Acts & Zombies!
About
Murder Zombies with your guns. On the first act, you were sent to an Island, with zombies... But they forgot that there was a hidden portal... Find the portals(In shape of the guns you will use on the next level). Act 2: You found the teleporter. But your city is with Zombies! Kill as many as you can, or find the AK right away... Next act you're sent to fight with the boss, to get to him find a cube. Bump into it. And defeat the Boss.