State of Decay is a 2013 action-adventure survival video game developed by Undead Labs and published by Microsoft Studios. The game combines elements of shooters stealth role-playing and strategy games and the game challenges players to survive by exploring scavenging and fighting the undead. It places emphasis on how the player's leaderships skills fare against an onslaught of problems such as diminishing survival resources group trust and morale zombie extermination base defenses and people's lives.