The object of the game is to use bouncing balls to clear all the notes on a stage. Each level has a maximum amount of ball gates you can open. If 50 levels aren't enough for you, check out letsmakeagame.com to play user-created levels and make your own!
Click the buttons on the left to release a ball. Try and clear all the notes. Each level has a maximum amount of ball gates you can open. Continue opening and closing gates until you get the right combination.