Combat Arms: Zombies

Combat Arms: Zombies is an upcoming iOS title published by Nexon. Reportedly, the game shares similarities to Fireteam.

Links
http://theappera.com/2011/10/26/combat-arms-zombies-free-unreal-engine-fps-game-coming-soon/

http://www.gamepro.com/article/news/224272/combat-arms-zombies-brings-unreal-powered-undead-blastin-to-ios/