Challenge: Collect the green circles do not touch the purple squares. Survival: A massive amount of green balls fall from the sky collect them, to not hit the squares. Follow: you are the follower, Follow the mouse and see how hard it is to be the follower. touch the muose to get points. 2 player mode: 2 player following! second player follows the mouse player 1 controls. Then it switches. Player 2 controls with arrows, player 1 with WASD keys. touch the mouse to get points.