You want to relax and make a crazy score? You have some extra-time? In the subway, at the toilet, in a waiting room?The Force is in your finger!!! Make the red and green shells collide! Strenght and skill are required! Collide red shells using the green one. The green shells earn more points when they collide with other green shells.Will you be the best of the world?Challenge your friends by sharing your score and try to beat them!