sparky

spaceship
Period 4

Sparky is an orthogonal c/4 period 4 tagalong pattern in Conway's Game of Life.

S-pentomino

still life

The S-pentomino is one of the twelve pentominoes, which are shapes made up of five connected squares. It is a simple pattern that does not evolve in Conway's Game of Life.

spider rake

spaceship
Period 360

The spider rake is a complex pattern where nine gliders travel in a figure-8 loop, interacting with c/5 spiders to produce a large period spaceship. It involves a Herschel that is guided to produce a glider with the correct parity.

Spider

spaceship
Period 5

Spider is a c/5 period 5 orthogonal spaceship, notable for being the smallest known c/5 spaceship.

Discoverer: David Bell
Year: 1997

Spiral

still life

A 20-cell still life consisting of a tub with four tails.

Discoverer: Robert Wainwright

Squaredance

oscillator
Period 2

Squaredance is a period 2 agar pattern in Conway's Game of Life, consisting of repeating blocks that form a grid-like structure.

spaceship eaters

still life

A collection of patterns that can absorb spaceships like MWSS and HWSS without being destroyed. These patterns are stable and were discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1997

Stairstep hexomino

still life

The Stairstep hexomino is one of the 35 hexominoes and acts as a predecessor to the blockade pattern.

Star

oscillator
Period 3

The Star is a period 3 oscillator that was discovered in 1993. It features a symmetrical pattern that cycles every three generations.

Discoverer: Hartmut Holzwart
Year: 1993

Star synthesis

oscillator
Period 3

A 20-glider synthesis of the period 3 star pattern, which is an oscillator.

Discoverer: Jason Summers

Star Gate

oscillator
Period 28

Star Gate is a pattern that advances lightweight spaceships by 30 cells over 28 generations.

Discoverer: Dieter Leithner

Star gate with lightweight spaceships

spaceship
Period 28

A pattern that advances lightweight spaceships by 30 cells over 28 generations.

Discoverer: Dieter Leithner

Star with blocks

oscillator
Period 3

A period 3 oscillator that is a modification of the star pattern.

Statorless p5

oscillator
Period 5

Statorless p5 is a period 5 oscillator discovered by Josh Ball in 2016. It is notable for its lack of a stator, which is uncommon among oscillators.

Discoverer: Josh Ball
Year: 2016

Stillater

oscillator
Period 3

Stillater is a period 3 oscillator that was discovered by Robert Wainwright in September 1985. It is known for its unique movement and transformation over its cycle.

Discoverer: Robert Wainwright
Year: 1985

stillater synthesis

still life

A glider synthesis of the stillater, a known still life pattern in Conway's Game of Life.

Discoverer: gmc_nxtman

Still lifes

still life

Still lifes are stable patterns in Conway's Game of Life that do not change from one generation to the next. They are a fundamental category of patterns, often used as building blocks in larger constructions.

Discoverer: Jason Summers

Still life tagalong

spaceship
Period 4

An orthogonal c/2 period 4 spaceship that pulls a pond.

Stripey

still life

Stripey is a large still life pattern created by Gabriel Nivasch. It features a repetitive stripe-like structure.

Discoverer: Gabriel Nivasch

Superfountain

oscillator
Period 4

Superfountain is a period 4 oscillator with a distinctive sparker that features a lone spark separated from the main body by two rows of dead cells.

Discoverer: Noam Elkies

Super loaf

still life

The Super loaf is a variation of the loaf still life pattern, which is a stable configuration that does not change over time.

Super mango

still life

Super mango is a 15-bit still life pattern in Conway's Game of Life.

Surprise

oscillator
Period 3

Surprise is a period 3 oscillator that was discovered in 1972. It is known for its unique and unexpected evolution over its cycle.

Discoverer: David Buckingham
Year: 1972

Swan

spaceship
Period 4

Swan is a diagonal period 4 c/4 spaceship that produces useful sparks.

Discoverer: Tim Coe

Swan boatstretcher

spaceship

The Swan boatstretcher is a pattern based on Tim Coe's swan, discovered by Noam Elkies. It is a type of spaceship that stretches a boat as it moves.

Discoverer: Noam Elkies
Year: 1996

Swan weld goose

still life

A pattern featuring a swan and a Canada goose that have been welded together.

Discoverer: Gabriel Nivasch

swimmer2

spaceship
Period 3450

A switch engine pattern that moves in a lane made of boats, capable of using various boundary configurations.

Discoverer: David Bell
Year: 2005

Swine

oscillator
Period 5

Swine is an extensible period 5 oscillator. Its name is short for Scot's p5 With INsErt.

Discoverer: Scot Ellison

switch-engine breeder

gun

A pattern that uses a switch engine to create a breeder, leading to a quadratically expanding population. This version is a nonstandard 'Blockish' construction.

Discoverer: Mitchell Riley
Year: 2006

switch-engine-breeder

spaceship

A puffer train that creates switch engines, leading to quadratic growth. It produces a new block-laying switch engine every 80 generations.

Discoverer: Helmut Postl
Year: 1997

Switch engine ping-pong

methuselah

A pattern known for exhibiting quadratic population growth, it is the smallest known pattern with this property as of June 2018.

Discoverer: Michael Simkin
Year: 2014

Switch engine

methuselah

A methuselah with a lifespan of 3911 that can be used to make c/12 diagonal puffers and spaceships.

Discoverer: Charles Corderman

Switch Engine Synthesis

spaceship

A 3-glider synthesis of an unstabilized switch engine, which is a small spaceship.

Discoverer: Luka Okanishi
Year: 2017

Switch engine ping-pong

methuselah

A pattern known for exhibiting quadratic population growth, discovered by Michael Simkin. It is notable for being the smallest known pattern with this property as of December 2014.

Discoverer: Michael Simkin
Year: 2014

Switchwave

oscillator

Switchwave is a large, complex oscillator pattern in Conway's Game of Life. It features a repeating wave-like structure that oscillates over a large area.

Symmetric scorpion

still life

A 16-cell still life pattern known for its symmetric shape.

Syntheses of c/2 Spaceships

spaceship
Period 2

This pattern includes the syntheses of various c/2 spaceships for which glider recipes are known, such as the LWSS, MWSS, HWSS, and others.

Syringe

still life

A fast and compact glider-to-Herschel converter used in constructing complex patterns.

Discoverer: Tanner Jacobi

Syringe

still life

A fast and compact glider-to-Herschel converter used in constructing complex patterns.

Discoverer: Tanner Jacobi

syringe G-to-H synthesis

still life

A glider synthesis pattern for creating the syringe, a known conduit in Conway's Game of Life.

Discoverer: Martin Grant, gmc_nxtman

Table

still life

Table is a simple induction coil used in various larger patterns.

Table and dock

still life

Table and dock is a still life pattern in Conway's Game of Life, consisting of a table and a dock structure.

Table on table

still life

A 12-cell still life pattern made up of two table shapes stacked on top of each other.

Table on table

still life

Table on table is a pattern that involves the synthesis of tables using gliders. It is a complex pattern that showcases interactions between multiple gliders.

Discoverer: Mark D. Niemiec

Tail

still life

A tetromino often attached to still lifes to create larger still lifes.

Tanner's p46

oscillator
Period 46

A period 46 oscillator discovered by Tanner Jacobi in October 2017.

Discoverer: Tanner Jacobi
Year: 2017

Tanner's p46 synthesis

oscillator
Period 46

A 19-glider synthesis of Tanner's p46, an oscillator pattern in Conway's Game of Life.

Discoverer: Mark Niemiec

Teardrop

methuselah

An induction coil that evolves into two beehives after 20 generations.

Teardrop Synth

methuselah

The Teardrop Synth is a synthesis pattern for creating teardrop shapes using gliders in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Technician

oscillator
Period 5

Technician is a period 5 oscillator discovered by David Buckingham in January 1973.

Discoverer: David Buckingham
Year: 1973

Teeth

methuselah

Teeth is a quadratic growth pattern in Conway's Game of Life, known for its ability to expand indefinitely over time.

Discoverer: Nick Gotts
Year: 2000

temp-pulsars-big-s

methuselah

A methuselah pattern that evolves over 21035 generations, producing temporary pulsars and a 'big S' still life. It was discovered by Paul Callahan in 1997.

Discoverer: Paul Callahan
Year: 1997

Test tube baby

oscillator
Period 2

Test tube baby is a period 2 oscillator in Conway's Game of Life.

Test tube baby

still life

Test tube baby is a pattern in Conway's Game of Life that can be synthesized using gliders. It is known for its unique structure and synthesis method.

Tethered rake

spaceship

A switch engine-based pattern that functions as a rake, producing spaceships or other objects as it moves.

Tetraloaf I

still life

Tetraloaf I is a still life pattern in Conway's Game of Life, characterized by its loaf-like shape.

Tetraplets

still life

Tetraplets are a collection of 22 distinct patterns, each consisting of four cells. They demonstrate various behaviors in Conway's Game of Life.

Tetrominoes

methuselah

Tetrominoes are a collection of all five possible shapes made from four connected cells. They are often used as initial configurations in Conway's Game of Life.

Thumb 1

oscillator
Period 9

Thumb 1 is a period 9 oscillator discovered by Dean Hickerson. It features a distinctive thumb-like shape in its oscillation cycle.

Discoverer: Dean Hickerson
Year: 1998

Thumb 2

oscillator

Thumb 2 is a thumb sparker pattern discovered by David Eppstein in June 2000.

Discoverer: David Eppstein
Year: 2000

Thunderbird

methuselah

Thunderbird is a methuselah pattern with a lifespan of 243 generations before stabilizing.

Thunderbird Synth

spaceship

A glider synthesis pattern for creating thunderbirds, a type of spaceship in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Time bomb

methuselah

An infinite-growth mechanism that is a predecessor of the diagonal period 384 c/12 glider-producing switch engine.

Discoverer: Doug Petrie

Titanic toroidal traveler

spaceship

A large and complex spaceship pattern that travels across a toroidal grid. It is known for its impressive size and structure.

Tlog(log(t)) growth

methuselah

A pattern that exhibits O(t log(log(t))) population growth, discovered by Alexey Nigin. It is notable for its unusual growth rate.

Discoverer: Alexey Nigin
Year: 2015

tlog(t) growth

methuselah

An infinitely growing pattern with growth rate O(tlog(t)), discovered by Dean Hickerson.

Discoverer: Dean Hickerson
Year: 1990

T-nosed p4

oscillator
Period 4

A period 4 oscillator with a distinctive T-shaped structure, discovered in 1989.

Discoverer: Robert Wainwright
Year: 1989

T-nosed p4 on 48P31

oscillator
Period 124

A small period 124 oscillator that combines a T-nosed p4 with the 48P31 oscillator.

T-nosed p4 on 56P27

oscillator
Period 108

The smallest known period-108 oscillator, combining a T-nosed p4 with a 56P27 oscillator.

T-nosed p6

oscillator
Period 6

The T-nosed p6 is a period 6 oscillator characterized by its distinctive T-shaped structure. It was discovered by Achim Flammenkamp in 1994.

Discoverer: Achim Flammenkamp
Year: 1994

Toad

oscillator
Period 2

A period 2 oscillator that is the second most common oscillator after the blinker.

Discoverer: Simon Norton

Toad Synth

oscillator
Period 2

A glider synthesis pattern for creating toads, which are a type of oscillator in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Toad flipper

oscillator
Period 60

A period 60 oscillator where a toad is repeatedly flipped by domino sparks.

Toad sucker

oscillator
Period 60

A period 60 oscillator that shifts a toad by applying domino sparks to it.

Toaster

oscillator
Period 5

Toaster is a period 5 oscillator that produces sparks similar to those of a lightweight spaceship.

Discoverer: Dean Hickerson
Year: 1992

Total aperiodic

methuselah

A pattern that evolves such that no cell in the plane becomes eventually periodic.

Discoverer: Bill Gosper

Total periodic

oscillator

A modification of the 'total aperiodic' pattern, created by Bill Gosper. It is an oscillator pattern.

Discoverer: Bill Gosper

T-pentomino

methuselah

The T-pentomino is one of the 12 pentominoes and is known for its chaotic evolution in Conway's Game of Life.

traffic-light hasslers

oscillator

Traffic-light hasslers are a collection of oscillators that interact with traffic lights in various ways, causing them to reappear nearby. They include standard traffic light hasslers and pre-pulsar hasslers.

Traffic Lights Extruder

gun

The Traffic Lights Extruder is a pattern that slowly creates an outward-growing crystal of traffic lights. It is a complex pattern that demonstrates the ability to generate repeating structures over time.

Discoverer: Jason Summers
Year: 2006

Traffic circle

oscillator
Period 100

A period 100 oscillator that works by hassling a traffic jam so that it moves around in a circle.

Traffic jam

oscillator
Period 25

Traffic jam is a reaction involving two traffic lights that interact and reappear after 25 generations with an additional 6 spaces between them.

Traffic light

oscillator
Period 2

A common period 2 oscillator made up of four blinkers.

Traffic Light Synth

oscillator
Period 3

A glider synthesis pattern for creating traffic lights in Conway's Game of Life.

Discoverer: Mark D. Niemiec

trans-barge with tail

still life

A 10-cell still life pattern in Conway's Game of Life.

Trans-barge with tail

still life

The Trans-barge with tail is a still life pattern in Conway's Game of Life. It is a variation of the barge with an additional tail segment.

Trans-beacon and cap

oscillator
Period 2

A period 2 oscillator that combines a beacon and a cap.

Trans-beacon and cap synthesis

still life

A glider synthesis pattern involving a trans-beacon and a cap. It demonstrates the construction of these still lifes using gliders.

Discoverer: Mark D. Niemiec

Trans-beacon and dock

oscillator
Period 2

A period 2 oscillator that combines a beacon and a dock.

Trans-beacon and dock synthesis

still life

A glider synthesis pattern that constructs a trans-beacon and a dock. It demonstrates the ability to create specific still life patterns using gliders.

Trans-beacon and table

oscillator
Period 2

A period 2 oscillator that combines a beacon and a table.

Trans-beacon and table synthesis

still life

A glider synthesis pattern that combines a trans-beacon and a table. It demonstrates the construction of these still lifes using gliders.

Discoverer: Mark D. Niemiec

Trans-block and long hook

still life

A 12-cell still life pattern consisting of a block and a long hook.

Trans-block and long hook synthesis

still life

This pattern represents a glider synthesis of a trans-block and a long hook, which are both still life patterns in Conway's Game of Life.

Trans-block and long hook eating tub

oscillator
Period 3

A period-3 oscillator, the trans version of the candlefrobra.

Discoverer: Robert Wainwright
Year: 1984

Trans-block and long hook eating tub synthesis

still life

A synthesis pattern using 12 gliders to create a specific still life configuration involving a trans-block, long hook, and tub.

Discoverer: Mark D. Niemiec

Trans-boat and dock

still life

Trans-boat and dock is a 15-cell still life pattern in Conway's Game of Life.

Trans-boat and table

still life

A small 11-bit still life pattern composed of a trans-boat and a table.

Trans-boat with nine

still life

Trans-boat with nine is an 11-cell still life pattern in Conway's Game of Life.

Trans-boat with nine

still life

The Trans-boat with nine is a still life pattern in Conway's Game of Life. It is a variation of the boat pattern with additional cells.

Trans-boat with tail

still life

A 9-cell still life pattern in Conway's Game of Life, featuring a boat with an additional tail segment.

Trans-boat with tail synthesis

still life

A glider synthesis pattern for creating the trans-boat with tail still life using gliders.

Discoverer: Mark D. Niemiec

trans-fuse with two tails

still life

A simple 10-cell still life pattern in Conway's Game of Life.

Trans-fuse with two tails

still life

Trans-fuse with two tails is a still life pattern that can be synthesized using gliders. It is a variation of the fuse pattern with additional tails.

Discoverer: Mark D. Niemiec

Trans-hook and R-bee

still life

A 14-cell still life composed of a bookend and a bun.

Trans-loaf with tail

still life

An 11-cell still life pattern in Conway's Game of Life, featuring a loaf with an additional tail segment.

Trans-loaf with tail

still life

The trans-loaf with tail is a still life pattern in Conway's Game of Life. It is a variation of the loaf pattern with an additional tail.

Discoverer: Mark D. Niemiec

Trans-long boat with tail

still life

A small 11-bit still life pattern in Conway's Game of Life.

Trans-mirrored R-bee

still life

A 14-cell still life made up of two buns facing each other.

Trans-mirrored R-bee synthesis

methuselah

A glider synthesis pattern for creating trans-mirrored R-bees, discovered by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Transparent block reaction

reaction

A reaction in which a B-heptomino passes through a block, demonstrating a transparent debris effect.

Discoverer: David Buckingham

Trans-queen bee shuttle

oscillator
Period 30

A period 30 oscillator that is a queen bee shuttle with its blocks offset.

Discoverer: Bill Gosper

Trans-R-bee and R-loaf

still life

A 15-cell still life pattern consisting of a trans-R-bee and an R-loaf.

Trans-rotated R-bee

still life

A 14-cell still life pattern in Conway's Game of Life.

Tredecapole

oscillator
Period 13

Tredecapole is an oscillator pattern in Conway's Game of Life that has a period of 13.

triangle greyship 1

spaceship

A spaceship pattern known as the 45-90-45-triangle greyship, utilizing period 2 technology except on the backslope.

Discoverer: Hartmut Holzwart
Year: 2005

triangle greyship 2

spaceship

A spaceship pattern with a triangular shape and a back slope of 1/4, discovered by Hartmut Holzwart.

Discoverer: Hartmut Holzwart
Year: 2005

Bi-block

still life

The Bi-block is a pseudo still life consisting of two blocks placed diagonally adjacent to each other.

Trice tongs

oscillator
Period 3

Trice tongs is a period 3 oscillator that was discovered by Robert Wainwright in February 1982.

Discoverer: Robert Wainwright
Year: 1982

Trice Tongs Synth

still life

A glider synthesis pattern for creating the 'trice tongs' still life configuration.

Discoverer: Mark D. Niemiec

Triple Snark Wick Extruder

gun
Period 262144

A complex pattern that uses single-channel construction arms to continuously extend three wicks using a 0-degree Snark recipe. It operates with a single glider stream stored in a double spiral.

Discoverer: Dave Greene
Year: 2017

Triple caterer

oscillator
Period 3

Triple caterer is a period 3 oscillator discovered by Dean Hickerson. It is known for its unique structure and behavior in Conway's Game of Life.

Discoverer: Dean Hickerson

Triple pseudo still life

still life

A 32-cell still life that can be broken down into three stable pieces, but not two.

Discoverer: Gabriel Nivasch
Year: 2001

Triplets

still life

Triplets are a set of five distinct polyplets in Conway's Game of Life.

Tripole

oscillator
Period 2

The Tripole is a period 2 oscillator, also known as the barberpole of length 3.

Tripole Synth

oscillator
Period 2

A glider synthesis of the tripole oscillator, which is a period 2 oscillator.

Discoverer: Mark D. Niemiec

Tritoad

oscillator
Period 3

Tritoad is a period 3 oscillator that was discovered by David Buckingham in October 1977.

Discoverer: David Buckingham
Year: 1977

True period 22 gun

gun

The first true period 22 gun, capable of producing gliders every 22 generations. It was discovered by David Eppstein in August 2000.

Discoverer: David Eppstein
Year: 2000

true period 24 glider gun

gun

A glider gun that emits gliders with a true period of 24 generations.

T-tetromino

methuselah

The T-tetromino is one of the five basic tetrominoes in Conway's Game of Life. It is known for its simple shape and is often used in demonstrations of pattern evolution.

Tub

still life

A very common 4-cell still life.

Tub Synth

still life

A glider synthesis pattern that creates a tub, a common still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Tubber

oscillator
Period 3

Tubber is a period 3 oscillator in Conway's Game of Life. It was discovered by Robert Wainwright and is known for its compact and symmetrical structure.

Discoverer: Robert Wainwright
Year: 1972

tubstretch-c124b

spaceship
Period 124

A c/124 pseudo tub-stretcher pattern discovered by Jason Summers. It is a type of spaceship pattern that moves across the grid.

Discoverer: Jason Summers
Year: 1999

Tub test tube baby

oscillator
Period 2

Tub test tube baby is a period 2 oscillator in Conway's Game of Life.

Tub test tube baby

still life

Tub test tube baby is a still life pattern that can be synthesized with 14 gliders. It is a combination of smaller still life components.

Tub with cis-tail

still life

Tub with cis-tail is a still life pattern that consists of a tub with an additional tail segment attached in a cis configuration.

Tub with extra long tail

still life

A small 11-bit still life pattern that features a tub with an extended tail structure.

Tub with long long tail

still life

A 10-cell still life pattern featuring a tub with an extended tail.

Tub with long long tail

still life

A still life pattern that features a tub with an extended tail. It is synthesized using gliders.

Discoverer: Mark D. Niemiec

Tub with long tail

still life

A 9-cell still life pattern that resembles a tub with an extended tail.

Tub with long tail

still life

The 'Tub with long tail' is a still life pattern in Conway's Game of Life. It is a variation of the tub with an extended tail.

Discoverer: Mark D. Niemiec

Tub with tail

still life

Tub with tail is an 8-cell still life pattern in Conway's Game of Life, characterized by a tub shape with an additional tail extension.

Tub with tail

still life

The 'Tub with tail' is a still life pattern in Conway's Game of Life, consisting of a tub with an additional tail cell. It is a simple and stable configuration.

Discoverer: Mark D. Niemiec

Tumbler

oscillator
Period 14

The Tumbler is the smallest known period 14 oscillator in Conway's Game of Life.

Discoverer: George Collins

Tumbler synthesis

oscillator
Period 14

A glider synthesis pattern that constructs the tumbler oscillator.

Discoverer: Mark D. Niemiec

Tumbling T-tetson

oscillator
Period 8

A period 8 oscillator consisting of two figure eights hassling a T-tetromino.

Discoverer: Robert Wainwright

Turing machine

methuselah

A pattern capable of Turing-complete computation, demonstrating the computational universality of Conway's Game of Life.

Discoverer: Paul Rendell
Year: 2000

Turning toads

oscillator
Period 4

Turning toads is an orthogonal period 4 wick pattern in Conway's Game of Life.

Discoverer: Dean Hickerson
Year: 1989

Turtle

spaceship
Period 3

Turtle is a period 3 c/3 orthogonal spaceship in Conway's Game of Life.

Discoverer: Dean Hickerson

Turtle with tagalong

spaceship
Period 3

An extensible tagalong for the c/3 orthogonal turtle spaceship.

Twin bees shuttle

oscillator
Period 46

The Twin bees shuttle is a period 46 oscillator and is the basis of all known period 46 oscillators.

Discoverer: Bill Gosper
Year: 1971

Twin bees shuttle synthesis

oscillator
Period 46

A glider synthesis of the twin bees shuttle, an oscillator pattern in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Twin bees shuttle interactions

oscillator

This pattern involves interactions between gliders, lightweight spaceships (LWSS), and middleweight spaceships (MWSS) catalyzed by a twin bees shuttle. It showcases complex dynamics and interactions in Conway's Game of Life.

Twin bees shuttles hassling blinker

oscillator
Period 92

The smallest known period-92 oscillator, consisting of twin bees shuttles interacting with a blinker.

Twin bees shuttle v2

oscillator
Period 46

An alternate stabilization of the period 46 twin bees shuttle oscillator.

Discoverer: David Bell, Bill Gosper and Heinrich Koenig

Twin hat

still life

A 17-cell still life pattern in Conway's Game of Life.

Twin Hat Synth

still life

A glider synthesis pattern for the twin hat still life, demonstrating how to construct it using gliders.

Twin prime calculator

gun

A pattern that produces a stream of lightweight spaceships representing the twin prime numbers.

Discoverer: Dean Hickerson
Year: 1994

twin prime generator

gun

The twin prime generator is a complex pattern that releases a lightweight spaceship (LWSS) past a p240 gun under specific conditions related to twin primes. It was designed to demonstrate a connection between cellular automata and number theory.

Discoverer: Dean Hickerson
Year: 1994

Twirling T-tetsons 2

oscillator
Period 60

A period 60 oscillator made up of a pre-pulsar hassled by killer toads.

Discoverer: Robert Wainwright

Twirling T-tetson II

oscillator
Period 60

A period-60 oscillator that was discovered by Robert Wainwright in 1989.

Discoverer: Robert Wainwright
Year: 1989

two-glider collisions

methuselah

A collection of patterns resulting from the collision of two gliders, demonstrating various outcomes such as still lifes, oscillators, and other transient patterns.

Discoverer: Jason Summers
Year: 2005

Two cis griddles with two tubs

still life

A still life pattern consisting of two cis griddles and two tubs. It is a stable formation that does not change over time.

Two eaters

oscillator
Period 3

A period 3 oscillator consisting of two eater 1s that interact with each other.

Discoverer: Bill Gosper
Year: 1971

Two eaters synthesis

still life

A glider synthesis pattern that constructs two eaters, a type of still life in Conway's Game of Life.

Discoverer: Mark D. Niemiec

Two-glider mess

methuselah

A methuselah pattern resulting from a two-glider collision, known for its long lifespan of 530 generations.

Two-glider mess synthesis

methuselah

A glider synthesis pattern that results in a complex configuration known as the two-glider mess.

Discoverer: Mark D. Niemiec

Two-glider syntheses

methuselah

A collection of all 71 distinct two-glider collisions, grouped by what they synthesize. It demonstrates the versatility of glider interactions in creating various patterns.

Discoverer: Jason Summers
Year: 2005

twin bees shuttle

gun

The smallest known period-60 gun, it uses two copies of the Gosper glider gun.

Discoverer: V. Everett Boyer and Doug Petrie

Two pre-L hasslers

oscillator
Period 16

The first period 16 oscillator to be found, discovered by Robert Wainwright in July 1983.

Discoverer: Robert Wainwright
Year: 1983

Two pulsar quadrants

oscillator
Period 3

Two pulsar quadrants is a period 3 oscillator that consists of two quadrants of a pulsar pattern.

Discoverer: David Buckingham
Year: 1973

Two Pulsar Quadrants Synthesis

oscillator
Period 3

A glider synthesis pattern that constructs two pulsar quadrants, which are parts of the well-known pulsar oscillator.

Two trans griddles with two tubs

still life

A still life pattern consisting of two trans griddles and two tubs. It is a stable formation that does not change over time.

Undecapole

oscillator
Period 2

The Undecapole is an oscillator pattern in Conway's Game of Life that consists of multiple interacting components.

Unicycle

oscillator
Period 6

Unicycle is a period 6 oscillator composed of four copies of the unix pattern.

Unicycle Synth

oscillator

A glider synthesis pattern for the unicycle, created by Mark D. Niemiec.

Discoverer: Mark D. Niemiec

Unidimensional four gliders

methuselah

A solid 56-by-1 rectangle that is the shortest solid rectangle to produce a glider.

Unidimensional infinite growth

methuselah

A pattern that exhibits infinite growth from a single row of live cells.

Discoverer: Paul Callahan

Unidimensional nothing

methuselah

A linear pattern that evolves and eventually dies out completely.

Discoverer: Paul Callahan
Year: 1998

Unidimensional pentadecathlon

oscillator
Period 15

A linear predecessor of the pentadecathlon, which is a well-known oscillator in Conway's Game of Life.

Unidimensional six gliders

spaceship

The smallest unidimensional pattern known to emit a glider.

Unidimensional tumbler

oscillator
Period 14

A 1-cell-thick pattern that evolves into a tumbler oscillator.

Discoverer: Paul Callahan
Year: 1998

Uninteresting p24

oscillator
Period 24

Uninteresting p24 is an oscillator with a period of 24. It is not widely known or notable.

Unique High-Period Oscillators

oscillator

A collection of high-period oscillators that do not rely on engineering techniques like hassling or Herschel conduits, compiled by Alan Hensel.

Discoverer: Alan Hensel
Year: 1999

Universal Turing Machine

methuselah

A complex pattern that simulates a universal Turing machine, demonstrating the computational universality of Conway's Game of Life.

Discoverer: Paul Rendell
Year: 2010

Unix

oscillator
Period 6

A period 6 oscillator that consists of two blocks eating a barge.

Discoverer: David Buckingham

Unix

spaceship
Period 6

The Unix pattern is a small spaceship in Conway's Game of Life, notable for its glider synthesis. It is a common pattern used in various constructions.

Unix on 41P7.2

oscillator
Period 42

A small non-trivial period 42 oscillator in Conway's Game of Life.

Up dove on dove

still life

Up dove on dove is an 18-bit still life pattern, notable for its compact and symmetrical structure.

U-pentomino

methuselah

The U-pentomino is one of the 12 pentominoes, a simple pattern consisting of five cells.

Up wing on wing

oscillator
Period 4

Up wing on wing is a small oscillator pattern in Conway's Game of Life.

Universal Turing Machine

other

The 'utm' pattern is a Universal Turing Machine designed in Conway's Game of Life. It demonstrates the computational universality of the Game of Life by simulating a Turing machine.

Discoverer: Paul Rendell
Year: 2000

vacuum-cleaner

gun

The vacuum-cleaner is a double p46 gun that pulls blocks and beehives. It was found by Dieter Leithner and is part of Jason Summers' 'jslife' collection.

Discoverer: Dieter Leithner
Year: 1997

Vacuum (gun)

gun

The Vacuum is a true period 46 double-barreled gun that was discovered by Dieter Leithner. It emits gliders in two directions every 46 generations.

Discoverer: Dieter Leithner
Year: 1997

Vacuum (gun) pulling

gun

A true period 46 gun that pulls blocks and beehives. It was discovered by Dieter Leithner.

Discoverer: Dieter Leithner

Vase siamese hat

still life

A 27-bit still life pattern that is the most common of its size on Catagolue.

Venetian blinds

oscillator
Period 2

Venetian blinds is a simple period 2 agar pattern in Conway's Game of Life.

Very long clock

oscillator
Period 2

The Very long clock is an oscillator pattern in Conway's Game of Life that has a period of 2. It is an extension of the clock pattern.

very long house

still life

The very long house is an induction coil used in Conway's Game of Life.

Very long integral

still life

The Very long integral is a still life pattern in Conway's Game of Life, characterized by its elongated shape resembling an integral symbol.

Very very long barge

still life

The Very very long barge is a large still life pattern that resembles an elongated barge.

Very very long boat

still life

The Very very long boat is a large still life pattern in Conway's Game of Life, resembling an elongated boat shape.

Very very long canoe

still life

The Very very long canoe is a still life pattern in Conway's Game of Life, characterized by its elongated shape.

Very very long ship

still life

The Very very long ship is a large still life pattern in Conway's Game of Life.

Very^3 long boat

still life

The Very^3 long boat is a large still life pattern in Conway's Game of Life, consisting of a series of connected boat shapes.

Very^3 long ship

still life

A 14-bit still life pattern in Conway's Game of Life.

Very^4 long boat

still life

A 15-bit still life pattern in Conway's Game of Life.

Very^4 long snake

still life

The Very^4 long snake is a large still life pattern resembling an elongated snake.

Very^5 long boat

still life

A 17-bit still life pattern in Conway's Game of Life, characterized by its elongated boat-like shape.

Very^6 long boat

still life

The Very^6 long boat is a large still life pattern in Conway's Game of Life, consisting of a series of connected 'boat' shapes.

Very^7 long boat

still life

The Very^7 long boat is an elongated still life pattern in Conway's Game of Life, consisting of a series of connected cells forming a boat-like shape.

Very^8 long boat

still life

The Very^8 long boat is an elongated still life pattern in Conway's Game of Life.

Very^9 long boat

still life

The Very^9 long boat is an elongated still life pattern in Conway's Game of Life, consisting of a series of connected cells forming a boat-like shape.

V gun

gun

The V gun is a true period 726 gun that produces 7-in-a-row Corderships. It was discovered by Dave Greene in 2003.

Discoverer: Dave Greene
Year: 2003

Voldiag

oscillator

Voldiag is a pattern in Conway's Game of Life that is known for its diagonal symmetry.

V-pentomino

methuselah

The V-pentomino is one of the twelve pentominoes and is known for its initial chaotic evolution in Conway's Game of Life.

Washerwoman

spaceship
Period 18

Washerwoman is an orthogonal 2c/3 period 18 fuse that burns tubs.

Discoverer: Earl Abbe

Washing Machine

oscillator
Period 2

A period 2 oscillator that was discovered by Robert Wainwright no later than June 1972.

Discoverer: Robert Wainwright
Year: 1972

Washing Machine Synth

oscillator

A glider synthesis pattern for the washing machine oscillator.

Discoverer: Mark D. Niemiec

Wasp

spaceship
Period 3

Wasp is an orthogonal c/3 period 3 spaceship discovered by David Bell in March 1998.

Discoverer: David Bell
Year: 1998

Wavefront

oscillator
Period 4

Wavefront is a period 4 oscillator that was discovered by David Buckingham. It features a dynamic pattern that repeats every four generations.

Discoverer: David Buckingham
Year: 1976

Waveguide 1

still life

Waveguide 1 is the first waveguide pattern discovered in Conway's Game of Life. It serves as a conduit for gliders, allowing them to travel through the pattern.

Discoverer: Tony Smithurst

Weekender Distaff

spaceship

The Weekender Distaff is a 2c/7 adjustable-period rake pattern. It can produce spaceships at various periods, depending on the configuration.

Discoverer: Ivan Fomichev
Year: 2014

Weekender

spaceship
Period 7

The Weekender is an orthogonal period 7 spaceship that moves at a speed of 2c/7.

Discoverer: David Eppstein

Weekender Synthesis

spaceship
Period 28

A 79-glider synthesis of the weekender spaceship, used in the construction of Cain's p444 weekender gun.

Discoverer: Chris Cain

Weekender Distaff

spaceship
Period 7

The Weekender Distaff is a 2c/7 adjustable-period rake pattern. It was constructed by Ivan Fomichev and can achieve various periods based on the formula (16982+224*n)/q.

Discoverer: Ivan Fomichev
Year: 2014

Weekender tagalong

spaceship
Period 7

A tagalong pattern for two period 7 orthogonal 2c/7 weekenders, discovered by Stephen Silver.

Discoverer: Stephen Silver
Year: 2000

Welded geese

still life

A pair of Canada geese that have been welded together, forming a unique pattern.

Discoverer: Stephen Silver

Why not

oscillator
Period 2

A period 2 oscillator found in July 1977 that is very similar to by flops.

Discoverer: David Buckingham
Year: 1977

Why not synthesis

oscillator
Period 2

A glider synthesis pattern for the 'why not' oscillator.

Discoverer: Mark D. Niemiec

wicks-DRH-2002

oscillator

A collection of wick patterns with various periods found on random tori. It includes previously known periods and potentially new discoveries.

Discoverer: Dean Hickerson
Year: 2002

Wickstretcher 1

spaceship

Wickstretcher 1 is the first known wickstretcher pattern, which extends a wick indefinitely.

Discoverer: Hartmut Holzwart and Dean Hickerson

Windmill

oscillator
Period 4

Windmill is a period 4 oscillator that was discovered by Dean Hickerson in November 1989. It features a symmetrical pattern that rotates around a central point.

Discoverer: Dean Hickerson
Year: 1989

Wing

still life

Wing is a small induction coil used in various larger patterns.

Wing extended

spaceship
Period 4

An extension of the wing spaceship, this pattern is a diagonal spaceship with a period of 4 and moves at a speed of c/4.

Discoverer: Hartmut Holzwart

Wing

spaceship
Period 4

The Wing is the first extensible c/4 diagonal spaceship with a period of 4. It was discovered in 1993.

Discoverer: Hartmut Holzwart
Year: 1993

Worker bee

oscillator
Period 9

A period 9 oscillator that was discovered in 1972.

Discoverer: David Buckingham
Year: 1972

Worker bee synthesis

oscillator
Period 9

The Worker bee synthesis is a glider synthesis pattern for creating the 'worker bee' oscillator, also known as the 'lonely bee'.

Discoverer: Mark D. Niemiec

W-pentomino

methuselah

The W-pentomino is one of the 12 pentominoes and is a small pattern in Conway's Game of Life.

x66

spaceship
Period 4

The x66 is a period 4 spaceship that moves orthogonally at a speed of c/2. It was discovered by Hartmut Holzwart in 1992.

Discoverer: Hartmut Holzwart
Year: 1992

x66_half

oscillator
Period 66

A partial version of the x66 oscillator, supported by a heavyweight spaceship.

x66

still life

The x66 is a pattern that can be synthesized with 13 gliders and is known for its interaction with a heavyweight spaceship (HWSS).

Discoverer: Chris Cain
Year: 2015

X-pentomino

methuselah

The X-pentomino is one of the 12 pentominoes, a small pattern that evolves over time in Conway's Game of Life.

Y-pentomino

methuselah

The Y-pentomino is one of the twelve pentominoes, which are shapes made up of five connected squares.

Z-hexomino

methuselah

The Z-hexomino is one of the 35 hexominoes and is known for its appearance in patterns like pentoad and Achim's p144.

zigzag-wickstretcher

spaceship
Period 2

The zigzag-wickstretcher is a spaceship pattern that extends a wick in a zigzag manner. It moves orthogonally at a speed of c/2.

Discoverer: Jason Summers
Year: 2006

Z-pentomino

methuselah

The Z-pentomino is one of the twelve pentominoes, a simple polyomino pattern consisting of five cells. It is known for its Z shape.

Zweiback

oscillator
Period 30

A period 30 oscillator in which two heavyweight volcanoes hassle a loaf.

Discoverer: Mark Niemiec