Choose from five distinct classes — marine, butcher, assassin, marshal, and exorcist — each with their own storyline, combat specialization, and individual skill tree. The marine and assassin excel at range; the butcher dominates melee; the exorcist burns zombies with spiritual power. The arsenal is vast: clubs, axes, revolvers, tasers, rifles, shotguns, bows, grenades, spell books, and dozens more, with vehicles available for running down the undead when things get desperate. Cooperative multiplayer supports up to four players fighting through the horror together.