The Center for Imaginary Environments Supports reality modeling technology and multi-user environments. Members are active in the development of mud software using the LPC and Java languages. http://www.imaginary.com

Basic Information about MUDs and MUDding FAQ about MUDs and MUDding. http://www.lysator.liu.se/mud/faq/faq1.html

Games/mud FAQ Index Listing of online FAQ for MUD's. http://www.faqs.org/faqs/games/mud-faq/

XYZZYnews: Dungeons, Dragons, Shovels, and Telepathy A brief look at MUD design, by Miron Schmidt. http://www.xyzzynews.com/xyzzy.13e.html

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. http://www.mud.co.uk/

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. http://www.mud.co.uk/richard/hcds.htm

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. http://www.cybergeography.org/atlas/muds_vw.html

About.com: Multi-User Dungeons Article featuring background information and resources. http://internetgames.about.com/cs/mudmush/

MUDdy Waters Detailed information about the MUDding community. Features reviews, resources and message boards. http://www.suite101.com/welcome.cfm/text_games

Vae Victus Contains news, logs, history, and a message board. http://clan_vaevictus.tripod.com/news.html

Code begets community Information about Daniel Pargman's Ph.D. thesis on the social and technical aspects of managing a virtual community, a study of a Swedish MUD. Sample chapters in PDF format. http://esplanaden.lysator.liu.se/svmud/pargman/

DikuMUD Family Tree Listing of MUD codebases by heirachy for Diku and all code bases. http://www.game.org/heirarchy.html

Journal of Virtual Environments Academic journal devoted to MUDs and their uses. Formerly known as the Journal of MUD Research. http://www.brandeis.edu/pubs/jove/

Open Site An article with an explanation of what MUDs are, an overview of their history, and a list of variants. http://open-site.org/Games/Online/MUDs/

Tic-Tac-Toe Strategy Tic-Tac-Toe strategy with explanations and opportunity to put the advises into practice. http://ostermiller.org/tictactoeexpert.html