Cellular Automata Lab

Simulation

10
100
Gen: 0 | Alive: 0 | Density: 0%

Draw Tool

1
2
1

Rule

Birth (B): click to toggle
Survive (S): click to toggle

Display

Controls: Click/drag to paint cells. Right-click/drag to erase. Scroll to zoom brush. Space = play/pause. Enter = step. C = clear. R = random fill. Choose a rule preset or edit Birth/Survive toggles for custom rules. Multi-state rules (Brian's Brain, Wireworld) use specialized update logic. Age mode colors cells by how long they've been alive; Heatmap shows recent activity.