State of Decay is an action-adventure, survival horror, and stealth game developed by Undead Labs and published by Microsoft Studios. 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. 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 was released for the Xbox 360 on June 5, 2013, and was met with positive reviews. A Microsoft Windows version was released on September 20, 2013, via Steam's Early Access, with a release following on November 5, 2013. A remastered version called the Year-One Survival Edition was released on April 28, 2015 for Microsoft Windows and Xbox One with mixed reviews.