Play as a bubble of primary color to spread your color through contact and explosions. Spread your color faster than the other players to win.
Player 1 (red): WASD, QE
Player 2 (green): IJKL, UO
Player 3 (blue): GVBN, FH
An AI may be activated by pressing 1, 2, or 3 respectively.
Escape resets the game.