| Alternate Universe MUD: Alternate Universe is a free online multiplayer game, inspired by science-fiction, and entirely custom-written in Java. Includes codewars extension. |
| Angalon: A medieval theme. Features sections on theme, players, beginner's guide, message board and immortals. |
| Banished Lands: Sections on online help, players, areas, rules and policy, clans and brethren. |
| British Legends: A port of the Compuserve incarnation of the original Multi-User Dungeon, written by Richard Bartle and Roy Trubshaw. Offers detailed assistance to new players, FAQs and a brief history. |
| Forest Edge Building Manual: Information on building rooms, mobiles, objects, shops and pets. |
| LegendMUD: Features a variety of historical contexts, including ancient Ireland, Homer, Queen Elizabeth, Dante's Inferno, goldrush Melbourne, and Kipling's India. Supports a variety of styles of play. |
| Materia Magica: Features forums, online status indicators, and references. |
| Monster: A multiplayer adventure game for VMS. |
| MUDII: MUD2 is the latest incarnation of the very first MUD (Essex MUD/MUD1/British Legends.) |
| Symelion: Science fiction roleplaying via web-based chatrooms. |
| The World of Shadowgate: Written using Standard MUDLIB much like C++. |
| UrMud: Set in ancient history featuring a self-growing ecology, advanced combat system, houses and clans. |
| Ursha Null 7: A science fiction mud. Features sections on game play and technical information. |
Classical
