One to four players spin their cannons and shoot at blocks coming from all sides. Find the best angle to hit as many blocks as you can. Shoot at bonus objects to activate powerful chain reactions and special abilities. Upgrade your fortress to shoot faster. Communicate with your friends and coordinate your attacks. How long can you stay alive?
Unlock up to 24 unique balls and cannons.
Single player mode changed. Player starts with one cannon but with a higher fortress level.