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Welcome to LifeWiki,
the wiki for Conway's Game of Life.
Currently contains 1,480 articles.
Overview · How to contribute · ConwayLife.com Image gallery · Popular pages · A–Z index

This week's featured article

Otcametapixel.png
The OTCA metapixel is a 2048 × 2048 period 35328 unit cell that was constructed by Brice Due from Fall 2005 through Spring 2006. It has many advantages over the previous-known unit cells such as the p5760 unit Life cell and deep cell, including the ability to emulate any Life-like cellular automaton and the fact that, when zoomed out, the ON and OFF cells are easy to distinguish. It is designed to run quickly under the HashLife algorithm, and thus Golly is generally used to view and/or manipulate meta-patterns made up of OTCA metapixels (and some such patterns even come packaged with Golly).

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 there is roughly one chance in 10^(N/3) that a still life appearing out of random soup will have a population of exactly N cells?
  • ... that the number of still lifes with N+1 bits is roughly 2.48 times larger than the number of N-bit still lifes?
  • ... that the odds of a randomly-chosen 20x20 soup pattern being a methuselah that lasts between 1000N and 1000(N+1) ticks, is roughly the same as the odds that it will last any amount of time longer than 1000x(N+1) ticks?
  • ... that all still lifes up to 16 cells can be synthesized at a cost of less than one glider per cell?
  • ... that absolutely no elementary knightships have been discovered as of 2016, though there has been at least one very close call?
  • ... that there is a 6x2 counterexample to the Coolout Conjecture, proving that patterns that are internally compatible with stability can not always be made part of a larger still life, no matter what cells are added around the edges?
  • ... that a Conway's Life pattern representing a complete programmable 8-bit computer, consisting only of buckaroos, p60 glider guns, and glider duplicators, was completed in November 2016?
  • ... that whilst no very small knightships have been found at all in B3/S23, at least two naturally occurring reactions have been discovered in B38/S23 that travel in an oblique direction?
  • ... that not all 1.00 volatility oscillators are phoenixes, but volatility 1.00 period 2 oscillators must be phoenixes?
  • ... that no pattern inside a 6x6 bounding box is a Garden of Eden?          
Showing 10 items out of 92 More did you know...