Bubble Tanks 3 Home Bubble Tanks 3 0.0 / 5 ( 0 votes ) Your Rating? Discover Bubble Tanks 3 – Play Free Now on GameHard! Play as a bubble that grows as you take down other bubbles. New tanks will stream into your game seamlessly in the background creating a new experience and adventure each and every game. Categories in which Bubble Tanks 3 is included: Arcade