This game screen is simple, a twisty wheel in the center, and a balls(arrows) stack in the bottom, players need to launch balls to the twisty wheel one by one, but must not touch others. As the game going, the ball will be more and more, up to 100 balls, the wheel may twist quickly or slowly, this game become harder. If you launch all the balls stack, you win and the screen color switch to green, otherwise the screen color switch to red.