Cannon Ball Defender is a skill game where you should use your cannons just at the right time in order to smash the objects that are coming to hit you. You can strengthen your defences by upgrading and unlocking new types of cannons. All you need to do is to shoot the blocks with your cannons preventing them from hitting you. Have fun and good luck! If you would like to play more skill games like this one, you should check out our Skill Games section.