Some patterns in Conway's Game of Life appear to travel across the board, by performing oscillations that recreate the same shape, displaced in some direction.

The three listed below all have a periodicity of 4.

Glider

The most famous, the first discovered, and by far the most common spaceship is the glider. Speed: C/4.

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Lightweight spaceship

Speed: C/2.

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Middleweight Spaceship

Speed: C/2.

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Heavyweight Spaceship

Speed: C/2.

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See Also

• Glossary (game of life)
• Cellular Automata
• Spaceships
• Oscillators
• Still Life
• Guns