Spear of Destiny is a base game, being released after Wolfenstein 3D but is essentially its prequel.
Unlike Wolfenstein 3D, Spear of Destiny features a seamless level flow. Five bosses are featured:
- Trans Grosse (level 5, boss of The Tunnels)
- Barnacle Wilhelm (level 10, boss of The Dungeon)
- Übermutant (level 16, boss of The Main Castle)
- Death Knight (level 18, boss of The Ramparts)
- Angel of Death (level 21, boss of The Death Dimension)
New music, sounds, sprites and textures are also featured.