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the wiki for Conway's Game of Life.
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This week's featured article


1×N quadratic growth is a pattern found by Stephen Silver on April 20 2011; it is the first pattern discovered that starts out with the thickness of a single cell and has quadratic growth. It uses the breeder from Nick Gotts' 26-cell quadratic growth.

On November 6, 2014, Chris Cain completed a 14812×1 pattern that exhibits quadratic growth — and on November 10th he reduced this to 7242×1.

In the news

Archive@conwaylife on Twitter

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 Adam P. Goucher's distributed Catagolue soup-search project, started in February 2015, has already tested more random soups than any previous such project, and has contributed to the reduction of many glider construction recipes?
  • ... that any glider-constructible Life pattern can be constructed with a fixed maximum number of gliders N, probably less than 1000? It is only necessary to construct a sliding-block decoder, which self-destructs after converting the position of a far-distant block into a slow-salvo recipe that constructs the required pattern.
  • ... that Copperhead is not only the first c/10 orthogonal spaceship ever found, but also remarkably compact for a pattern not discovered until 2016?
  • ... that loafer is the fifth smallest non-flotilla spaceship, but was discovered 43 years after the four spaceships smaller than it?
  • ... that despite being the fourth smallest non-flotilla orthogonal spaceship, loafer has never appeared from a single randomly generated soup?
  • ... that all known glider eaters take at least four ticks to recover to their original state after eating a glider?
  • ... that the smallest 31c/240 spaceship does not make use of the 31c/240 reaction?
  • ... 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?          
Showing 10 items out of 92 More did you know...