Doublesix has announced that their newest zombie game, All Zombies Must Die!, will be available on PlayStation Network December 27, 2011 and on Xbox Live December 28th. All Zombies Must Die! is a top-down arcade-style shooter by the same team that created Burn, Zombie Burn! In the game, players explore the open-world town of Deadhill while destroying mobs of the undead. Up to four people can play cooperatively.