Wolfenstein is a first-person shooter video game co-developed by Raven Software, id Software, and Endrant Studios and published by Activision. It is the sequel to Return to Castle Wolfenstein, and uses the id Tech 4 engine. The game was released in 2009: in North America on August 18, Australia on August 19, and Europe on August 21.

The story is set in the fictional town of Isenstadt, which the Nazis have taken complete control of in order to mine rare Nachtsonne crystals necessary to access the "Black Sun" dimension. As the game progresses, happenings in Isenstadt become stranger (Military patrols are replaced by supernatural creatures, etc.) Locations include the town's sewers, a tavern, a hospital, a farm, an underground mining facility, a church, the SS headquarters, a dig site and caverns, a cannery, a radio station, a paranormal base, a general's home, a castle, an airfield and a large Zeppelin.