-WASD for Player 2 (Mario) -Arrow keys for player 1 (Sonic) -Space to turn mario into an AI. -The Goal is to knock your opponent off the side- If mario wins there will be mario terrain. if sonic wins there is sonic terrain. THE SONIC TERRAIN IS BUGGED I don't know how to fix it, but sometimes your character gets stuck on the edge. just try jumping, and if that don't work then restart!