It adds features zombies 3 of the open we choose our game and we activated it brings selecting Hack option. Climbing into the ring by choosing to battle against our options and are trying to shoot the zombies coming out the other fighter. When one of three options to fight the order of your choice and when you arrive you must show strength. Other features that are locked in combat can increase the power of our recent placing fighters in the same manner zombimi box. Have fun..