Return to Castle Wolfenstein is a first-person shooter and a reboot of Wolfenstein 3D. The player's arsenal includes among others a Luger, MP 40 submachine gun, Mauser rifle with sniper scope, flamethrower, dynamite and grenades. The game also features a multiplayer component in which players are split into Axis and Allies sides with each a set of objectives to complete.

World War II rages and nations fall. SS head Himmler has Hitler's full backing to twist science and the occult into an army capable of annihilating the Allies once and for all. Battling alone, you're on an intense mission to pierce the black heart of the Third Reich and stop Himmler... or die trying.