Level 1- Relax Level 2- The Gravity Puzzle Level 3- Go crazy Level 4- Control the ball with opposite gravity Level 5- Random speed movement Use the arrow keys to move on 2 and 4, and watch the happy ball go crazy with the other balls. You are the happy ball and on the Gravity Puzzle (level 2) you have to move a certain way on level 2. To change the level, click the green flag.