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Golly is an open source, cross-platform Game of Life simulator currently under development by Andrew Trevorrow and Tomas Rokicki. Our goal is to write a world-class Life simulator, solicit ideas and help from the planet's best Life hackers, and share some of our excitement.

  • Unbounded universe (limited only by memory).
  • Fast, memory-efficient conventional algorithm.
  • Super fast hashing algorithm for highly regular patterns.
  • Responsive even while generating or garbage collecting.
  • Reads RLE, Life 1.05/1.06, and macrocell formats.
  • Can paste in patterns from more...

What's New

Version 2.7:
  • The middle mouse button can now be used for panning, regardless of the current cursor mode.
  • Fixed potential crash when pasting a text pattern into any hash-based algorithm.
  • Fixed crash on Mac OS 10.9 when opening a modal dialog like Save Pattern.
  • Fixed crash on Windows 8 when opening the Set Rule dialog.
  • Fixed bug in QuickLife algorithm that could cause more...


  • OS X 10.6 or later

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5 3


Current Version (2.x)


Downloads 11,419
Version Downloads 231
Type Games / Simulation
License Free
Date 29 May 2015
Platform Intel 64 / OS X
Price Free
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