Conway's Game of Life
Free online Conway's Game of Life simulator. Draw cells and watch them evolve under simple rules, with classic patterns including glider, pulsar and glider gun — on mobile and desktop.
Classic patterns
SpeedGeneration 0
💡 Click or drag to draw cells, then press Start to watch them evolve: 3 neighbours revive, 2-3 survive, others die
FAQ
What is the Game of Life?
It is a cellular automaton invented by mathematician John Conway: every cell evolves by fixed rules — with exactly 3 neighbours a dead cell comes alive, with 2 or 3 it survives, otherwise it dies. From such simple rules emerge gliders, pulsars and other complex patterns. No player input needed — just watch them evolve, surprisingly relaxing.
Can I draw my own patterns?
Yes. Click or drag on the grid to draw cells (while running or paused), then press Start to see how they evolve. You can also hit Random to sprinkle cells and see what emerges.
What is a glider gun?
It is the most famous classical pattern — it periodically fires gliders (small patterns that travel on their own) forever. Click the Glider Gun preset to watch it; try the fast speed to see the stream.