Ben will have to solve a complex puzzle, which does not help his reflexes and weapons, here you need to think a head. On the playing field are scattered green fireplace, from which you want to get rid of. Remove stones can be only one way, you need to move them in the correct sequence, knocking some stones - other. Launching the stone, it should clear the stone and the other stops. If the stone does not receive collision with another stone and fly beyond the field, it will be regarded as a failure. As the level increases, the difficulty of the game.