All Zombies Must Die! to release on PSN and XBLA at the end of the month

By Stephany Nunneley

Square has announced it will release Doublesix’s four player, co-op game All Zombies Must Die! on PSN December 27 and XBLA December 28. It will run you $9.99/800 MSP for the top-down RPG shooter. Still no word just yet on the Steam release.