The aim of this addictive puzzle game is, to eliminate all the colorful balls rolling down the spiral tube, before they reach the skull. You can eliminate them by shooting a ball from the center and group 3 or more balls of the same color. The degree of difficulty rises as you proceed further, so you've to be very quick in order to gain the maximum number of points. The color of the next ball to be rolled down and also the next ball to pop out at the center, are indicated by the two boxes in the top corners of the play screen. Keep an eye on the flow of the balls and rapidly clear them off as soon as possible to score the maximum points and make it to the high score table.