Meet a free bubble game online that keeps balance between fun and challenge. This exciting mix of classic shooter and billiards will make you addicted to Clusterz. Pop all colored bubbles by matching three or more of the same color. Black dots cannot be removed. Individual bubbles disappear from the board. The game ends if the bubbles reach the bottom of the board. Beware: all bubbles randomly change color if you let the shooting ball fall. Pay attention to your opponent's progress, and do your best!