List of MUDs
This is a chronological list of notable MUDs with summary information.
Legend
List
| Title | Founded | Closed | Business model | Developer | Publisher | Setting | Style | Family | Codebase | Mudlib | Contributions | Notes |
| MUD1 | 1978 | Free | Roy Trubshaw, Richard Bartle | Fantasy | Hack and slash | Essex | MUDDL | MUDDL | The first MUD; see also British Legends | |||
| MAD | 1984 | 1986 | Free | Bruno Chabrier, Vincent Lextrait | BITNET | Fantasy | Hack and slash | |||||
| Island of Kesmai | 1985 | 2000 | Subscription | Kesmai | CompuServe | Fantasy | Hack and slash, roguelike | See also Legends of Kesmai | ||||
| MUD2 | 1985 | Free | Richard Bartle, Roy Trubshaw, Simon Dally | Fantasy | Hack and slash | Essex | MUDDLE | Successor to/heavily updated version of MUD1 | ||||
| AberMUD | 1987 | 1987 | Free | Alan Cox, Richard Acott, Jim Finnis, Leon Thrane | Fantasy | Hack and slash | AberMUD | AberMUD | AberMUD | The first AberMUD | ||
| British Legends | 1987 | 1999 | Subscription | Roy Trubshaw, Richard Bartle | CompuServe | Fantasy | Hack and slash | Essex | MUDDL | Commercial version of MUD1 | ||
| GemStone | 1988 | Subscription | Simutronics | GEnie, AOL, independent | High fantasy | Hack and slash | ||||||
| Avalon | 1989 | Free | Yehuda Simmons | Fantasy | Politics, player versus player, roleplaying | Pioneered plotted quests. | ||||||
| TinyMUD | 1989 | 1990 | Free | James Aspnes | Cross-genre | Social | MU* | TinyMUD | TinyMUD | |||
| Genesis LPMud | 1989 | Free | Lars Pensjö, Carl Hallén, Jakob Hallén, Lennart Augustsson, Johan Andersson, Anders Chrigström, Ronny Wikh, Stas van der Schaaf, Tony Elmroth, Dave Richards, Thornsten Lockert, Felix Croes et al. | Medieval fantasy | Roleplaying | LPMud | LPMud, CD | CD | LPMud, CD gamedriver and mudlib | The first LPMud | ||
| TinyTIM | 1990 | Free | Jason Scott Sadofsky et al. | Cross-genre | Social | MU* | TinyMUD, MUSH | |||||
| BatMUD | 1990 | Pay for perks | B.A.T. ry | Fantasy | Hack and slash, player versus player | LPMud | LPMud | |||||
| FurryMUCK | 1990 | Donation-supported | Furry | Social, roleplaying | MU* | TinyMUCK | ||||||
| LambdaMOO | 1990 | Free | Pavel Curtis et al. | Xerox PARC, independent | Cross-genre | Social | MU* | MOO | LambdaCore | |||
| MicroMUSE | 1990 | Free | Cross-genre | Educational, social | MU* | MUSH, TinyMUSE | TinyMUSE | Arguably first educational MUD | ||||
| Lost Souls | 1990 | Pay for perks | Michael Rice, Rebecca Willey, Matthew Sheahan et al. | Medieval fantasy | Hack and slash, roleplaying | LPMud | LPMud 2.4.5, LPMud 3.1.2, Amylaar, LDMud | Ain Soph | ||||
| TubMUD | 1990 | Free | Medieval fantasy | Hack and slash, roleplaying | LPMud | LPMud 2.4.5, Amylaar, LDMud | Tublib | First MUD hosted in Germany | ||||
| Ancient Anguish | 1991 | Donation-supported | Balz Meierhans, Olivier Maquelin et al. | Fantasy | Hack and slash | LPMud | Amylaar | Loch Ness | ||||
| Armageddon | 1991 | Donation-supported, freebie marketing | Dan Brumleve, Nasri Hajj, Santiago Zorzopulos, Cat Rambo et al. | Post-apocalyptic low fantasy | Roleplaying | DikuMUD | DikuMUD | |||||
| DikuMUD | 1991 | 1991 | Free | Sebastian Hammer, Michael Seifert, Hans Henrik Staerfeldt, Tom Madsen, Katja Nyboe | Fantasy | Hack and slash | DikuMUD | DikuMUD | DikuMUD | Refers to the first DikuMUD at freja.diku.dk 4000 | ||
| Discworld MUD | 1991 | Free | David Bennett, Craig Richmond, Sean A. Reith, Evan Scott, Derek Harding, Jake Greenland et al. | Discworld | Hack and slash, roleplaying, social | LPMud | LPMud, MudOS, FluffOS | Discworld | Discworld mudlib, FluffOS | |||
| Dragon's Gate | 1991 | 2006 | Subscription | Darrin Hyrup | GEnie, AOL, Mythic Realms, independent | Fantasy | Hack and slash, roleplaying | |||||
| Elendor | 1991 | Free | Lord of the Rings | Roleplaying, social | MU* | MUSH | ||||||
| PernMUSH | 1991 | 2014 | Free | Pern | Roleplaying, social | MU* | MUSH | |||||
| Star Wars MUSH | 1991 | Free | Star Wars | Roleplaying, social | MU* | MUSH | ||||||
| Viking Mud | 1991 | Free | Fantasy | Multi-user dungeon, social | LPMud | LPMud,DGD | ||||||
| Xyllomer | 1991 | Free | Fantasy | Roleplaying | LPMud | LPMud, DGD | CD | First public DGD MUD | ||||
| Genocide | 1992 | Free | Fantasy | Player versus player | LPMud | LPMud, MudOS, Amylaar | First "pure PK" MUD | |||||
| AmberMUSH | 1992 | 2009 | Free | Jennifer Smith et al. | Amber | Roleplaying | MU* | TinyMUSH | ||||
| Infinity | 1992 | Free | Peter William Friedman, Bill Mackiewicz et al. | Cross-genre | Hack and slash, social, player versus player | LPMud | LPMud 3.1.2, LDMud | LPMud 2.4.5 | ||||
| 3Kingdoms | 1992 | Pay for perks | Cross-genre | Hack and slash | LPMud | LDMud | ||||||
| The Shadow of Yserbius | 1992 | 1996 | Subscription | Sierra On-Line | The Sierra Network, The ImagiNation Network, AOL | Fantasy | Hack and slash, graphical | |||||
| MorgenGrauen | 1992 | Free | Medieval fantasy | Hack and slash | LPMud | LDMud | MorgenGrauen | MorgenGrauen Mudlib | ||||
| Diversity University | 1993 | 2006 | Free | Jeanne McWhorter et al. | Modern | Educational | MU* | MOO | First educational MOO, arguably first educational MUD | |||
| BioMOO | 1993 | 2001 | Free | Gustavo Glusman, Jaime Prilusky et al. | Modern | Educational | MU* | MOO | File Utilities Package, intermoo GNA Network | |||
| Infinity | 1993 | Free | Fantasy | Hack and slash | AberMUD | AberMUD | ||||||
| BayMOO | 1993 | Free | Tim Keanini et al. | Modern | Social, educational | MU* | MOO | |||||
| MediaMOO | 1993 | 2000 | Free | Amy S. Bruckman et al. | Modern | Educational | MU* | MOO | Mirror archived at | |||
| DragonSpires | 1994 | 1997 | Pay for perks | Dragon's Eye Productions | Fantasy | Social, roleplaying, graphical | ||||||
| LegendMUD | 1994 | Free | Raph Koster, Kristen Koster, Rick Delashmit, Sherry Delashmit et al. | Historical fantasy | Hack and slash | DikuMUD | DikuMUD | |||||
| Legends of Terris | 1994 | Subscription | Paul Barnett, Doug Goldner, Online Games Company | Fantasy | Hack and slash, roleplaying | Horizon Engine | ||||||
| Realms of Despair | 1994 | Free | Derek Snider et al. | Fantasy | Hack and slash | DikuMUD | Merc 2, SMAUG | SMAUG | ||||
| LinguaMOO | 1995 | Free | Cynthia Haynes, Jan Rune Holmevik et al. | Modern | Educational | MU* | MOO | |||||
| ATHEMOO | 1995 | 2010 | Free | Juli Burk et al. | Modern | Educational, theatrical | MU* | MOO | ||||
| The Ruins of Cawdor | 1995 | 1996 | Subscription | Sierra On-Line | The Sierra Network, The ImagiNation Network, AOL | Fantasy | Hack and slash, graphical | |||||
| DragonRealms | 1996 | Subscription | Simutronics | GEnie, AOL, CompuServe, Prodigy, Microsoft Gaming Zone, independent | Fantasy | Hack and slash, roleplaying, player versus player | ||||||
| MOOSE Crossing | 1996 | 2007 | Free | Amy S. Bruckman et al. | Modern | Educational | MU* | MOO | ||||
| Legends of Kesmai | 1996 | 2000 | Subscription | Kesmai | independent, AOL, GameStorm, EA | Fantasy | Hack and slash, graphical, roguelike | Tile-graphics version of Island of Kesmai | ||||
| TorilMUD | 1996 | Free | Kris Kortright et al. | Forgotten Realms | Hack and slash | DikuMUD | Sequent | |||||
| Achaea, Dreams of Divine Lands | 1997 | Pay for perks, subscription | Iron Realms Entertainment | Fantasy | Roleplaying, Player versus player | Rapture | ATCP | |||||
| The Eternal City | 1996 | Free, subscription | Three Seas, LLC | Fantasy/Roman Theme | Roleplaying, Player versus player | ColdC | ||||||
| Alter Aeon | 1997 | Pay for perks | Dennis Towne et al. | Medieval fantasy | Hack and slash | DikuMUD | DentinMUD | |||||
| ifMUD | 1997 | Free | Liza Daly et al. | Interactive fiction | Social | MU* | PerlMUD | Hosts the XYZZY Awards | ||||
| Darkness Falls: The Crusade | 1999 | 2006 | Subscription | Mythic Entertainment | GameStorm, AOL, Centropolis Entertainment | Fantasy | Player versus player | |||||
| 2001 | Free | Star Wars | Hack and slash, Politics, player versus player, roleplaying, | DikuMUD | Oldest SWR MUD still running | |||||||
| RuneScape | 2001 | Subscription, pay for perks | Jagex | Fantasy | Hack and slash, graphical | |||||||
| Wyvern | 2001 | 2013 | Free | Cabochon Inc. | Fantasy | Hack and slash, graphical, roguelike | ||||||
| God Wars II | 2002 | Free | Richard Woolcock et al. | Dark fantasy | Player versus player | Gladiator Pits II | Gladiator Pits II, MSDP | |||||
| HellMOO | 2003 | 2022 | Free | Post-apocalyptic | player versus player | MU* | MOO |