The City That Never Sleeps - A MUX set in the East Village of present day New York City, where Vampires and Shapeshifters are commonplace. - http://ctns.mushpark.com/
The Ministry - A gothic-themed MUSH, taking place in Carcosa, a city lost in time and space, surrounded by an endless black desert under a blood-red sky. - http://carcosa.org/
Maddock MUX - An online roleplaying game set in the late 1870s in a small town in the American West. - http://maddock.onlineroleplay.com/
Fort Bloodshed - Fort Bloodshed is set in the Wild West, as portrayed in classic Western movies and popular fiction, in which characters can create their own legends. - http://www.bloodshed.org/
Poddington-on-Slossip - Although the game itself is now defunct, this site describes the MUSH world of Poddington-on-Slossip, a small village in Cornwall which, strangely, does not appear in any of Baedeker's guides. - http://www.grandiose.com/poddington/
Atlantis MUSH - Atlantis is an online roleplaying game centered around faction-based submarine warfare. It is a combination of science fiction and fantasy. - http://www.hawkgames.com/atlantis
Fading Suns MUSH - Based on the roleplaying game of the same name by Holistic Design. A delightful combination of space opera and medieval fantasy, the Fading Suns Mush provides a rich setting for political and economic conflict. - http://fadingsuns.org/
Carnipelago MUX - Original themed MUX set on a group of forgotten tropical islands, inhabited by the descendants of circus clowns, acrobats, carnies, side-show freaks, and visitors from other times and realms. - http://carnipelago.wolfpaw.net/
Wild Spirits MUSH - Come roleplay North American Wild animals in a setting similar to Lion King or Watership Down. - http://www.wildspirits.org/