Conway's game of life sandbox on p5.js with different grids
Best settings:
4 3 3 1 4 - classic rules
3 4 4 2 6 - triangle grid
6 2 2 2 5 - octagonal grid
5 3 4 2 5 - pentagonal grid
Editor on p5js.org: https://editor.p5js.org/Comissar/sketches/qaybAwuY
You can try it here: http://px3.org/lifebox/