Duke Nukem 3D: Monolith Duke Nukem 3D: Large moon crater

Duke Nukem 3D: Space suit locker Duke Nukem 3D: Tram line

Duke Nukem 3D: Gamma transport sign Duke Nukem 3D: Moon canyon

Duke Nukem 3D: Tram line (moving) Duke Nukem 3D: Shot of earth and a space station.