- Id Software
Official site of id Software, developers of popular video games like Doom, Heretic, Hexen, Quake, and Wolfenstein 3D.
- Doomsday HQ
Home of the Doomsday Engine, jDoom, jHeretic, and jHexen.
Source for news, information, and development details for the video game series, Doom. Site also includes Doom forums, fan fiction, and fan art.
- Wikipedia: Doom
Hyperlinked overview for the popular first-person shooter video game.
Discussion forums, articles, cheats, and strategies for Doom players.
- New Doom
Includes information, mods, news, community forum, database, and links for all the Doom games.
- It Plays Doom
Chronicling every gadget enabled to play DOOM, from watches to refrigerators. Includes instructions for playing DOOM on your devices, and news about new and unusual ports of the game.
- M J Doom Page, The
A great doom page with contents including: quake, many theme patches (simpsons, beavis, aliens, etc), and complete FTP site listings
Extensive, original, and detailed information on all commercial Doom games for all major gaming platforms.
- DOOM Benchmark Results
Using DOOM as a benchmark.
Provides information index of Doom and other 3D like games available on the Internet.