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Welcome to LifeWiki,
the wiki for Conway's Game of Life.
Currently contains 2,151 articles.
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This week's featured article

Gliderproducingswitchengine.png
The glider-producing switch engine (or glider-making switch engine) is a puffer that was found by Charles Corderman in the early 1970's. It consists of a switch engine reacting with blocks to produce various still lifes and a glider every 384 generations. It is the second most common naturally-occurring pattern that exhibits infinite growth, and is one of only two patterns that exhibits infinite growth (excluding interacting pairs of switch engines) that has been known to occur naturally (the other being the block-laying switch engine).

In the news

Pattern collection

The LifeWiki contains one of the most comprehensive catalogues of patterns available on the internet. Within it you will find:
Download.gif Download pattern collection
2 MB .zip archive containing the 1500+ RLE pattern files used on the wiki

Did you know...

  • ... that Gemini, the first spaceship found in Conway's Game of Life that travels in an oblique direction, was discovered in 2010?
  • ... that there are still lifes (such as the quad pseudo still life) that can be split into four stable islands, but not two or three?
  • ... that no new spaceship speeds were discovered after 1970 until 1989?
  • ... that the first stable reflector was found in October 1996, and the first fast stable reflector appeared in 2013, allowing the construction of oscillators of all periods ≥43 ticks?
  • ... that nineteen spaceship velocities have been constructed, excluding several infinitely adjustable families of ships?
  • ... that there are 71 distinct ways for two gliders to collide, but it is unknown how many distinct 3-glider collisions there are?
  • ... that to display the smallest known gun pattern for a Gemini spaceship at 1 cell = 1 pixel, on a standard-density video monitor, a screen over one mile square would be needed?
  • ... that no odd-period glider guns were known before 1995, when a period 565 p5-spark-assisted B-heptomino loop was constructed by David Buckingham?
  • ... that even though the speed limit for spaceships is c/2 in a vacuum, in a medium of stripes agar there are "spaceships" that can travel at lightspeed along the stripes, or two thirds of lightspeed perpendicular to the stripes?
  • ... that the smallest known spacefiller pattern consists of 183 cells?          
Showing 10 items out of 104 More did you know...