Arizona Sunshine: Dead Man

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Arizona Sunshine® - Dead Man DLC

Welcome to the final days before the zombie apocalypse! Arizona Sunshine® – Dead Man DLC drops you at an infested US missile base where you lead a frantic attempt to contain the expanding zombie outbreak.

Playing as Dockson, a US Army Special Forces corporal, the faith of the American Southwest rests in your hands as you fight to launch a nuclear-warhead loaded missile vital to stopping the spread of zombies. In the close-quarters of the missile silo, even the most veteran of Arizona Sunshine® survivors need to stay alert to overcome the undead onslaught and complete the mission.

Arizona Sunshine® - Dead Man DLC offers a host of blood-pumping VR content:

An all-new campaign mission taking place before the events of Arizona Sunshine®
Online co-op functionality for up to two players
Support for two-handed mode
A range of difficulty degrees including the insane Apocalyptic Mode!
Six new Steam achievements spread across an infested missile silo
Three new weapons: A fully automatic submachine gun, a two-handed shotgun and a tactical handgun
New character customization options that carry over to the base game