Cannon Block Ball game invites you to fight with colorful blocks. Your weapon is a cannon, but you will not see the cannon itself, and you will only operate with cannonballs. There are ten of them to destroy the building on the platform and completely sweep away all the blocks so that it becomes pristine. Within the circle drawn by the dotted line, you can pull back the core and direct the blow to the weakest point of the structure in order to spend a minimum of shots on reaching the final goal. Blocks will build the most complex structures that are difficult to destroy with one shot, which is why you are given cores with a margin in Cannon Block Ball.