Experience an epic battle with demons, the undead and troops from hell. Billions of people have been killed by them on earth. Defeat your enemies to serve mankind.
- Developers: id Software, Midway Games (1993–1997), Nerve Software (2005)
- Publishers: Bethesda Softworks, GT Interactive (1993–1996) Activision (2004–2005)
- Initial release date: December 10, 1993
- Platforms: Microsoft Windows, PlayStation 4, Xbox One.
- License: Commercial