MadTank is an addictive arcade/action/strategy game that revolves around a tank-vs-zombie war. Developed by Game Duo Co.Ltd., this game is available for iPhone users as a full version. It offers an extensive collection of over 40 madness cannons that can be unlocked and upgraded to improve your tank's performance.

The game features easy and simple one-touch controls, making it accessible to players of all ages. The gameplay is simple yet challenging, and the mix and match feature allows players to build their unique MAD TANK. The game also offers GameCenter support to challenge friends.

In MadTank, players face a super huge madness boss zombie battle, which adds to the excitement. The game's objective is to collect as many cannons as possible to upgrade your tank to the max.

Overall, MadTank is a great game that is worth trying for those who enjoy arcade/action/strategy games. It is a perfect blend of simplicity and challenge, making it a fun and addictive game to play.