First check out The Wolfenstein 3D Dome, The Diehard Wolfers' Forum, and The Wolf3D Haven Forums.

Wolfenstein 3D demos, abandoned/incomplete mods, authors' web pages, cheats, commentary, Easter eggs, forums, guides, mirror downloads, news, previews, programming code changes, reviews, saved games, screenshots, and videos:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #
Doom or Ultimate Doom,
Doom 2: Hell on Earth,
Macintosh Wolfenstein 3D,
Wolfenstein 3D in Other Computer Games,
Wolfenstein 3D in Consoles,
Wolfenstein 3D in Standalone Programs,
Wolfenstein 3D Look-a-likes and Sequels,