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  1. /TG/MUD [[CoffeeMud] Heavy modifications & personalization] (December 20, 2011)
  2. 2001's Eternal Darkness [[Circlemud] Circle 3.0] (February 23, 2008)
  3. 3-Kingdoms [[LP] LDMud] (June 3, 2009)
  4. 3Scapes [[LP] LDMud] (June 3, 2009)
  5. 4 Dimensions [[Circlemud] bpl15 modified] (May 6, 2012)
  6. 6 Dragons [[Smaug] Heavily Modified] (October 3, 2009)
  7. 7 Degrees of Freedom [[Aber] Modified] (September 11, 2007)
  8. 8bitMUSH [[MUSH] TinyBit (PennMUSH Derived)] (April 5, 2011)
  9. ADAMANT : World of the Rings [[Circlemud] strong modified CircleMud] (December 20, 2002)
  10. AVATAR Mud [[Dikumud] Diku/Merc with over 16 years of modifications!] (May 8, 2012)
  11. Aabahran: The Forsaken Lands [[Dikumud] -ROM 2.4, Heavily Customized Forsaken Lands 3.0] (April 26, 2009)
  12. Aaezure Odyssey [[Circlemud] Circle/Custom] (May 16, 2006)
  13. Aarchon [[Rom] Contains ARC 1.0 code] (December 3, 2011)
  14. Aardwolf [[Custom]] (January 14, 2009)
  15. Abandoned Codex [[Smaug] modified] (January 22, 2009)
  16. Abandoned Reality [[Merc]] (April 10, 2009)
  17. Abandoned Realms [[Rom] Modified heavily for fairness, and for added depth.] (July 7, 2009)
  18. Abattoir [[Smaug] Smaug] (February 18, 2011)
  19. Aber-Phoenix [[Aber]] (July 28, 2010)
  20. Abysmal Realms [[Rom] Heavily Customized, many enhanced features!] (November 11, 2006)
  21. Accursed Lands [[LP] Heavily Modified] (March 12, 2012)
  22. Achaea, Dreams of Divine Lands [[Custom]] (August 2, 2006)
  23. Act of War [[AFKMud] ] (March 29, 2011)
  24. AddictMUD [[Circlemud] 3.0] (March 8, 2009)
  25. Adults Only [[MUX] Mux 2.9.1.8] (June 7, 2011)
  26. Advanced Universe [[SWR] swfote2.1.5 (auv1)] (April 15, 2012)
  27. Adventures Unlimited [[Rom] 2.4b6(pretty darn good)] (September 10, 2011)
  28. Adventures for Ancient Wisdom [[Dikumud] Diku/Envy/Merc with a twist] (August 4, 2004)
  29. Aesir [[GodWars] Modified LOW4] (March 23, 2012)
  30. Aesir 2 [[Dikumud] ROM 2.3/Merc 2.1 Mix] (July 28, 2009)
  31. Aethar II [[Smaug] Heavily Modified, Supports Java] (October 26, 2011)
  32. Aetolia, the Midnight Age [[Custom]] (August 2, 2006)
  33. After Hours [[LP] LDmud] (April 21, 2004)
  34. After the Plague [[LP] MudOS (CoreDump mudlib)] (January 30, 2006)
  35. After... [[MUCK]] (October 30, 2009)
  36. AfterFive [[MUSH] TinyMUSH 2.2.1 #21, 2.2.2 [DaemonMUCH 0.15 enhanced, Pueblo 1.X enhanced]] (May 12, 2000)
  37. Age Of Dragons [[Circlemud] ] (April 23, 2012)
  38. Age of Chaos [[Circlemud] Chaos Code, originally Circle 2.2] (February 16, 2005)
  39. Age of Dro'xundus [[Rom] Heavily modified Anatolia2.2] (May 28, 2010)
  40. Age of Heroes 2 [[GodWars] Dystopia 1.4] (January 13, 2011)
  41. Age of Legends: Tales of the Lance [[Circlemud] Heavily Modified Circle] (September 24, 2011)
  42. Age of Legends: Tales of the Lance d20 Edition [[Circlemud] Strict D&D 3.5e Rules] (July 31, 2008)
  43. Age of Reptiles [[SWR] Modified Unknown Regions] (December 6, 2010)
  44. Age of War [[Circlemud] CircleMUD 3.0 - extremely modified] (February 16, 2011)
  45. Age of the Ancients [[Smaug] Wolfpaw] (June 19, 2005)
  46. Ages of Despair [[LP] MudOS driver on a modified TMI-2 mudlib] (September 30, 2003)
  47. Ages of Glory [[Custom]] (July 4, 2004)
  48. Akanbar [[Custom]] (January 19, 2012)
  49. Akarian Dawn: Shadows of an Empire [[MUSH] PennMUSH 1.7.2 pl 26 (with custom mods)] (March 4, 2003)
  50. Akashat [[MUX] MUX 2.6.3.23 #1] (April 7, 2008)
  51. Aladon MUD [[Rom] ROM 2.4 modified] (March 16, 2002)
  52. Alatia [[LP] LPmud] (May 20, 2002)
  53. Aldebaran [[LP] own lib] (January 4, 2009)
  54. AlexMUD [[Dikumud] Diku Gamma 0.0 (Heavily Modified)] (July 12, 2000)
  55. Alienation [[Custom] -classified-] (August 23, 2001)
  56. Aliens vs. Predator [[Circlemud] LexiMUD] (August 8, 2009)
  57. All Good Things... [[MOO] Modified Core by Quasar] (May 9, 2006)
  58. Almaren [Diku/HnS 1.0] (October 8, 1998)
  59. Alter Aeon [[Custom] DentinMud 2.20] (April 20, 2012)
  60. Altered Realities [[MUCK] Fuzzball] (December 13, 1999)
  61. Altered Reality [[Rom] significantly rewritten] (May 22, 2003)
  62. Amitoune [[Smaug] 1.4a HEAVILY modified] (November 1, 2009)
  63. Anaea [[Rot] Largely customized] (June 6, 2011)
  64. Anarres II [[Custom] MudOS A2-0.99.x series experimental LP driver] (January 16, 2002)
  65. Ancient Anguish [[LP] LPMud 3.2.1@141 (Native Mode)] (March 18, 2009)
  66. Ancient Empires [[LP]] (August 27, 2007)
  67. Ancient Mists [[Rom] Heavily Modified] (April 12, 2012)
  68. AnderLand [[LP] NATIVE mode, driver version 03.02.1@137] (October 5, 2000)
  69. Angalon [[LP] Based on CDlib (Chalmers Dataforeningen)] (May 18, 2011)
  70. Angel City MUSH [[MUSH] PennMUSH] (December 21, 2008)
  71. Angelic Layer MUSH [[MUSH] PennMUSH 1.8.3p10 (Slightly Modified)] (October 26, 2009)
  72. Anime Planet [[Rot] Anime Planet [Heavily Modified Rot1.4]] (March 22, 2012)
  73. Animud [[Rom] Heavily Modified] (November 12, 2011)
  74. Anodyne [[Dikumud] SQ 0.63] (December 3, 2010)
  75. Anomaly TrekMUX [[MUX] MUX 2.0] (August 13, 2004)
  76. Ansalon [[Rom] 2.4 (from Ahotasu's AlphaMud)] (May 22, 2011)
  77. AnsibleMOO [[MOO] LambdaMOO 1.8.1+foo3.3beta1] (April 28, 2012)
  78. AoE 4.3: Dawn of the Empires (EmpireMUD) [[Circlemud] EmpireMUD] (June 7, 2009)
  79. Aperture Science MUX [[MUX] TinyMUX 2.10 ALPHA] (April 29, 2012)
  80. Apocalypse [[Aber] iDiRT derivation] (August 15, 2004)
  81. Aragond: The Chronicles [[Rom] (Extremely heavily modified QuickMUD)] (October 14, 2010)
  82. Aramanth: Shattered World [[Dikumud] 99% rewritten diku, influences Basternae, Duris] (February 11, 2012)
  83. Arantha - The Realms of Valor [[Circlemud] Heavily Modified - R.O.V 3.1] (January 27, 2012)
  84. Arcane Ages [[Dikumud] Heavily modified] (September 14, 2009)
  85. Arcane Nites [[Rom] Major Modifications] (July 13, 2011)
  86. Archons of Avenshar [[Custom] Play through custom client required] (February 16, 2009)
  87. Arctic [[Dikumud] Gamma Diku (heavily modified)] (February 5, 2009)
  88. Arda MUD [[Smaug] heavily modified] (June 3, 2004)
  89. Areth [[Envy] 30% Envy, 70% Custom] (October 4, 2000)
  90. Arion: the Nightmare [[Rom] Extremely heavily modified since 2003] (December 9, 2009)
  91. Arkadia [[LP] CDlib] (March 24, 2011)
  92. Armageddon [[Dikumud]] (January 9, 2012)
  93. Arrant Destiny [[Envy] Envy 2.0] (September 30, 2010)
  94. Arthnor [[MOO] MOO 1.8.1 (slightly modified), LambdaCore based] (July 8, 2004)
  95. Asgard [[Rot]] (May 13, 2010)
  96. Asgard's Honor [[LP] DGD v1.2p2] (April 25, 2004)
  97. Asgardian Nightmare: Rebirth [[Rot] Highly Modified / Random EQ System / Focusing System / Many Features] (October 3, 2010)
  98. Ashavar's Legacy [[Dikumud] Judy] (February 10, 2004)
  99. Ashirion: The Broken Sphere [[MUX] MUX 2.1.6.28 #85 [BETA]] (June 8, 2004)
  100. Assault: High Tech War [[Ack!mud] Extensively modified, gutted and made into a new game] (August 31, 2011)
  101. Astaria [[LP] Astaria v3.5 (TMI-2 derived)] (November 9, 2009)
  102. Astral Plains [[Rom] heavilly modified rom 2.4] (March 30, 2000)
  103. AstroMUDv2 [[Circlemud] Heavily Modified] (November 7, 2008)
  104. Asylum [[Aber] APGS] (March 6, 2002)
  105. AtlantisMUX [[MUX] [MUX]] (October 2, 2005)
  106. Atonement RPI [[Unknown] Advanced RPI Engine] (June 01, 2011)
  107. Atrocity [[Aber] Aber] (April 19, 2005)
  108. Aurealan Realms [[Circlemud] RoAMUD Code, v2.7] (September 25, 2004)
  109. Austin Nights: Trail of Blood [[MUX] ] (March 6, 2012)
  110. AustinMUD [[Dikumud] Far away branch of Diku Gamma 0.0] (January 31, 2009)
  111. Avalon [Avalon] (August 8, 1997)
  112. Avalon (German) [[LP] LDMud] (October 28, 2009)
  113. Avalon: The First Age [[Custom] Unlimited] (December 3, 1999)
  114. Avatar Mush [[MUSH] PennMUSH version 1.8.4 patchlevel 3] (January 28, 2011)
  115. Avatar West [[Merc] Using the AVATAR MUD Codebase] (July 25, 2001)
  116. Avendar: The Crucible of Legends [[Rom] Heavily Modified ROM] (June 23, 2008)
  117. Awakened Worlds [[Circlemud] AwakeMUD 0.8.21] (January 25, 2011)
  118. Aydindril 2 [[Rom] Rom 2.4b, heavily modified.] (April 29, 2009)
  119. Azereth [[Circlemud] 3.5, heavily modified] (February 21, 2009)
  120. Bad Trip [[Rom] Heavily modified ROM 2.4] (August 7, 2010)
  121. Bajor3D [[MUCK] FuzzBall MUCK server with 3D extensions] (September 25, 2001)
  122. Bakhara [[LP] Lima-1.0a5 (sorta)] (May 16, 2002)
  123. Balderdash [[Rom] Very strong modifier by Russian Coders.] (August 7, 2004)
  124. Balzhur [[Smaug] Smaug 1.4a modified] (February 23, 2007)
  125. Banished Lands [[Custom]] (January 20, 2001)
  126. Barren Realms [[Merc] merc2.2 heavily modified] (November 17, 2006)
  127. BatMUD [[LP] Customized LPC driver.] (April 25, 2006)
  128. Battletech 3060 [[MUX] BattleTech MUX 0.7.0-rc4+HUD+HAG+ALG RELEASE svn revision 1334 'Fly' build #14] (March 26, 2010)
  129. Battletech: The Frontier Lands [[MUX] Realtime Battletech Extensions (BTMux)] (May 9, 2006)
  130. BayMOO [[MOO]] (November 24, 2002)
  131. Beauty [[MUSH] TinyMUSH3.x] (June 27, 2001)
  132. Bedlam [[Circlemud] Based on AnotherWorld 2.x] (May 9, 2012)
  133. Beleriand [[MUSH] PennMUSH] (November 14, 2007)
  134. Between Shadows and Light [[Rom] Clan PvP MOD] (February 24, 2012)
  135. Beutelland [[Custom] RoleMUD] (April 18, 2004)
  136. Beyond Despair [[LP]] (March 5, 2009)
  137. Beyond the Forest's Edge [[TFE] Heavily modified] (August 10, 2011)
  138. Beyond the Veil of Shadows [[Rom] 2.4 [Heavily Modified]] (March 30, 2004)
  139. Big Damn MUSH :: Be a Hero [[MUSH] CobraMUSH/PennMUSH derivative] (March 13, 2008)
  140. Black Ops MUSH [[MUSH] TinyMUSH version 3.1 b6] (May 31, 2011)
  141. Black Sands MUD [[Unknown] Modified Project Argila 1.0] (June 12, 2011)
  142. BlackMUD [[Silly] Derived Diku/Silly] (November 18, 2001)
  143. Blackburn [[Custom] Ruby] (August 21, 2008)
  144. Blademaster: The Age of Darkness [[MUSH] PennMUSH] (October 31, 2006)
  145. Bleach MUSH: The Beginning [[MUSH]] (August 5, 2009)
  146. Bleached InuYasha Galaxy [[Smaug] SmaugFUSS, modified] (July 4, 2009)
  147. Blood Dusk [[Circlemud] Heavily modified] (March 2, 2005)
  148. Blood Fire Death [[LP] Skylib1.8] (September 10, 2011)
  149. Blood of Dragons: The "A Song of Ice and Fire" MUSH [[MUSH] PennMUSH] (January 13, 2012)
  150. Bloodlands [[Rom]] (August 1, 2009)
  151. Bloodlines MUSH [[MUSH]] (May 31, 2010)
  152. Bloody Nightmares [[Smaug] 1.4a Heavily Modified] (August 20, 2011)
  153. BrMUD [[TBA] Traduzido, Altamente Modificado e Customizado] (September 5, 2011)
  154. Brigadoon [[Rom] 2.4 beta] (December 2, 2008)
  155. Broken Shadows [[Embermud] heavily modified Ember 0.17] (February 8, 2004)
  156. BrutusMUD [[Circlemud] Started as CircleMUD but has been completely rewritten from scratch] (November 27, 2008)
  157. Bsmud [[Rom] Heavy modified, skilltree mud] (September 15, 2010)
  158. Buffy Mud [[Custom]] (February 10, 2010)
  159. Burning [[Dikumud] Heavily modified since 1988] (August 6, 2010)
  160. Burning Skies MUSH [[MUSH] ] (October 3, 2011)
  161. By Right of Blood [[MUSH] TinyMUSH (modified)] (December 6, 2009)
  162. CLOK [[Custom] ] (March 29, 2012)
  163. COW Creative Object World [[Custom] Runs in any web browser] (February 21, 2006)
  164. CWG - Rasputin Beta Port [[Circlemud] [CWG-Rasputin]] (January 4, 2008)
  165. Cajun Nights MUSH [[MUSH] RhostMUSH Alpha version 3.9.0RL(A) patchlevel 4 #9] (April 10, 2011)
  166. CamelotAdventures [Unique/Java] (November 27, 1998)
  167. Cantr II [[Custom]] (November 19, 2001)
  168. Carnipelago [[MUX] MUX 2.1.17.57] (December 28, 2002)
  169. Carnival of Carnage [[GodWars] 1996] (January 14, 2012)
  170. Carrion Fields [[Rom] Heavily Modified DikuMUD] (December 22, 2011)
  171. Castle Arcanum [[Envy] Envy 2.0 Heavily Modified - ARCode] (March 28, 2008)
  172. Castle D'Image [[MUSH] PennMUSH version 1.7.6 patchlevel 5 [01/07/2003]] (July 13, 2008)
  173. Castle Marrach [[Custom] DGD-based] (June 12, 2002)
  174. CaveMUSH [[MUSH] TinyMUSH v3.1] (July 7, 2005)
  175. Celathryan : The Uncharted [[MUX] TinyMUX 2.0] (October 16, 2004)
  176. CfMud - Mud de Ciencia Ficcion [[SWR] Source heavily modified, completely original world] (October 12, 2009)
  177. Chalacyn Nights MUD [[Custom]] (January 6, 2006)
  178. Champions MUSH [[MUSH] PennMUSH] (February 18, 2008)
  179. Chaos Mud [[Merc] Heavily Modified] (December 3, 2011)
  180. Chaos Realm: Reborn [[Unknown] ] (May 30, 2011)
  181. CheesyMUD [[Circlemud] CheesyMUD v3.13] (September 20, 2003)
  182. Chiaroscuro [[MUSH] PennMUSH 1.7.6 with System 4.0 crafting] (January 14, 2008)
  183. Chihuahua Mud [[Circlemud] 3.1 mostly stock with some changes] (October 23, 2003)
  184. Chonicles 2: The Dark Ages [[Rom] Heavily Modified] (August 30, 2011)
  185. Chronicles of Arcanum [[Rom] Dragon Mud 3.0 - ROM Diku Based] (November 15, 2010)
  186. Chronicles of Ice and Sky [[MUSH] ] (March 14, 2011)
  187. Chronicles of Ivalice: Emberstrand [[MUCK] MSSP and MCCP compatible] (September 11, 2010)
  188. Chronicles of The Blade [[Rom] Modified Rom2.4b6] (February 3, 2011)
  189. Cities of M'Dhoria [[Rom] Highly modified ROM] (February 16, 2012)
  190. Clandestine [[Rom] Highly customized] (February 6, 2010)
  191. Clash of Worlds [[SWR] SWR] (February 18, 2010)
  192. Classic Discordia [[Embermud] Modified Ember Mud with max level 100.] (December 6, 2011)
  193. Cleft of Dimension [[Rom] 2.4 beta (Heavily Modified)] (March 24, 2009)
  194. Cleft of Dimensions [[Rom] Really Great!] (December 21, 2010)
  195. Clessidra [[Dikumud] (Now called PizzaMUD)] (May 17, 2004)
  196. Coast of Seven Incarnations [[Rom] Rom 2.4b greatly modified] (January 11, 2005)
  197. CoffeeMud [[CoffeeMud] Home of the CoffeeMud code base!] (May 2, 2009)
  198. Cold Space [[MUSH] TinyMUSH version 3.1] (August 18, 2011)
  199. Colorado Dreams [[MUSH] pennMUSH v. 1.8.2p2] (July 13, 2007)
  200. Comic Adventures Mux [[MUX] ] (July 12, 2011)
  201. ConQUEST [[Custom] ] (July 19, 2011)
  202. Condemned [[GodWars] ] (April 13, 2012)
  203. Continents Mud [[Envy] 2.0, Rom 2.4b, plus 14 years of our own coding] (January 12, 2012)
  204. Core [[LP] MudOS: Colonylib] (July 12, 2008)
  205. Corporate Expanse: From the Cradle [[MUSH] PennMUSH 1.8.3p6] (March 28, 2009)
  206. Cosmic Cuttlefish [[MUSH] PennMUSH version 1.8.1 patchlevel 3] (September 26, 2008)
  207. Cosmic Muffin [[MUX] [MUX]] (July 9, 2011)
  208. Cosrin [[Custom] none] (July 12, 2004)
  209. Cosrin: A New Dawn [[Custom] ] (October 6, 2011)
  210. Cotn 2.5.1: The Original [[GodWars] [Dystopia 1.2.7]] (January 22, 2012)
  211. Covenant [[Smaug] / MUX hybrid] (February 4, 2009)
  212. Cowboy Bebop: Space Cowboy [[SWR] Bebop 1.0] (January 4, 2006)
  213. CrackWhip [[TBA] Simply point web browser to http://www.CrackWhip.com/] (March 20, 2008)
  214. Crimson Fate [[AFKMud] Heavily Modified] (June 1, 2009)
  215. Crimson MUD 2 [[Dikumud] Ubuntu Linux system] (January 31, 2011)
  216. Crimson Nightmares [[GodWars] Extremely Customized Gameplay] (March 22, 2006)
  217. Crossroads MUSH [[MUSH] PennMUSH] (March 6, 2012)
  218. Crossroads of Twilight [[Rom] modified] (October 13, 2007)
  219. Cryosphere [[Custom] custom - musicmud] (December 8, 2010)
  220. Cryptal Abyss [SMAUG] (August 17, 1999)
  221. Crystal Mush [[MUSH]] (May 2, 2009)
  222. CrystalDreams [[MUSH]] (September 18, 2003)
  223. Cthulhumud [[Dikumud] Heavily Modified - Cthulhumud Version 9.0] (March 11, 2008)
  224. Cuendillar MUSH [[MUX] MUX 2.7.4.27 #1] (May 27, 2010)
  225. CyberASSAULT [[TBA] Extremely Modified] (November 10, 2011)
  226. CyberSphere [[MOO]] (April 14, 2007)
  227. DB: Sphere of Fantasy [[Smaug] DBNA(Heavily Modified)] (July 28, 2011)
  228. DBZ/Bleach: Worlds Collide [[Smaug] DBZU codebase being heavily modified.] (May 7, 2012)
  229. DBZ: EoC [[Smaug]] (April 8, 2011)
  230. DCU: Legacies of Justice [[MUSH] PennMUSH] (February 24, 2007)
  231. DS Wonderland [[Unknown] Written in Python] (September 27, 2011)
  232. DUMII [[DUM] DUMII] (October 13, 2011)
  233. Daedal Macabre [[Rom] Has bare traces of Rom2.4] (September 21, 2009)
  234. Dalines By Night [[MUSH] TinyMUSH 3.0, Java browser front end.] (December 20, 2001)
  235. Darbonne, the Floating City [[Mordor] Hosted by Styx, an original and early DM] (November 8, 2001)
  236. Dark Castle [[Dikumud] Completely redeveloped by the DC Code Team.] (April 25, 2010)
  237. Dark Forces MUSH [[MUSH]] (March 22, 2011)
  238. Dark Gift [[MUSH] TinyMUSH 3.0 pl4] (October 28, 2004)
  239. Dark Isles [[Circlemud] Oasis Version, heavily modified] (October 17, 2010)
  240. Dark Lair [[GodWars] [Modified Dark City]] (February 2, 2009)
  241. Dark Metal [[MUSH] Rhost] (January 5, 2012)
  242. Dark Prophets MUSH [[MUSH] PennMUSH 1.7.2pl34 modified with TAZ hacks] (March 19, 2001)
  243. Dark Rifts [[Unknown] SCB (1.0.700111) derived from TMI-2] (October 30, 2011)
  244. Dark Risings [[Rom] Rom 2.4 (heavily modified VAMPIRE mud)] (May 8, 2012)
  245. Dark Skies [[GodWars] dystopia[HIGHLY MODIFIED]] (April 9, 2010)
  246. Dark Wizardry [[Envy] heavily modified envy] (January 19, 2011)
  247. Dark and Shattered Lands (DSL) [[Rom] DSL 3.3, Rom2.4] (January 13, 2009)
  248. Dark-Legacy MUD (Dark Legacy MUD) [[Smaug] Modified] (June 29, 2010)
  249. DarkBlade [[MUCK] NMC 1.22 + mods] (May 29, 2002)
  250. DarkWind [[LP] Heavily Modified] (June 25, 2003)
  251. DarkeMud [[LP] the Darkelib] (March 29, 2012)
  252. Darker Realms [[LP] LPMud with custom modifications] (April 13, 2006)
  253. Darkness and Despair [[LP] Nightmare 3.2/DnD] (April 13, 2012)
  254. Darkon Mud [[TBA]] (February 7, 2011)
  255. Darkover [[Circlemud] DIKU/Circle v2.2 (97% rewritten to Custom)] (January 15, 2010)
  256. Darren Reid's The Half Broken Crown: The Broken Kingdoms [[Custom]] (June 14, 2007)
  257. Dartmud [[LP] LP Mud 3.1.2] (November 8, 1999)
  258. Dawn [[LP] modified discworld] (December 9, 2007)
  259. Dawn Mud [[LP] modified discworld] (February 27, 2007)
  260. Dawn of Demise [[Smaug] Derived from SMAUG 1.4] (July 26, 2005)
  261. Dawn of the Ages [[Dikumud]] (September 14, 2006)
  262. Dawning Age of Cybertron [[MUSH] ] (May 3, 2012)
  263. De Digitale Metro [[MOO]] (December 29, 2001)
  264. Dead Souls [[LP] Dead Souls lib] (July 8, 2008)
  265. Dead of Night [[Dikumud] Heavily customized] (January 18, 2006)
  266. Dead of Night LPMud [[LP] Amylaar LPMud] (February 17, 2002)
  267. Death Realms [[Mordor]] (February 17, 2011)
  268. Death's domain [[Dikumud] Heavily Modified,True Multi-Class with Subguild Classes; 70% unique areas] (May 30, 2011)
  269. Deckeon [[Rom] Gutted and Modified Shadowrun style.] (January 10, 2008)
  270. Deeper Trouble [[LP] LDMud 3.3.720] (March 20, 2011)
  271. DeimosMUD [[Circlemud]] (November 25, 2007)
  272. Delphine [[LP] LDMud] (June 29, 2004)
  273. Delusion [[Aber] VME] (August 23, 2001)
  274. DelusionsMUCK [[MUCK] TinyMUCK (Fuzzball)] (June 16, 2001)
  275. Denver: Dark Alliance [[MUX] MUX 2.6.5.27 #3] (July 31, 2008)
  276. Depths of Chaos [[Smaug] LoP - Evolution] (April 6, 2011)
  277. Desolation [[LP] Lima Mudlib, version 1.0a8 (LPMud)] (September 10, 2000)
  278. Devil's Bob MUD (DeBo MUD) (Brasil) [[Circlemud]] (August 23, 2009)
  279. Devil's Silence [[Rot] Heavily Modified RoT] (April 20, 2012)
  280. Devil's Silence II: Battle for Blood [[Rot] ] (July 8, 2011)
  281. Devilshire [[MUX]] (April 25, 2009)
  282. DiamondGate [Envy] (January 12, 1999)
  283. DiamondMud [[Circlemud]] (January 2, 2010)
  284. Dibrova II [[Circlemud] Heavily Modified] (January 3, 2010)
  285. DiscordiaMUSH [TinyMUSH] (July 30, 1997)
  286. Discworld [[LP] Discworld LP] (December 16, 2003)
  287. Distant Lands [[Circlemud] Completely customized since 1994.] (January 25, 2008)
  288. Divided Skies MUSH [[MUSH]] (June 24, 2010)
  289. Divided Sky [[LP] Skylib 1.8] (September 5, 2005)
  290. Divine Blood [[Rom] Rom24b6[Modified]] (December 5, 2008)
  291. Dizzymud [[Rom] Rom 2.4 Base 5 years of modifications] (November 10, 2003)
  292. Dominia MUD [[Circlemud] heavily customised] (January 18, 2010)
  293. Draconia MUD [[Smaug] Strongly modified] (September 12, 2009)
  294. Dragon Ball Arena [[Rom] Rom 2.4, Derived from DikuMUD] (September 30, 2011)
  295. Dragon Ball Nexus of Dimensions [[Smaug] Heavily modified Saga 2.5] (May 18, 2011)
  296. Dragon Ball Star [[Smaug] 1.4a (Modified almost beyond recognition)] (September 10, 2008)
  297. Dragon Realm [[LP] Heavily modified version of Nightmare mudlib running on FluffOS (now with MySQL support!)] (January 11, 2012)
  298. Dragon Swords [[Merc] 14 years of modifications] (July 18, 2010)
  299. Dragon' s Era [[Custom] It has its own downloadable Client and a Telnet address for backup: telnet://tenko.mooo.co] (January 22, 2009)
  300. Dragon's Den [[Custom] LPMud (MudOS)/Dragon mudlib] (January 28, 2008)
  301. DragonBall Evolution [[Circlemud] DBE] (April 13, 2011)
  302. DragonBall Xtreme [[Rom] Rom 2.4, Derived from DikuMUD] (September 30, 2011)
  303. DragonBall: Infinity [[Smaug] Heavily Modified] (June 17, 2009)
  304. DragonKnigth [[Custom] WebBased] (October 15, 2004)
  305. DragonMud [TinyMud] (October 22, 1996)
  306. DragonRealms [[Custom]] (October 1, 2002)
  307. DragonStone [[EOS] Highly Modified from EoS] (June 11, 2006)
  308. Dragonball Advent Truth [[Circlemud] CWG Rasputin 3.5.31 (Heavily Modified)] (December 3, 2011)
  309. Dragonball New Universe: Hopes Beginning [[Smaug] Dbsaga, Dbr, dbna2, dbnu.1.9.5] (October 9, 2011)
  310. Dragonball Revolt [[Smaug] DBS2.0+CFP derivative] (March 22, 2009)
  311. Dragonball Uprising [[Smaug] CFP+DBS derivative] (February 26, 2012)
  312. Dragonball Z Legends [[Smaug] DBNA modified] (March 28, 2012)
  313. Dragonball Z World: Vintage [[Smaug] Heavily modified] (April 24, 2011)
  314. Dragonball Z: Intergalactic Wars [[Smaug] Heavily Modified] (April 16, 2012)
  315. Dragonball: Another Reality MU* [[Circlemud] Masively overhauled] (May 23, 2011)
  316. Dragonball: The Forsaken Future [[Smaug] DBTFF v1.1 ALPHA(DBNA 1.7(Heavilly Modified)] (October 1, 2010)
  317. Dragonfire II [[LP] Custom 2.4.5] (February 12, 2001)
  318. Dragonheart MUD [[LP] ] (October 15, 2011)
  319. Dragons' Star [[Circlemud] Heavily Modified Circle 3.0] (May 19, 2003)
  320. Dream Land [[Rom] ROM+ANATOLIA+DREAMLAND] (January 11, 2009)
  321. DreamScapes 2 MUD [[Circlemud] heavily modified] (April 21, 2012)
  322. Dreams [[Envy] Modified] (April 17, 2011)
  323. Dreams of Demise Rebirth [[GodWars] Modified] (April 28, 2011)
  324. Dreamverse [[LP] Nightmare -DreamIVr1.0] (November 4, 2010)
  325. Duat [[MUSH] ] (September 16, 2011)
  326. Dune [[LP] LP-Mud] (January 10, 2005)
  327. Dune III [[MUSH] Pennmush] (July 23, 2002)
  328. Dungeon Runners [[Rom] Most stock] (May 15, 2004)
  329. Duris: Land of BloodLust [[Dikumud] 99% rewrite of Gamma Diku] (April 17, 2012)
  330. Duskwood [[Rom] Heavy Coded (almost new engine) v.1.6] (November 5, 2010)
  331. DustMARE [[Unknown]] (March 6, 2011)
  332. DynamixMUSH [[MUSH] PennMUSH] (July 23, 2010)
  333. Earthmud [[LP]] (January 6, 2011)
  334. Eaxia Online [[Custom] EaxiaSEL engine, completely custom (from scratch)] (September 29, 2003)
  335. Echoes of Albion [[Circlemud] Oasis Version, Heavily Modified] (December 14, 2010)
  336. Eclipse of Fate: A World Reborn [[Circlemud] heavily modified Circle 3.0 bpl 8] (April 29, 2003)
  337. EdenMUSH [[MUSH] Pennmush-1.8.3] (June 17, 2007)
  338. Edge of Creation [[Smaug] Heavily modified.] (January 4, 2008)
  339. Edge of Darkness [[Dikumud] Heavily modified DIKU] (September 23, 2001)
  340. Edge of Midnight [[Unknown] Heavily modified] (August 29, 2010)
  341. Elan Vital [[MUSH]] (July 5, 2009)
  342. Elendor [[MUSH] PennMUSH (heavily modified)] (May 3, 2006)
  343. Elephant Mud [[LP] MudOS v22] (March 18, 2003)
  344. Elessar [[MUSH] PennMush] (April 15, 2012)
  345. Eltanin Resurrection [Gamma Diku / Eltanin] (February 21, 1999)
  346. Elusive Dreams [[Rom]] (February 6, 2006)
  347. Elysium RPG [[Custom] Elysium] (April 28, 2002)
  348. Emerald City MUX [[MUX] 2.10.0.7] (October 20, 2011)
  349. Enchantment Under the Sea [[Unknown] ArIEN/Amnuts 2.0.1 Base - Talker] (February 23, 2001)
  350. End of the Line [[LP] LD Mud driver] (October 26, 2000)
  351. Enden's Keep [[Circlemud] CWG Derivative with modifications.] (March 8, 2011)
  352. Endless City [[MUSH] ] (February 26, 2012)
  353. Enkidu [[LP] Amylaar 03.02@319 Compat] (December 11, 2002)
  354. Ensimud [[Circlemud] Circle 2 Modified] (May 10, 2006)
  355. Epitaph [[LP] Heavily modified Discworld mudlib] (March 16, 2012)
  356. Epocas de Caos [[LP]] (September 18, 2010)
  357. Epoch [[Custom] Written in ColdC, core written from scratch] (September 2, 2003)
  358. Equilibrium MUD [[AFKMud] italian afkmud & tnn engine derivate] (November 21, 2011)
  359. Erotic Labs [[MUCK] ProtoMUCK] (May 14, 2005)
  360. Escape from Destiny [[Smaug] Modified Code] (November 17, 2002)
  361. Et in Barcino Ego... [[MUX]] (May 16, 2006)
  362. Eternal Night II [[GodWars] heavily modified GodWars code, EN code 2.99] (March 20, 2006)
  363. Eternal Visions [[Circlemud]] (November 6, 2010)
  364. Ethereal Mists [[GodWars] Godwars Deluxe Heavily Modified] (February 3, 2010)
  365. Everdark [[LP] MudOS] (March 17, 2011)
  366. Everwar (Rebirth) [[Emlenmud] Heavily modified EverwarMUD 4.0] (June 28, 2011)
  367. Everwar MUD [[Emlenmud] Unix Server] (January 28, 2010)
  368. Everwar: Rebirth [[Emlenmud] Originally derived from Rites of Passage and Everwar] (March 20, 2012)
  369. Evolution Rising [[AFKMud]] (July 26, 2009)
  370. Exile [[Circlemud] Circle3.0 heavily modified] (November 5, 2002)
  371. Eye of the Cyclops II [[Rom] (Rom/Rot) Highly Customized] (December 9, 2010)
  372. Eye of the World MUD [[LP] Revamped and rewritten (Originally TMI-2)] (December 7, 2005)
  373. Fallout [[Circlemud] Heavily Modified] (October 1, 2007)
  374. Fantasy Land [[Rot] Rot 1.4 & Rom 2.4] (January 27, 2012)
  375. Fantasy Moon [[MUSH] Rhost Mush with Reality Levels Defined] (November 29, 2009)
  376. Fatal Dimensions [[Rom] ROM 2.4b6 Heavily Modified] (April 23, 2004)
  377. Fate's Nemesis [[CoffeeMud] Heavily Modified] (December 31, 2011)
  378. FateMud [[Emlenmud] Heavily Modified Code] (July 8, 2011)
  379. FeatherMUCK [[MUCK] TinyMu] (April 30, 2000)
  380. Federation II [[Custom] C++] (April 12, 2009)
  381. FieryMUD [[Circlemud] Heavily Modified] (February 3, 2009)
  382. Final Fantasy MUSH [[MUSH] PennMUSH] (April 2, 2011)
  383. Final Fantasy MUX [[MUX] MUX 2.6.4.25] (February 9, 2012)
  384. Final Realms [[LP] LP mud with MudOS] (April 7, 2010)
  385. FinalFrontier [[LP] LDMud 3.3] (July 26, 2003)
  386. FinalMud [[Circlemud] heavily modified] (November 7, 2009)
  387. Firan [[MUX] TinyMUX 1.6 with many mods] (August 13, 2002)
  388. Fires of Kaos [[Dikumud] >SillyMUD >*RO >*KaosHQ >*Joynt >*FoKMUD ( some circleMUD)] (March 23, 2009)
  389. Flexible Survival [[MUCK] ProtoMUCK] (February 26, 2012)
  390. Flights 'n Tights [[MUX] ] (April 27, 2012)
  391. FlipSide Muck [[MUCK] Derived from Fuzzball 5.64] (September 16, 2003)
  392. FluffMUCK [MUF/MPI] (May 2, 1998)
  393. FluxWorld [[MOO] LambdaMOO Core 1.81] (July 30, 2011)
  394. Foo MOO [[MOO] Lambda Core Ver 1.8.0p6] (October 10, 2000)
  395. Forbidden Lands [[Dikumud] Modified] (March 7, 2010)
  396. Forgetown [[MUSH]] (May 10, 2011)
  397. Forgotten Kingdoms [[Smaug] Runs DnD 3.5 rules] (March 2, 2012)
  398. Fossworld The Arcade [[Circlemud] ver 3, modified] (June 15, 2011)
  399. Four Color Comics [[MUX]] (February 4, 2010)
  400. FoxMUD [[Merc] Way modified - snippets from lots of codebases] (April 14, 2012)
  401. Frandum [[DUM] Entirely rewritten DUMII] (February 6, 2012)
  402. FurToonia [[MUCK]] (September 11, 2010)
  403. FurryFaire [[MUCK] Proto MUCK] (November 16, 2008)
  404. FurryMUCK [[MUCK] Fuzzball MUCK 2.2fb6.x whatever] (July 21, 2002)
  405. Furscape [[MUCK] ProtoMUCK] (February 8, 2010)
  406. FutaMUX [[MUX] TinyMUX 2.6] (June 17, 2007)
  407. Futile Shadows Mud [[Rom] mixed with quickmud] (August 23, 2011)
  408. GATEWAY - The MU* Community (formerly Online Gaming Resource) [[MUX] MUX 2.6] (March 11, 2009)
  409. GD2K - Gold Digger 2000 MUSH [[MUSH] PennMUSH 1.7.4 pl 10] (October 24, 2001)
  410. GI Joe MUSH [[Unknown] ] (February 29, 2012)
  411. Galactic Trader [[Custom] GalTrader 4.55, revision 4.4] (April 5, 2008)
  412. Gamma World [[MUX]] (July 31, 2009)
  413. GarouMUSH [MUSH] (October 13, 1998)
  414. Gate Crashers MUX [[MUX] MUX 2.2.10] (December 13, 2003)
  415. GateWay [[LP] GWlib (with portions of TMI-2) on MudOS v21] (May 2, 2009)
  416. Geas [[LP] DGD] (February 3, 2007)
  417. GemStone IV [[Custom] v 4.02] (October 4, 2002)
  418. Genesis [[LP] LPMud - CDlib 06.01] (October 24, 2011)
  419. Genesis: The Return [[GodWars] Ethereal Mists Derived] (May 4, 2012)
  420. Genocide [[LP] heavily modified Amylaar 3.2.1@141, from-scratch custom lib] (July 27, 2009)
  421. Ghostwheel [[MOO] LambdaCore/GhostCore] (April 19, 2000)
  422. GinkoMud [[MUCK] Protomuck 1.70] (February 20, 2002)
  423. Ginzuishou MUX [[MUX] v2.0] (November 9, 2008)
  424. Gizmo DikuMud [[Dikumud]] (August 23, 2007)
  425. Glynrhos: the Guilded Age [[MUX]] (September 8, 2008)
  426. God Wars II [[Custom] Custom] (May 7, 2012)
  427. GodWars: Rawdawgz [[GodWars] old school godwars for u all :)] (April 8, 2011)
  428. GodWars: Rebirth Of Apocalypse [[GodWars] Apocalypse] (April 20, 2012)
  429. Godwars A Moment Of Hatred [[GodWars] Crusade V1 updated] (October 12, 2011)
  430. Golden Realms Muck [[MUCK] Fuzzball v5.68] (July 27, 2003)
  431. Gorram MUSH [[MUSH] PennMUSH] (June 11, 2010)
  432. Gotham City MUSH [[MUSH] ] (April 8, 2012)
  433. GreaterMUD [[Unknown] MajorMUD Clone] (October 16, 2008)
  434. Grendel's Revenge [[Custom] Based on DGD] (June 10, 2002)
  435. Gueldenland [[LP] LDMud 3.2.11-dev.645] (July 3, 2004)
  436. Gundam Wing Operation Meteor [[SWR] ] (May 12, 2012)
  437. Haelrahv [[Custom] Custom, Supports the Wizard Front End] (February 10, 2010)
  438. Haezyn [[MUSH] FB6] (February 5, 2012)
  439. Harry Potter: Alere Flammas MUSH [[MUSH] TinyMUSH 3] (February 19, 2006)
  440. Harry Potter: Another Reality [[Custom] ] (June 27, 2011)
  441. Harry Potter: Into The Fire [[MUSH] PennMUSH v1.8x] (June 27, 2010)
  442. Harshlands [[Dikumud] Heavily Modified] (November 18, 2010)
  443. Haunted Memories: Vienna by Night [[MUSH] Rhost] (October 29, 2007)
  444. Haven [[LP] Nightmare] (August 14, 2011)
  445. Haven Of The Embraced [[Rom] Heavily modified] (April 12, 2012)
  446. Heart of the Wyld [[MUSH] TinyMUSH 3] (April 22, 2012)
  447. Heavy Gear Mux [[MUX]] (August 29, 2001)
  448. Hell [[MOO] Heavily Modified MOO] (January 10, 2011)
  449. Hell: After The End [[MOO] Modified LamdaMOO] (July 25, 2011)
  450. Helliconia [[Dikumud] Current version 3.5] (April 23, 2010)
  451. Hercules MUD [[Circlemud] Heavily modified running on FreeBSD] (March 4, 2010)
  452. Heroes Awakening MUX [[MUX] TinyMUX 2.9.1.7] (January 10, 2011)
  453. Heroes MUSH [[MUSH] PennMUSH] (July 6, 2010)
  454. Heroes: Sin City [[MUSH] ] (March 18, 2012)
  455. Hexahedron [[Rom] Very Heavily Modified] (May 7, 2011)
  456. Hidden Nirvana [[MUCK] ProtoMUCK] (September 18, 2010)
  457. Hidden Worlds [[Merc] Diku] (April 14, 2009)
  458. Hideaway MUSH [[MUSH] PennMUSH 1.7.7pl34 with minor hacks to the source.] (July 31, 2006)
  459. Hiervard [[Circlemud] modified hardly] (July 31, 2003)
  460. HighVelocity Paintball (HVPB) [[Custom]] (April 28, 2005)
  461. Hogwart's Wizard Town MUSH [[MUSH] PennMUSH version 1.8.3 patchlevel 6 [01/01/2008]] (April 2, 2008)
  462. Hogwarts: LEGACY [[MUSH] Pennmush] (June 26, 2010)
  463. HogwartsMOO [[MOO] MOO 1.8.1 + WAIF & FUP] (April 12, 2009)
  464. Hollow World [[Circlemud] Deeply modified] (November 29, 2003)
  465. HoloMuck [[MUCK] mousemuck] (February 23, 2005)
  466. HoloTrek [[ColdMud] Cold Genesis] (January 29, 2012)
  467. Holomud 2000 [[Dikumud] Updated Version] (September 20, 2002)
  468. Holy Mission - Remains from the Past [[LP]] (February 23, 2011)
  469. Holy Mission 99 [[LP] ] (October 26, 2011)
  470. Holy Mission 99 - Resurrected - [[LP] you can use port 81 or 6666] (April 25, 2011)
  471. HolyQuest [[Custom] C++] (June 20, 2010)
  472. House of Ghouls [[Smaug] Heavily modified. Has a unique random code.] (May 29, 2011)
  473. Hrielith [[Unknown] Radically Re-engineered Mordor server] (December 21, 2011)
  474. Hyperborea [[LP] with ANSI color support] (August 19, 2004)
  475. I Spy Mush [[MUSH]] (August 27, 2010)
  476. Iberia MUD [[Custom] Iberia MUD Engine (Custom, Java)] (August 30, 2010)
  477. Icesus [[LP] Icelib] (April 8, 2009)
  478. IcewindMUD [[LP] MudOS] (August 18, 2004)
  479. Iconoclast [[Circlemud] Circle 3.0 (Highly Customized)] (January 23, 2008)
  480. IgorMud [[LP] DGD] (February 26, 2006)
  481. Illusia: Quest for the Eternals [Custom/Graphical] (August 24, 1997)
  482. Illusions of the Mind [[Rom] Rom 2.4] (February 4, 2012)
  483. Imperial v3.5 [[Dikumud] Highly modified Diku] (November 4, 2003)
  484. Imperian: The Sundered Heavens [[Custom]] (August 3, 2006)
  485. Imperium [[Dikumud] Diku (Modified)] (October 23, 2011)
  486. In Nomine: R&D [[MUX]] (April 4, 2009)
  487. Inferno:Shadows of New York [[Custom] ] (August 12, 2011)
  488. Infinite Journey [[MUCK] ProtoMuck] (February 16, 2009)
  489. Infinite Planes [[Circlemud] Heavily modified Circle] (January 16, 2003)
  490. Insidious Awakening [[GodWars] Battle of the Immortals] (April 18, 2011)
  491. Insidious Awakening II - Rebirth [[GodWars] IA 1.2/BotI] (May 12, 2012)
  492. Insomniacs Asylum [[Rom] ROM Version 2.4 beta w/many modifications] (March 6, 2011)
  493. Insymnia - New [[Circlemud] Heavily Modified ] (March 5, 2012)
  494. Intrigue [[MUX]] (May 24, 2009)
  495. Ironclaw Online [[Unknown]] (January 29, 2007)
  496. Isengard [[Mordor] Mordor 6.99m8] (May 18, 2005)
  497. Ishar [[Custom]] (March 4, 2002)
  498. Islands of Myth [[LP] Started from lima 1.0b3] (March 15, 2009)
  499. Isles of Aedin [[Custom]] (October 23, 2010)
  500. Ivalice [[Rom] IV:C] (February 14, 2012)
  501. Java Tele-Arena [[Custom] Based on Tele-Arena 5.56d] (June 2, 2011)
  502. JediMUD [[Dikumud] Originally a modified Sequent II] (March 15, 2011)
  503. JipangMuck [[MUCK] ProtoMUCK 1.70] (October 4, 2001)
  504. Jupiter's Children MUX [[MUX]] (August 16, 2007)
  505. Jusenkyo Mordor [[MUSH] Fully custom MUSH-styled codebase.] (January 12, 2011)
  506. Justice League Unlimited MUX [[MUX] 2.6.2.21 Beta] (August 6, 2009)
  507. Kallisti MUD [[Dikumud] Diku/Original] (October 4, 2004)
  508. Kerovnia [[LP] LD-2.4.5-Kerov on LDMud 3.2.9] (April 11, 2006)
  509. Killer MUD [[Rom] 2.4 - hevy modified] (January 29, 2011)
  510. Kindred Spirits [[Rot]] (October 13, 2008)
  511. Kingdom Heroes [[Rom] KH Codebase] (December 6, 2011)
  512. Kingdoms [[LP] LPC] (August 14, 2001)
  513. Kingdoms of the Lost [[Rom] 2.4 (Heavily Modified)] (September 17, 2004)
  514. Kingdoms3 [[Custom] Web/Turn Based Game] (March 10, 2000)
  515. KinslayerMUD [[Circlemud] heavily modified] (March 11, 2009)
  516. KitsuMUCK [[Unknown] ProtoMUCK] (February 17, 2009)
  517. Koitola [[Custom]] (February 7, 2008)
  518. Kushiel's Debut [[MUX] TinyMUX 2.3] (March 13, 2011)
  519. LA: A House Divided [[MUX] MUX 2.3.4.23 #2] (June 11, 2006)
  520. Labyrinthus Latinus [[LP] 03.01.02 (pure LPMUD)] (April 27, 2001)
  521. Lac [[Envy] LacMUD - heavily modified Envy2.2] (October 27, 2005)
  522. Lambda Moo [Lambda Core] (July 20, 1997)
  523. Land of Neverending War [[GodWars] Heavy modified version] (October 6, 2010)
  524. Land of the Lost Unicorn [[Rom] 2.3 Heavily Modified] (July 31, 2001)
  525. Land of the Midnight Sun [[GodWars] Modified] (March 17, 2011)
  526. Lands of M'dhavian [[Rot] heavily modified] (April 26, 2010)
  527. Lands of Redemption [[Rot] Heavily modified] (April 25, 2012)
  528. Lands of Stone [[Mordor] Modified as Flint] (January 22, 2004)
  529. LandsofChaos [[ResortMUD] Heavily Customized] (July 6, 2011)
  530. Latitude [[MUCK] Fuzzball MUCK 6.00] (March 14, 2006)
  531. Le Jardin Mystique [[MUCK] Fuzzball6] (February 7, 2005)
  532. Legacy [TinyMuck 2.2, Fuzzball 5.60, GlowMuck 3.0.0] (June 13, 1998)
  533. Legend of the Nobles [[Rom] mostly original with ROM 2.4 structure] (January 1, 2011)
  534. LegendMUD [[Dikumud] Architecturally derived from Diku, with 16+ years of modifications.] (August 25, 2010)
  535. Legends Forgotten [[Rom] Rom2.4 Heavily Modified LF5.1] (December 30, 2007)
  536. Legends of Excalibur (LoE) [[Smaug] Heavily modified 1.4 source.] (August 24, 2010)
  537. Legends of Terris [[Custom] The Horizon Engine] (September 17, 2002)
  538. Legends of Xenobia MuD [[AFKMud] Heavily Modified] (October 21, 2011)
  539. Legends of the Darkstone [[Smaug] Smaug] (January 24, 2007)
  540. Legends of the Jedi [[SWR] Heavily modified SWR 1.0] (June 2, 2009)
  541. Lensmoor [[Rom] Nearly all rewritten] (February 7, 2011)
  542. Leviathan [[LP] Leviathan (NM IVa)] (September 24, 2001)
  543. LifeMUD [[Circlemud] Heavily modified CodeBase] (April 21, 2011)
  544. Liosliath Mush [[MUX]] (April 6, 2009)
  545. LochNess [LP] (July 12, 1999)
  546. London Underground [[Unknown] RhostMUSH] (October 8, 2010)
  547. Los Angeles by Night [[GodWars] (Heavily customized: RP-only)] (March 19, 2012)
  548. Lost Dragon Chronicles [[Custom] Custom Code using some ROM areas] (June 28, 2010)
  549. Lost In Time [[LP] rewritten Nightmare IV] (February 7, 2010)
  550. Lost Kingdoms [[Circlemud] highly modified] (September 11, 2007)
  551. Lost Lands [[Circlemud] CWG Doom derivative of circle] (August 18, 2011)
  552. Lost Prophecy [[Smaug] Smaug based, custom code. (SmaugFUSS1.7 used as a reference point)] (July 13, 2011)
  553. Lost Souls [[LP] Modified LDMud] (May 6, 2011)
  554. Lost Wishes [[LP] MudOS TMI-2 Fully customized] (September 3, 2009)
  555. Lothlorien [[Rot] Loth 1.0 [ROM 2.4 / ROT 1.4]] (September 4, 2009)
  556. Lua-Uhane [[LP] Nightmare based mudlib] (January 2, 2006)
  557. Lumen et Umbra [[Dikumud] BeneMud] (May 20, 2001)
  558. Lurking Fear 3 [[Unknown] ROM, GW, Lurf] (August 1, 2005)
  559. LusitaniaMOO [[MOO] FooCore] (April 18, 2011)
  560. Lusternia: Age of Ascension [[Custom]] (August 2, 2006)
  561. M*U*S*H [[MUSH] PennMUSH] (November 16, 2000)
  562. MOO Canada, Eh? [[MOO] LambdaMOO] (June 18, 2000)
  563. MOOSE Crossing [MOOSE] (March 12, 1997)
  564. MOOsaico [[MOO] 1.8.1] (March 24, 2005)
  565. MTBS Nations at War [[Unknown]] (March 10, 2008)
  566. MUCK University [[MUCK] GlowMUCK 3.2.1] (March 15, 2011)
  567. MUD Valinor [[Smaug] (Heavily modified)] (November 22, 2008)
  568. MUD2 [[Custom] MUD2] (August 3, 2000)
  569. MUDII [[Custom]] (December 10, 2007)
  570. MULTI MUD! [[Circlemud] CircleMUD 3.0bpl8, highly modified] (March 10, 2009)
  571. MUME - Multi Users In Middle Earth [[Dikumud] Dikumud I derived] (May 26, 2009)
  572. MUSHMellow [MOO] (April 26, 1997)
  573. MUX: The Series [[MUX] TinyMUX] (June 15, 2009)
  574. Macross: New Horizon [[MUSH] PennMUSH] (March 2, 2012)
  575. MaddockMUX [[MUX] [MUX]] (February 8, 2004)
  576. Maiden Desmodus [[Custom]] (June 30, 2010)
  577. Malacious Bliss [[Rot] DRM/SD] (September 24, 2011)
  578. Malevolence [[LP] Heavily modified H7] (July 8, 2007)
  579. Marvel MUCK - Heroes of New York [[MUCK] Proto Muck] (July 21, 2009)
  580. Marvel Revolution [[MUCK] Heavily modified] (February 21, 2009)
  581. Marvel Untold [[MUX] MUX 2.7.4.29] (August 12, 2011)
  582. Marvel: City of Lights [[MUSH] TinyMUSH] (May 13, 2012)
  583. Marvel: The Rift [[MUX] 2.9] (August 4, 2010)
  584. Marvel: Unlimited [[SWR] Modified FotE -> MARVEL] (March 15, 2011)
  585. Masquerade [[MUX] TinyMUX] (May 9, 2011)
  586. Mass Chaos [[GodWars] Mindcloud 2.0 and Rek-Mud Modified (Active Pbase)] (September 21, 2011)
  587. Match Of The Millennium [[MUCK]] (October 17, 2010)
  588. Materia Magica [[Custom] IEN (Interactive Entertainment)] (September 14, 2009)
  589. MatrixMUD [[Circlemud] LexiMUD] (August 31, 2008)
  590. Mayhem [[Rot] modified] (March 7, 2011)
  591. Meadow [[MOO] ] (April 25, 2012)
  592. Meadows MUCK [[MUCK] GlowMUCK] (February 13, 2012)
  593. MediaMOO [MOO] (May 28, 2010)
  594. Medieval Theatre [[LP]] (April 18, 2002)
  595. Medieval Times MUD [[Circlemud] [Circlemud heavily modified with an SQL backend]] (May 18, 2009)
  596. Medievia [[Custom] Custom] (July 22, 2006)
  597. Mega Man Mush [[MUSH] PennMUSH version 1.8.3 patchlevel 9 [02/28/2008]] (June 9, 2009)
  598. Memories of Legend [[MUSH]] (October 25, 2009)
  599. Merentha [[LP] Merentha/NM MM-2.03] (May 17, 2003)
  600. Metropolis Universalis [[MUCK] ProtoMuck] (March 31, 2011)
  601. MicroMUSE [[MUSE] TinyMUSE v1.7b4.0.0 beta] (January 23, 2006)
  602. Midian [[LP]] (January 7, 2006)
  603. Midnight Dreams: Final Nightmare [[GodWars] MD 1.0] (May 28, 2011)
  604. Midnight Sun 2 [[LP] ] (December 18, 2011)
  605. Might and Magic [[Silly] Diku/Silly/MnM 2.06] (October 12, 2011)
  606. Mindor [[Rot] Mindor created by Kizeren] (February 27, 2011)
  607. Minerva [[LP] Dead Souls 3.6] (March 3, 2012)
  608. Minstrel Hall [[Custom]] (August 17, 2010)
  609. Miriani [[MOO] Heavily modified LambdaMOO] (November 17, 2007)
  610. Mirkwood [[Rom] Heavily Modified] (August 1, 2011)
  611. Mirrors of the Wheel [[Circlemud] Heavily modified] (May 5, 2012)
  612. Moments of Hatred [[GodWars] Moments of Hatred 4.0] (May 5, 2012)
  613. Moomellow [[MOO]] (October 8, 2003)
  614. Moonlit Tavern [[MUSH] RhostMUSH Alpha 3.9.1RL(A).p1] (November 1, 2010)
  615. Moral Decay [[LP]] (January 2, 2008)
  616. Mordor [[Merc] DIKU/MERC/MORDOR 11.0] (September 2, 2009)
  617. MorgenGrauen [[LP] LDMud-3.5.0] (September 26, 2011)
  618. Mortal Realms [[Merc] Extremely customized] (June 25, 2003)
  619. Mozart MUD [[Silly] +18 years of development] (October 18, 2011)
  620. Mud Dweller [[Unknown] Worldgroup v3.20NT v1.1g + mods] (October 28, 2001)
  621. Mud of Chance [[Dikumud]] (October 14, 2002)
  622. Muddy Waters [LPmud (CD)] (March 24, 1999)
  623. Multi MUD [[Custom] Inspired by CircleMUD] (July 16, 2006)
  624. Multi-User Dungeon (British Legends) [[Custom] Ported from the BCPL original] (December 23, 2000)
  625. Multiverse Crisis MUSH [[MUSH] PennMUSH] (February 11, 2012)
  626. Mutatis Mutandis MUX [[MUX] TinyMUX 1.4] (April 8, 2003)
  627. MyristicaMUCK [[MUCK] ProtoMUCK] (August 16, 2011)
  628. Myrradel [[Envy] Heavily, heavily, heavily modified UltraEnvy mud.] (December 22, 2003)
  629. Mystery Mud [[Rom] Modified] (September 30, 2011)
  630. Mystic [[LP] Heavily Modified] (July 1, 2004)
  631. Mystic Adventure [[Merc] Merc 2.2 base heavily modified] (July 21, 2006)
  632. Mystical Mud [[Circlemud] Heavily Modified CircleMud] (September 13, 2009)
  633. NYC: Veil of Shadows [[MUSH] PennMUSH] (April 30, 2012)
  634. NannyMUD [[LP] Very extended LPMud] (January 27, 2003)
  635. Nanvaent [[LP] Driver: NANVAENT 3 (MudOS v22.2b14)] (April 3, 2007)
  636. Narnia MUCK [[MUCK] Muck2.2fb5.68 -- GlowMuck 3.2.1Alpha4] (April 19, 2012)
  637. Naruto Mush: Rivalry [[MUSH]] (July 1, 2008)
  638. NarutoMUD [[Smaug] Modified SmaugFUSS, NarutoMUD (Engine)] (May 29, 2010)
  639. NaughtyMuffin MUSH [[MUSH] PennMUSH 1.8.5p0] (April 18, 2012)
  640. Nebbie Arcane [[Dikumud] AlarMUD (modified diku mud)] (October 23, 2002)
  641. NecroMOO: Craggy Island [MOO] (July 7, 1999)
  642. Necromium [[Circlemud] Circle/Diku] (April 14, 2004)
  643. Necromundus [[MUSH] PennMUSH] (August 7, 2009)
  644. Neronis [[Rom] ROM 2.4b6] (July 4, 2009)
  645. NetherLand [[Merc] Branched off NetherWorld] (October 10, 2004)
  646. NetherWorld [[Dikumud] Merc Diku 2.2] (May 20, 2009)
  647. New Boston 2025 [[MUX]] (June 7, 2004)
  648. New Bourn Kaos [[GodWars] Dystopia 2] (December 11, 2011)
  649. New Draconia Muck [[MUCK] Fuzzball] (January 11, 2004)
  650. New Earth 2438 [[SWR] FotEFUSS - Modified] (April 2, 2011)
  651. New Eden Mud [[Circlemud] Heavily Extended] (November 5, 2011)
  652. New Horizons [[Dikumud] [Heavily Modified]] (July 22, 2004)
  653. New Moon [[LP] LPMud] (November 3, 2001)
  654. New Worlds [[Custom] LP Mud] (January 14, 2011)
  655. Night War Paradox [[Rot] rot paradox pkp slightly modified] (November 8, 2011)
  656. Nightfall [[LP] ] (March 19, 2012)
  657. Nightmist [[Custom]] (March 23, 2001)
  658. Nilgiri, the Forgotten World [[Dikumud] DikuMUD (heavily modified)] (November 3, 2001)
  659. Nirvana [[LP] LP 3.1.02-DR] (July 14, 2008)
  660. No Reality [[Rom]] (January 29, 2009)
  661. Nodeka [[Custom] Custom] (June 11, 2004)
  662. Noir Haven MUCK [[MUCK] ProtoMUCK] (November 27, 2011)
  663. Northern Crossroads [[Dikumud] 8 years-modification] (February 14, 2001)
  664. Northern Lights [[Aber] AberMUD 4 - NL-dirt (based on DIRT 3.0)] (October 23, 2004)
  665. Northern Vampire Mysteries [[MUX] ] (February 15, 2012)
  666. Nuclear War [[LP] Heavy modification] (April 16, 2012)
  667. Nystagmos [[Custom] VB6] (September 16, 2009)
  668. Olympus Island MUSH [[MUSH] Penn 1.7.7p28] (June 24, 2004)
  669. Omphalos [[MUSH] Pennmush] (June 13, 2010)
  670. Once Upon A Time... Steampunk! [[LP]] (February 28, 2011)
  671. Order of Chaos [[Dawn] Highly Modified] (November 3, 2009)
  672. OtherSpace [[MUSH] PennMUSH] (May 7, 2012)
  673. OtherSpace: Millennium [[MUSH]] (July 19, 2008)
  674. Otherworld, the land of Tirn Aill [[Circlemud] Customized] (April 16, 2012)
  675. OurPlace MUD [[Envy] Heavy Modified] (April 23, 2009)
  676. OuterSpace [LP MUD] (October 1, 1999)
  677. Overdrive [MudOS] (December 13, 1997)
  678. OzMUSH [[MUSH] ] (August 18, 2011)
  679. PMC MOO [[MOO]] (September 30, 2003)
  680. Palavi [[Dawn]] (May 28, 2004)
  681. Pandora's Box: Reopened [[Oblivion] pbox 0.2] (March 16, 2012)
  682. Paradigm MOO [[ColdMud] Genesis 1.1.12b/ColdCore 3.6] (January 16, 2012)
  683. Pegasus [[MUCK] TinyMUCK with minor customizations since the 90s] (July 19, 2011)
  684. Perilous Realms [[Custom] PR, in the spirit of SillyMud] (October 19, 2010)
  685. PernMUSH [TinyMUSH 2.2.4] (September 22, 1998)
  686. PernWorld [[MUSH]] (April 1, 2002)
  687. Persona MUSH [[MUSH]] (May 28, 2010)
  688. Petria [[Merc] medieval, español, castellano] (August 9, 2010)
  689. PhantasyWorld [[MOO] LambdaMOO, version 1.8.2u4g2 (VMOO compatible)] (January 30, 2006)
  690. Phidar [[Smaug] Heavily modified Smaug] (March 9, 2009)
  691. PhoenixMUD [[Circlemud] Circle 3.0, heavily modified] (February 2, 2009)
  692. Pict [[Rom] Heavily Modified ROM] (February 29, 2012)
  693. PioneerMUSH [[MUSH]] (January 12, 2011)
  694. PixieMUD [[LP] LDMud 3.3.719] (August 8, 2010)
  695. Pokemon Frontier MUCK [[MUCK] Fuzzball] (March 9, 2011)
  696. Pokemon Palladium (PX4) [[MUCK] ProtoMUCK 2.0] (September 3, 2009)
  697. Powermud [[LP] LPMUD 2.4.5 Heavily Modified] (June 29, 2005)
  698. Primal Darkness [[LP] Nightmare/Carnage] (December 9, 2009)
  699. Primordiax [[Custom]] (June 15, 2010)
  700. Prodigy Academy [[MUCK]] (November 9, 2006)
  701. Project Bob [[Rom] More than heavily modified.] (January 18, 2009)
  702. Project Twilight [[Rom] Heavily modified, gutted and rewritten.] (December 3, 2011)
  703. Promage [[Custom] Visual Basic 6] (April 27, 2012)
  704. Prophecies of the Pattern [[Rom] Heavy Modified] (May 14, 2006)
  705. Prophecy [[Rom] Modified ROM 2.4] (February 22, 2004)
  706. QuarantineMUD: Chronicles [[Circlemud] pl12, Heavily Modified] (January 27, 2008)
  707. RIFTs: Rise From Chaos [[MUSH] TinyMUSH 3.0] (October 15, 2002)
  708. RPG Basement [[Custom] n/a] (July 10, 2000)
  709. Raccoon Muck [[MUCK] Fuzzball] (February 13, 2000)
  710. Radairk [[Smaug] FaerieMUD 1.0, strong customization from Smaug.] (June 11, 2001)
  711. Rage of Vengeance [[Smaug] Ragemud (99% modified SMAUG)] (May 22, 2009)
  712. Ragnarok [[LP]] (June 14, 2010)
  713. RanmaMUCK [[MUCK] TinyMUCK fb5.66] (February 27, 2001)
  714. Rauvyon [[Dikumud] SOD. Fully multi threaded.] (June 21, 2006)
  715. RavenMUD [[Circlemud] Circle 3.0bpl11] (September 27, 2009)
  716. Ravenswood Academy [[MUX]] (September 15, 2010)
  717. Raze the Dead [[Circlemud] LexiMUD] (March 15, 2010)
  718. Razor's Edge [[Circlemud] Modified Circle base, with clans, remorts, new spells and skills, many original zones, e] (August 29, 2011)
  719. Reality Bytes [[Smaug] heavily modified] (September 15, 2009)
  720. Realm of Magic [[Circlemud] Massively Modified] (January 28, 2012)
  721. Realm of Shadows [[Smaug] Heavily Modified Smaug] (October 14, 2009)
  722. Realm of Utopian Dreams [[Rom] uniquely and heavily modified] (November 9, 2010)
  723. Realms Eternal [[Rom] Modified Rom2.4b6] (May 29, 2011)
  724. Realms of Chaos [[LP] ChaosLib 1.0/Nightmare 3.2] (January 30, 2005)
  725. Realms of Corl [[MUSH] [MUSH]] (November 2, 2004)
  726. Realms of Despair [[Smaug] Development Site for SMAUG] (January 30, 2008)
  727. Realms of Discordia [[Rom]] (November 7, 2010)
  728. Realms of Redemption [[LP] Modified Discworld] (November 4, 2010)
  729. Realms of the Dragon [[LP] LP] (August 19, 2010)
  730. Realmsmud [[LP] LDMud 3.2.9-Dev.489] (April 2, 2011)
  731. Reanimation [[Rom] Highly Modified] (November 27, 2011)
  732. Rebirth Mush [[MUSH] Tinymush 3.0] (April 26, 2004)
  733. Red Tide MUX [[MUX]] (February 29, 2008)
  734. Redemption [[Rom] Significantly modified Rom 2.4] (May 17, 2010)
  735. Redwall [[MUCK] Nameless MUCK Code 1.21] (February 14, 2012)
  736. Rehobaom's Legacy [[Rom] Rom 4.1 [Athen 1.2]] (July 26, 2005)
  737. Reinos De Leyenda - Los años oscuros [[LP] LPmud version: FluffOS v2.22-RL // Mudlib version: Pusa-v2.1] (December 5, 2011)
  738. Renegade Outpost 5 [[Silly] Heavily Modified over 15 years] (March 22, 2008)
  739. Resurrected Abandonment [[Rot] Rot 1.4 Heavily Modified, Inspired By Many Similar] (June 28, 2010)
  740. Retaliation [[GodWars] ] (February 9, 2012)
  741. RetroMUD [[LP]] (February 15, 2010)
  742. Return of the Shadow [[Circlemud] Circle (heavily modified) -- smooth transition into C++ original code is planned] (August 19, 2007)
  743. Revelation [[Custom] Server uses a custom protocol and own client, NOT telnet.] (March 27, 2008)
  744. Rifts: Chronicles of Kingsdale [[MUSH] Tinymush 3.0b19 #1] (May 24, 2009)
  745. Rillaspora [[Custom] n/a] (May 9, 2004)
  746. Ring of Power [[Unknown] PerlMUD, severly modified] (August 3, 2011)
  747. Rise of Warriors [[Custom]] (February 28, 2011)
  748. Rising Sun [[MUSH]] (March 2, 2010)
  749. RivaMUSH [[MUSH] RhostMUSH] (July 5, 2005)
  750. River of Flame [[Merc] Insanely Modified] (October 9, 2011)
  751. Road to Amber [[MUSH] TinyMUSH 3] (October 26, 2009)
  752. Rocca d'Argento [[Smaug] - v3.0] (February 2, 2009)
  753. RoninMUD [[Dikumud] Modified Diku Gamma] (February 27, 2012)
  754. Round Table 3 [[LP] LPMUD 3.1.1 - DR] (February 9, 2001)
  755. RubbeRoom [[LP] Heavy Modifications!] (December 20, 2007)
  756. Rupert [[MOO]] (July 13, 2001)
  757. Ryksyll MOO [[MOO] 1.8.1] (March 2, 2004)
  758. SC: Heroes of Space [[MUCK] ProtoMUCK] (March 13, 2011)
  759. SDFmud [[ResortMUD]] (February 22, 2011)
  760. SMiLE [[Aber] Heavily modified iDiRT derivation] (April 7, 2003)
  761. ST: Darkness Within [[MUSH] PennMUSH1.8+Modified ASpace] (April 5, 2010)
  762. STAR WARS: AGE OF ALLIANCES [[MUSH] A Star Wars RPG with over a decade of experience!] (March 1, 2012)
  763. STAR WARS: Unsung Heroes [[MUSH]] (February 25, 2008)
  764. San Diego [[MUSH] TinyMUSH 3.1p3] (December 6, 2006)
  765. Sancara [[CoffeeMud] Highly modified, Constantly changing, Lots of Custom] (June 11, 2010)
  766. Sandstorm : The realm of Sand and Magic [[Custom] C++ / LUA Server] (February 8, 2012)
  767. Sanity's Edge [[LP]] (January 25, 2007)
  768. Scarlet [[Unknown] Talked based on nuts333, now heavily modified.] (July 5, 2006)
  769. Scattergood School for the Magical Arts [[MOO] [FooCore]] (July 22, 2011)
  770. SchMOOze University [MOO] (December 08, 1996)
  771. Scions of Meridian [[Custom]] (December 7, 2001)
  772. Scourge of Time [[Rom] Rom 2.4 modified] (March 25, 2009)
  773. ScryMUD [[Custom] Original c++ code base.] (January 28, 2007)
  774. Seattle 2064 [[Circlemud] AwakeMud v0.84, modified] (February 20, 2012)
  775. Second Pass MUSH [[MUSH] TinyMUSH 3.0] (June 26, 2011)
  776. Sentience [[Rom] Extensive modification and additions; no stock areas] (March 5, 2011)
  777. Serenity : The Firefly MUSH [[MUSH] HSpace Trueline 4.3.11 with PennMUSH 1.8.1 Patch 5] (June 23, 2008)
  778. Seven Kingdoms [[CoffeeMud] Modified] (January 11, 2012)
  779. ShadeMUCK [[MUCK] ProtoMUCK] (April 25, 2004)
  780. Shades [Custom] (April 20, 1997)
  781. Shades_of_Grey [[MUX]] (June 15, 2008)
  782. Shadow Siege [[Circlemud] Draig] (August 28, 2004)
  783. ShadowDale [[DaleMud] Unique] (February 5, 2007)
  784. ShadowGate [[LP] ShadowGate 1.5] (June 5, 2005)
  785. ShadowHunter [[Custom] runs from browser] (August 15, 2000)
  786. ShadowMUD [[LP] ] (April 14, 2011)
  787. Shadowrun - Denver [[MUSH] TinyMUSH 3.0 Patchlevel 4 #167] (May 9, 2004)
  788. Shadowrun Germany [[MUSH] none] (July 1, 2001)
  789. Shadows Ire [[Smaug]] (February 6, 2011)
  790. Shadows of Alalia [[Smaug] Modified] (March 22, 2011)
  791. Shadows of the Dark Castle [[Merc] Heavily Modified Diku/Merc combination] (October 24, 2011)
  792. Shangrila [[MUX] ] (August 13, 2011)
  793. Sharune [[Dikumud] Custom modified] (August 20, 2010)
  794. Shattered Dreams [[Rom] rot,diku,merc,sd] (September 26, 2009)
  795. Shattered Gem MUSH [[MUSH] Tiny 3.0] (January 21, 2005)
  796. Shattered Isles [[CoffeeMud] Heavily modified w/ S.I. Engine v2.1] (March 27, 2012)
  797. Shattered Kingdoms [[Rom] Heavily modified] (March 29, 2012)
  798. Shattered Lands [[Rom]] (December 13, 2010)
  799. Shattered World [[LP] http://swlpc.sourceforge.net] (March 22, 2004)
  800. Shining Realms [[Smaug] Heavily Customized ] (April 4, 2012)
  801. ShinyMud [[Mythran] 30%+ original code] (September 30, 2005)
  802. Shoujo-Ai MUSH [[MUSH] PennMUSH] (April 16, 2007)
  803. Showdown [[Circlemud] bpl18 with many additions] (November 13, 2007)
  804. ShyeMUSH [[MUSH] TinyMUSH 3.0] (February 28, 2002)
  805. SidaliciaMUD [[Circlemud] highly modified Circle3(bpl14)] (January 10, 2002)
  806. SilberLand [[LP] minor patches applied to 3.2.1@141] (December 10, 2001)
  807. Silent Eve [[Circlemud]] (January 26, 2011)
  808. Silmaril [[Envy] EnvyIT] (March 21, 2002)
  809. Silmarillia MUD [[Envy] ] (January 31, 2012)
  810. Simauria [[LP] [MudLib Sim 1.6.0.1]] (May 26, 2008)
  811. Sindome [[MOO] ANSI XML FILE-IO WEB-IO] (February 17, 2009)
  812. Sleepless Nights [[Aber] Aber] (February 16, 2002)
  813. SlothMUD [[Dikumud] Heavily Modified] (June 1, 2009)
  814. SluggyMARE [[MUSE] MARE (modified system)] (April 2, 2004)
  815. SnapMUD [[Rom] Modified GhostMUD] (June 27, 2011)
  816. SneezyMUD [[Custom] Emulating some of Diku's look/feel] (February 20, 2008)
  817. Sociopolitical Ramifications [[MUCK] Fuzzball 2fb5.68] (September 10, 2003)
  818. Sonic the Hedgehog: New Horizons [[Unknown] ProtoMUCK-Cygwin 2.0b7.07 (Muck2.2fb6.01)] (April 11, 2008)
  819. Soulfire MUSH [[MUSH]] (August 1, 2009)
  820. Southern Cross: Honor de la Familia [[MUX]] (September 9, 2008)
  821. Space Zone [[MOO] Gamma MOO 1.8.2 g5pre, encore database] (February 12, 2012)
  822. SpheresMUX [[MUSH] TinyMUSH 3] (June 20, 2001)
  823. Spindizzy [[MUCK] TinyMuck 2.2 Fuzzball 5.64] (March 27, 2000)
  824. Splintered Realms [[Rom] (modified- LOD 3.1)] (September 6, 2010)
  825. Split Infinity [[LP] Heavily Modified] (July 15, 2007)
  826. Star Conquest [[MOO] ] (February 3, 2012)
  827. Star Dart Alpha [[Unknown] Derived from the Star Dart codebase by Fred Haslam] (February 19, 2002)
  828. Star Trek: A New Dawn [[MUSH] ] (April 2, 2011)
  829. Star Trek: Faded Glory [[MUSH] PennMUSH 1.8.3p9] (February 18, 2011)
  830. Star Trek: Foundations (bDv2) [[MUSH] Modified PennMUSH 1.8.1 /w ASpace] (June 13, 2009)
  831. Star Trek: Gamma One [[MUX]] (August 19, 2008)
  832. Star Trek: Interregnum [[MUSH] PennMUSH version 1.8.3 patchlevel 6 [01/01/2008]] (January 23, 2008)
  833. Star Trek: Phoenix Rising [[MOO] Customized LambdaMOO 1.8] (May 22, 2011)
  834. Star Trek: Redemption [[MUSH] PennMUSH v1.8x] (May 1, 2010)
  835. Star Wars : Dawn of a New Age [[SWR] Star Wars Shattered Equinox heavily modified since it's close a couple of years ago] (January 15, 2012)
  836. Star Wars Galactic Dominion [[SWR] Heavily Modified] (April 6, 2012)
  837. Star Wars MUSH [[MUSH] Chargen/Skills/Languages/VOS Hardcode] (September 25, 2001)
  838. Star Wars Mud (SWmud) [[LP] highly modified Nightmare] (January 16, 2010)
  839. Star Wars Mud Poland [[SWR] Almost entirely rewritten (1.0)] (April 25, 2011)
  840. Star Wars X [[MUSH] PennMUSH] (April 2, 2012)
  841. Star Wars: Age of Strife [[MUSH] PennMUSH] (May 6, 2011)
  842. Star Wars: Dark Forces RPG [[Circlemud] [Heavily Modified]] (December 4, 2007)
  843. Star Wars: Dark Times [[MUSH] PennMUSH] (February 10, 2012)
  844. Star Wars: Eternity [[SWR] SWR Greatly Modified] (November 18, 2011)
  845. Star Wars: Fate of The Republic [[SWR] RitS 3.0] (April 8, 2012)
  846. Star Wars: Galactic Insights [[SWR] Sw:GI v4.2] (February 5, 2011)
  847. Star Wars: Galaxy at War [[MUSH]] (June 14, 2010)
  848. Star Wars: Generations [[MUSH] PennMUSH] (June 7, 2011)
  849. Star Wars: Holocron [[SWR] FotE 2.1.5] (May 7, 2011)
  850. Star Wars: Imperial Awakening MUSH [[MUSH] TinyMUSH 3.0] (April 16, 2011)
  851. Star Wars: Imperial Conquest [[SWR] Heavily Modified] (April 22, 2011)
  852. Star Wars: Infinite Galaxy [[SWR] Custom DoD deriv] (January 14, 2012)
  853. Star Wars: Insurgency [[SWR] Heavily Modified] (January 31, 2011)
  854. Star Wars: Jedi vs Sith [[SWR] Greatly Modified (SW:JvS v1.3)] (August 10, 2011)
  855. Star Wars: Knights of Darkness [[SWR] SWKoD (Alpha)] (August 2, 2010)
  856. Star Wars: Knights of the Old Republic [[MUSH] Rhost] (December 7, 2009)
  857. Star Wars: Legacy [[SWR] (Modified AotE (FotE 2.1.5))] (July 2, 2010)
  858. Star Wars: Legacy of the Sith [[SWR]] (June 6, 2003)
  859. Star Wars: New Jedi Order [[MUSH] ] (May 4, 2012)
  860. Star Wars: Revenge of the Jedi [[Circlemud] Circle - Heavily Modified] (February 13, 2009)
  861. Star Wars: Shattered Equinox [[SWR] Heavily Modified SWRIP1.0] (July 22, 2005)
  862. Star Wars: Uprising [[MUSH] PennMUSH 1.8.4p0] (September 11, 2010)
  863. Star Wars: Way Of The Force [[LP] DGD 1.2.148 heavily modified, lpmud/kobramud derived lib] (August 18, 2008)
  864. Star wars: A New Story [[SWR] Fotefuss] (September 6, 2011)
  865. StarCraft MUD 2 [[Circlemud] LexiMUD] (August 20, 2010)
  866. StarMUD [[LP] Custom (MudOS 22.2b13, StarLib 4.0b)] (November 19, 2002)
  867. Starfall [[MUSH]] (January 23, 2011)
  868. Stargate: Atlantis MUSH [[MUSH] TinyMUSH3.1] (February 5, 2006)
  869. Stargate: Omega [[MUX]] (October 2, 2006)
  870. Starlane: The Arcturus Game [[Custom] Requires custom Java client] (March 17, 2000)
  871. Static Chaos - Still Alive [[Merc] Modified Merc Codebase] (November 24, 2009)
  872. Steel and Stone : A Game of Thrones MUSH [[MUSH] PennMUSH] (April 22, 2012)
  873. Stick in the MUD [[Rom] ROM 2.3] (July 16, 2000)
  874. StickMUD [[LP] LDMUD] (April 19, 2010)
  875. Stonia (The Cruel and Lost World of Stonia) [[Dikumud] Bases on Diku, ROM 2.3; about 70-80% recodings, 90% new areas] (January 4, 2009)
  876. StormHunters [[Ack!mud] (de-ack!ed)] (November 30, 2011)
  877. Stormbringer [[Rom] Pwrdemon Special Edition - Black] (December 13, 2011)
  878. Storms of Time [[Merc] MrMud 1.4 - Emud 3.0] (August 16, 2009)
  879. StrangeMUD [Circle 2.2] (January 26, 1999)
  880. String Theory MUX [[MUX]] (August 21, 2008)
  881. StuphMUD [[Circlemud] StuphOS Core Extension, ZifOLC] (May 1, 2012)
  882. Styx [[Custom] ] (January 29, 2012)
  883. SumuMud [[LP] MudOS] (March 19, 2001)
  884. Survivors [[Custom] This is a WAP MUD, you can play it using your WAP enabled mobile phone] (December 10, 2000)
  885. Synergy [[LP] CD Lib] (December 7, 2004)
  886. T-Mush [[MUSH] HSpace Supported] (March 30, 2005)
  887. TUSP [[Smaug] [Major Shreddings]] (February 2, 2009)
  888. TableMUSH [[MUX]] (December 3, 2007)
  889. Tales of Ta'veren II [[MUSH]] (January 27, 2010)
  890. Tank Mage Deathmatch [[Unknown] Modified Tank Mage Deathmatch] (April 1, 2010)
  891. Tapestries MUCK [[MUCK] Fuzzball 5.67] (February 26, 2002)
  892. Tarmon Gai'don [[Rom] WoTMud Codebase.] (February 6, 2008)
  893. Tauros [[LP] LDMud 3.3] (March 6, 2005)
  894. Teenagers From Outer Space MUX (TFOS) [[MUX]] (November 14, 2002)
  895. Telehack [[Custom] ] (May 23, 2011)
  896. Tempered Steel [[Circlemud] Modified Stock] (June 20, 2009)
  897. Tempest [[MUX] MUX 2.1.18.60 - Tempest Modified] (June 29, 2010)
  898. Tempora Heroica [[Circlemud] Archipelago] (March 23, 2011)
  899. Tempora Sanguinis 2 [[DaleMud] ] (June 16, 2011)
  900. Tempus Spiral [[TBA] ] (March 8, 2012)
  901. TempusMUD [[Circlemud] Highly Modified] (January 25, 2009)
  902. Ten Nations [[Dikumud] mod] (August 5, 2010)
  903. Terminus Faire [[MUX]] (November 7, 2003)
  904. Terminus: Outpost Alpha [[Custom] ] (March 6, 2011)
  905. TerraFirmA [[Aber] TerraCode] (July 13, 2010)
  906. TerraMUDX [[Mordor] Modified] (January 8, 2008)
  907. Tharsis Gate [[LP] Modified LD Mud (close to LP)] (January 16, 2008)
  908. Thieves World [[Circlemud] Diku and Merc] (July 13, 2008)
  909. Thorns Of War [[Custom]] (March 30, 2009)
  910. Threshold RPG [[Custom] Role Play Required and Enforced] (August 4, 2008)
  911. Time of Darkness [[Rot]] (January 30, 2005)
  912. TimeSinks (of APA2) [[MUSH] Tinymush3] (November 15, 2009)
  913. Times of Chaos [[Rom] Highly Modified Code Base] (May 18, 2010)
  914. TinyTIM [TIM MUSH Code] (September 13, 1997)
  915. Top of the Line (TOTL) [[LP] Modified driver] (January 20, 2007)
  916. TorilMud, the Sojourner's Home [[Dikumud] Heavily modified] (April 22, 2012)
  917. TradeWars 2002 [[Unknown] TradeWars 2002] (October 24, 2000)
  918. Transformers Mush [[MUSH]] (February 21, 2010)
  919. Transformers Universe [[MUX] TinyMUX 2.1.18.61 #36 [2002-Oct-23]] (September 25, 2010)
  920. Transformers: 2K5 MUSH [[MUSH]] (January 17, 2006)
  921. Transformers: Decepticon Dominion [[MUSH] Pennmush] (August 22, 2010)
  922. Traveller's Mud (Trav) [Amylaar's 3.2@286 driver, LPMud 2.4.5-tec LIB] (December 28, 1997)
  923. TrekMUSH - Among The Stars [[MUSH] PennMUSH 1.7.4 patchlevel 20] (June 27, 2003)
  924. TriadCity [[Custom] server currently in beta] (November 28, 2001)
  925. Tribunal of Orion [[CoffeeMud] +mathpatch +selfexecmobs +otherscoming] (August 6, 2010)
  926. Triforce MUCK [[MUCK] NMC 1.21] (June 2, 2010)
  927. TriochMARE [[MUSE] MARE Derivation] (July 11, 2006)
  928. TrollAttack [[Custom]] (February 2, 2007)
  929. Trona [[LP] CD] (December 29, 2011)
  930. True Blood: Dallas [[MUSH]] (December 23, 2009)
  931. Tsunami [[LP] LD-Mud 3.2 original Mudlib] (October 30, 2009)
  932. Tubmud [[LP] LPmud Amylaar/Mateese 3.3.720 in compat mode] (September 28, 2011)
  933. Turf [[Merc] Heavily modified: http://www.turf.org/MercComparison.html] (December 29, 2000)
  934. Turning of the Wheel [[Rom] Heavily modified ROM] (April 1, 2012)
  935. Twilight [MUCK] (July 18, 1997)
  936. Twilight Falling [[MUSH] [MUSH]] (September 7, 2003)
  937. Twilight of the Gods [[Envy] A mishmash of MillenMUD, Envy, Mythran and Ultraenvy.] (February 12, 2012)
  938. Twist of Fate [[Dawn] Heavily Modified] (November 6, 2011)
  939. TwistedMUCK [[MUCK]] (September 10, 2011)
  940. UNItopia [[LP] LDMud-3.2.9 UNIlib-mudlib] (October 1, 2001)
  941. Ugas Daos [[Custom] Web-Based] (March 27, 2001)
  942. UglyMug [[Unknown] Heavily customised Tiny] (January 10, 2002)
  943. Ultimate Legends MUX [[MUX] ] (August 4, 2011)
  944. Ultimate War Universe [[MUSH] PennMUSH 1.8.3] (April 22, 2010)
  945. Unbridled Desires [[MUCK]] (January 6, 2007)
  946. Underworld Dreams [[Envy] not stock] (November 1, 2005)
  947. Unicorn Valley [[Smaug] modified] (December 3, 2011)
  948. Universe Unlimited [[MUX] TinyMUX] (April 24, 2012)
  949. Unknown Epicentres [[MUCK]] (March 20, 2002)
  950. Unwritten Legends [[Custom]] (January 31, 2004)
  951. Utopia [AberMUD] (June 17, 1998)
  952. Utopia — Valley of Death [[GodWars] Dystopia, modified] (March 28, 2011)
  953. V: The Visitors Return MUSH [[MUSH] PENNMUSH Version: 1.7.7p34] (August 30, 2010)
  954. Valhalla MUD [[VME] Diku 2.5-1] (September 13, 2011)
  955. Valheru Mud [[VME]] (September 23, 2003)
  956. Valley of the Nile [DHTML and Cold Fusion] (May 5, 1999)
  957. Vampire Wars [[GodWars] Heavily Modified] (July 10, 2010)
  958. Vampire Wars: The Final Sunset [[GodWars] Vampirewars Code 2.0] (February 7, 2008)
  959. Vampire Wars: The New Era [[GodWars] [Vampire Wars] Heavily Modified Code] (February 1, 2009)
  960. VanciaMUD [[Custom]] (December 1, 2009)
  961. Vecterian Realms III [[Rot] heavily modified] (March 22, 2010)
  962. Veritas Star Wars MUD [[Smaug] codebase is SWFOTEFUSS, derived from SMAUG] (October 31, 2009)
  963. VikingMUD [[LP] DGD 1.4.5 patched for Viking] (January 23, 2011)
  964. Village Rivals [[LP] TMI-2] (July 26, 2010)
  965. Virtual Realities [[LP] MudOs] (April 20, 2004)
  966. Virtustan MUD [[Circlemud] very strong modifier by Russian and Ukrainian coders] (September 11, 2011)
  967. Voices of Dune [[MUSH] PennMUSH] (April 3, 2008)
  968. Voregotten Realm [[MUCK] Fuzzball TinyMUCK 2.2fb6.12 (with patches)] (February 8, 2012)
  969. Wake [[Rom] heavily modified and overhauled] (July 27, 2009)
  970. Walraven [[LP] SIMud Developmental Mudlib] (February 28, 2006)
  971. War Dawn MUSH [[MUSH] ] (January 8, 2012)
  972. War of Gods [[LP] LP Mud] (October 2, 2002)
  973. Warhammer MUD, Wolfenburg [[Custom]] (February 19, 2001)
  974. Warlock [[LP] CD.04.07+MySQL, modified Genesis CDlib ver 01.00.03] (September 22, 2009)
  975. Warriors the Muck - Divergence [[MUCK] ] (July 28, 2011)
  976. Waterdeep [[Rot] 1.5b2 Heavily Modified] (January 26, 2011)
  977. Wayfar 1444 [[MOO] Hellcore/Wayfarcore] (April 20, 2012)
  978. Wayward Souls [[MUSH] RHOST (Heavily Modified)] (November 3, 2010)
  979. Werewolf: The Last Generation [[Custom] Virtual Tabletop D10] (January 17, 2012)
  980. Weyrmount II [[MOO] LambdaMOO 1.8.1 / High Wired enCore 1.1 / FUP 1.8] (March 24, 2000)
  981. Wheel of Time [[Circlemud] Circle] (May 28, 2007)
  982. Wheel of Time: Winds of Change [[Custom] C# based] (February 16, 2007)
  983. Where No One Has Gone Before [[MOO] LambdaMOO 1.8.1 (wno-2.3.3 variant)] (June 24, 2010)
  984. WileyMUD III [[Dikumud] lots of bits and pieces stuffed in here] (February 24, 2008)
  985. WindyCity MUX [[MUX] MUX 2.6.5.26] (June 15, 2008)
  986. Wing Commander: Gemini Sector [[MUSH] ] (April 2, 2012)
  987. Wing Commander: New Horizon [[MUSH] PennMUSH with custom systems] (December 28, 2011)
  988. Winter Moon [[Rom] Cold Rock v0.7] (May 25, 2011)
  989. Winter's Edge [[MUX] MUX 2.7.2.20] (September 26, 2010)
  990. Winter's Oasis [[MUCK] MUCK] (February 26, 2011)
  991. Winterkill [[LP] customized LPC driver] (June 21, 2011)
  992. Witchcraft and Wizardry [[MUSH] Rhost] (January 13, 2012)
  993. WoD Berlin [[MUX]] (August 22, 2006)
  994. WolvesBane Rock [[Dikumud] SillyMUD/Diku] (December 19, 2008)
  995. World of Naruto [[Rom] Rom2.4b] (February 24, 2010)
  996. World of the Slayer [[MUX] TinyMux2.3] (May 7, 2005)
  997. Worlds of Carnage [[Dikumud] Heavily Modified Code] (January 1, 2006)
  998. Wormhole MUD [[Circlemud] Heavily modified] (July 26, 2007)
  999. Wunderland [[LP] LD 3.2.11] (April 12, 2006)
  1000. X-Men Movieverse: X-Factor [[MOO] ] (May 3, 2011)
  1001. X-Men: A New Strain [[MUX] Penn] (June 20, 2011)
  1002. X-men : Another Day Dawns [[MOO]] (August 3, 2010)
  1003. XIAIX [[Custom] Win32] (January 19, 2011)
  1004. XK4 [[LP] Custom Mudlib] (May 18, 2010)
  1005. Xanadu Station [[MUSH]] (January 29, 2006)
  1006. Xaos [[Merc] Xaos Codebase] (October 14, 2011)
  1007. Xyllomer [[LP] lpmud / dgd / own] (March 11, 2002)
  1008. Yesterday's Voyage TrekMU [[MUSH] CobraMUSH, FrontierSpace] (April 19, 2009)
  1009. YorMUSH [[MUX] TinyMUX 2.7] (August 24, 2009)
  1010. Zee MUD [[Dikumud] Diku Gamma 0.0, highly modified] (December 31, 2006)
  1011. Zeitgeist [[Unknown] Phaos derivation] (May 19, 2006)
  1012. Zombie Town [[LP] Dead Souls MUDLib] (July 7, 2011)
  1013. ZombieMUD [[LP] LDMUD Driver, Zombie Lib] (May 13, 2010)
  1014. Zombieworld [[SWR] Re-factored and heavily modified] (August 25, 2010)
  1015. d20MUD: Dragonlance [[Circlemud] OGL (D&D 3.5e, d20, Pathfinder) style rules] (May 26, 2011)
  1016. d20MUD: Star Wars [[Circlemud] Uses Star Wars SAGA Edition d20 Rules] (January 21, 2012)
  1017. judyMUD [[Dikumud] Longest running DikuMUD ever -- heavily modified, but retains major elements of original D] (March 8, 2010)
  1018. neoNecronomicon [[Unknown] Original code running on a Mac OSX] (November 10, 2002)
  1019. the-night.com [[MOO] Modified] (December 14, 2011)
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