Basic Information about MUDs and MUDding: FAQ about MUDs and MUDding. DikuMUD Family Tree: Listing of MUD codebases by heirachy for Diku and all code bases. Vae Victus: Contains news, logs, history, and a message board. An Atlas of Cyberspaces - MUDs and Virtual Worlds: An atlas of maps and graphic representations of the geographies of the new electronic territories of the Internet, WWW and other emerging Cyberspaces. MUSE Ltd.: Purveyors of fine, online games since 1985; principal products are MUD2 and the MUDDLE programming language and development system, both available for commercial licensing. XYZZYnews: Dungeons, Dragons, Shovels, and Telepathy: A brief look at MUD design, by Miron Schmidt. Richard A. Bartle: Players Who Suit MUDs: Discusses whether MUDs are games, pass times, sports or entertainments and suggests four kinds of player: achiever, explorer, socializer or killer. About.com: Multi-User Dungeons: Article featuring background information and resources. MUDdy Waters: Detailed information about the MUDding community. Features reviews, resources and message boards. Journal of Virtual Environments: Academic journal devoted to MUDs and their uses. Formerly known as the Journal of MUD Research.