Double tap to fire a ball out of a cannon to shoot at target. Target has 8 pieces. You have only 30 seconds to hit all 8 pieces. Each hit adds 3 seconds to the time. Each miss takes away 2 seconds. Only one ball can be on the screen at any time. Once that ball disappears cannon is ready to be fired again. Classic cannon call game. There are 10 levels to play. Enjoy!