Yes, completely free with no signup or ads.

Does my data leave my device?

No. The simulation runs entirely in your browser — nothing is ever uploaded to a server.

Does it work on mobile?

Yes. Touch and drag to draw cells on iOS Safari and Android Chrome.

Simulate Conway's Game of Life — draw cells and watch patterns evolve.

Generation

Live cells

Click or tap cells to toggle them alive (bright) or dead (dark). Drag to paint multiple cells. Or press Random for a seeded starting grid.
Press Play to start the simulation — each generation applies the birth/survival rules simultaneously to every cell.
Press Step to advance one generation at a time. Press Pause to stop, then edit cells and continue.

Is it free?: Yes, completely free with no signup or ads.
Does my data leave my device?: No. The simulation runs entirely in your browser — nothing is ever uploaded to a server.
Does it work on mobile?: Yes. Touch and drag to draw cells on iOS Safari and Android Chrome.

Last updated: 2026-05-20 By jarvisbox