I  N.Y.Z.

I got this during free app a day a while back thinking that this was some lame knock off game or some glitchy disaster. This was surprisingly amazing. The difficulty steadily increses as you progress forcing you to change your tactics each level and upgrade your inventory. Its great! Its addictive and challanging. I would recomend this to anybody.
The only issue I found was lag when the minigun was used but WHO CARES?!? the game is to great to complain about that!

Knights509 about N.Y.Zombies