Step
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alive
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🌱 Life Patterns
🔗
✕
🟦 Life Grid
🔺 Triangles
🌍 World
🌍 Conway's Life — classic
🌌 High Life — self-copying
🌿 Maze — labyrinth
💥 Seeds — pure explosion
🦠 Amoeba — pulsing blobs
🌙 Day & Night
🔮 34 Life — crystalline
✨ Replicator
✏️ Custom rules…
Every cell dies — but sparks its neighbours into life. Pure explosion.
Born when neighbours =
Survive when neighbours =
Click cells below to flip rule bits
Famous patterns
Rule 90
Sierpiński
Rule 30
Chaos
Rule 110
Turing
Rule 126
Complex
Rule 150
Fractal
Rule 184
Traffic
Rule 73
Nested
Rule 45
Irregular
Speed
14
Steps per second
Starting density
1
%
⟳ Wrap
✕ Dead edges
Direction of travel
↓
Down
↑
Up
→
Right
←
Left
Starting seed
⊙ Centre
🎲 Random
Seed density
35
%
Zoom
23
px
Or scroll the canvas to zoom, centred on cursor
Background colour
Gap between cells
0
px
🦠 Cells
Shape
■ Square
● Circle
◆ Diamond
▪ Rounded square
Colour
Single
Palette
Live cell colour
Blues
Reds & Oranges
Pinks
Warm Beige
Forest Greens
Ocean
Sunset
Camouflage
Purples
Neon
Pastels
Life Span
3
Steps a dead cell lingers and fades (0 = instant)
✏️ Draw & Place
✏️ Draw
🧹 Erase
Brush size
1
Stamp a creature (click to place)
🛸
Glider
⚡
Blinker
💫
Pulsar
🚀
Spaceship
🔫
Glider Gun
🌀
R-pentomino
0
⏱ Steps
0
🟦 Alive
0
🌱 Born
0
💀 Died
0
⏱ Rows
0
🟦 Alive
☰ Controls
▶ Play
⏭ Step
🎲 Randomise
✕ Clear
⬇ Save
↩ Exit