Conway's Game f Life

In this torus 2D grid, each cell as a "life" has 8 surrounding neighbors. Alive cells die in the next round if the number of their alive neighbors is strictly less than 2 or greater than 3. Dead cells would come back to life if they have exactly 3 alive neighbors.

<Control>

or "space" key runs the game
or "->" key makes one step
restarts with a random pattern
Click and drag: toggle cell state
P.S. You can change the grid size

runs the game
makes one step
restarts with a random pattern
Tap and drag: toggle cell state
P.S. You can change the grid size