Conway's Game of Life

Click to toggle cells (black=alive, white=dead). Edges can wrap (torus) so patterns pass through. Rules: alive survives with 2–3 neighbours; dead becomes alive with exactly 3.

Wrap edges (torus) Sound (8-bit)

Random density: 30% Speed: 120 ms

Presets: Rotate Flip H Flip V Anchor row Anchor col

Author pack:

Text → Pattern (SHA-256): Symmetry (quad)

Export / Import JSON (copy / paste)

Exports a 40×40 grid (0/1). Import overwrites the board (values outside 40×40 are ignored).