Conway's Game of Life

Underpopulation: A live cell with fewer than 2 neighbors dies
Survival: A live cell with 2 or 3 neighbors survives
Overpopulation: A live cell with more than 3 neighbors dies
Reproduction: A dead cell with exactly 3 neighbors becomes alive

A cellular automaton simulation

Grid Size: 50

Initial Density: 15%

Speed: 10 fps

Generation: 0

The board wraps around (toroidal topology), so cells on edges connect to the opposite side.