You can get Annihilation Undead on your iPhone right now, and just released for the game is the second chapter. Just like most zombie games this one puts you in the middle of a zombie apocalypse. You can use over 20 different crazy weapons to wreck your way through the hordes of zombies.
The new chapter introduces two new game modes, Scavenge and Frenzy, and a new high-tech weapon, the Laser Rifle. In the new Scavenge mode, the game will now be played where you must collect weapons from around the level, where as normally you are given them in a steady progression. In frenzy mode, you have times challenges to destroy as many zombies as you can in a certain amount of time. You can get chapter 2 in the app. store now for only $1.99. Screens bast the break.