Color ball blast：merge tank and knock down blocks

Fire! Fire! Fire!Merge tanks,shoot balls,hit& knock down the color bump blocks！Grab this unique new amaze ball Knock Stack block 3D game for FREE!Merge tanks and Fire balls，then knock down the blocksCross every level without using out the wrecking ballsFeatures:* 3D ball fire and wreck color bump castle game* Tank balls gives you 200+ levels to shoot* Wonderful images and art design* Simple and easy to play* Great time killerNew fire cannon shoot and hit game.What are you waiting for? Let’s download color ball blast now!Break the color tower with ball shooter！