Boom-compatible WAD for playing Conway's Game of Life Tested a bit in PrBoom+ and GzDoom.
Right now requires a hacked version of WadC to be built (http://github.com/pwiecz/wadc).
Pick a Boom-compatible Doom source port, such us PrBoom+, GzDoom, DSDA-Doom, Woof or one of many others.
Install Doom II e.g. from GOG or Steam.
Download conway.wad file from this repository.
Load the conway.wad into the Doom source port - e.g. to use PrBoom+ from you can run:
prboom-plus -complevel 9 -warp 1 -file conway.wad
Run over raised pedestals to make corresponding cells alive. Pull the switch to start the simulation.