Underpopulation
A live cell with fewer than 2 live neighbours dies.
Conway's Cellular Automaton · 1970
A zero-player game where life emerges from simple rules. Watch patterns evolve, collide, and multiply in real time.
The Four Laws
A live cell with fewer than 2 live neighbours dies.
A live cell with 2 or 3 live neighbours lives on.
A live cell with more than 3 live neighbours dies.
A dead cell with exactly 3 live neighbours becomes alive.
Getting Started
Tap or drag across the grid to toggle cells alive or dead and create your seed.
Press play and watch each generation unfold from the four simple rules.
Pause, step forward, adjust speed, and load classic patterns from the menu.
Known Patterns
Start with a Glider, Blinker, or Gosper Glider Gun — classic patterns included.
Ready to Begin?
Every great pattern starts with a single living cell.