Wolfenstein 3D is a first-person shooter (FPS) developed by id Software and published by Apogee Software. Originally released on May 5, 1992, for DOS, the game was inspired by the 1980s Muse Software video games Castle Wolfenstein and Beyond Castle Wolfenstein.

The story:

You're William J. "B.J." Blazkowicz, the Allies' bad boy of espionage and a terminal action seeker. Your mission was to infiltrate the Nazi fortress Castle Hollehammer and find the plans for Operation Eisenfaust, the Nazi's blueprint for building the perfect army. Rumors are that deep within the castle the diabolical Dr. Schabbs has perfected a technique for building a fierce army from the bodies of the dead. It's so far removed from reality that it would seem silly if it wasn't so sick. But what if it were true? Learn more.