DayZ is an open world survival video game currently in development by Bohemia Interactive. It is the stand-alone successor version of the award-winning mod of the same name. The game was released for Microsoft Windows via early access on Steam on December 16, 2013, and is currently in early alpha testing.

The game places the player in the fictional 225 km2 post-Soviet state of Chernarus, where a mysterious plague has turned most of the population into violent zombies. As a survivor, the player must scavenge the world for food, water, weapons, and medicine, while killing or avoiding zombies, and killing, avoiding, or cooperating with other players in an effort to survive the outbreak.