Knock Balls Home Knock Balls 0.0 / 5 ( 0 votes ) Your Rating? Discover Knock Balls – Play Free Now on WebGameFree! Knock Balls is a fun arcade game where you need to control the cannon and smash towers from blocks. Try to aim correctly and hit the most critical places to save bonus balls. Sometimes you can fire more than one gun at the same time by gaining extra balls. Play now at RegionGame and have fun. Categories in which Knock Balls is included: Soccer Sports Ball