De Dead Man DLC is beschikbaar vanaf 24 mei.
- An all-new campaign mission telling a prequel story to Arizona Sunshine
- Online co-op functionality for up to two players
- A range of difficulty settings including the insane Apocalyptic Mode!
- 6 new achievements / trophies spread across an infested missile base
- 3 new weapons: A fully automatic submachine gun, a two-handed shotgun and a tactical handgun
- 3 new masks: the military gas mask, the skull mask, and the Dead Man mask
- New character customization options that carry over to the base game