| Battlestar MUSH: A roleplaying MUSH based on the old Battlestar Galactica television series. Extensively coded systems, newbie friendly, and a well-established playerbase. |
| Battletech: The Frontier Lands: A realtime, online futuristic mechanized war simulation. |
| BSG: The Second Coming: Features information on roleplaying, world and players. |
| Cosmic Muffin MUX: A combination of superheroes, anime, science-fiction and other fun stuff in Hyper Metro City, a bridge between different worlds and times. |
| Dune III MUSH: Based on Frank Herbert's Dune Chronicles. Features detailed information about factions, players, archives and resources. |
| Exile : Exodus: A BattleTech MUX featuring futuristic realtime combat simulation featuring one hundred ton bipedal war machines. |
| Gate Crashers MUX: A SciFi game in which travel throughout the solar system is possible, and characters can be derived from sci-fi, fantasy, anime, comic books, and other sources. |
| Heavy Gear MUX: Heavy Gear RPG from Dream Pod 9 set in Khayr ad-Din, 'city of trash,' home to Rovers, renegades, mercenaries, Duelists and lowlives from all over Terra Nova. |
| HSpace: Merchant Wars: The human race has colonized other planets and divided, evolving into several new offshoot races that compete against each other for resources and domination of the known universe. Web site offers extensive game support including databank and forum. |
| Martian Dreams MUSH: Set in the newly-established Martian Republic in 2182. Features a players guide, character listing and resources. |
| Mega Man MUSH: Based on the storylines of Capcom's Mega Man games. |
| OtherSpace: New Journeys: Based on an original science fantasy theme by Wes Platt. High emphasis on the storylines and on creating a fun and positive roleplaying environment. Site contains game overview, message boards, player guides, and links. |
| Shadowrun: Denver MUSH: Based on the Shadowrun system, this game is oriented towards experienced Shadowrun players and allows a wide range of character concepts. |
| Shadowrun: Seattle MUSH: Based on the Shadowrun system, Shadowrun: Seattle offers a sophisticated Matrix system for Deckers and an advanced Magic system. |
| ShyeMUSH: Unique science fiction interactive story. |
| Star Fox MUSH - The Lylat Wars: Features anthropomorphic characters (furries) in a science fiction setting. |
| StarQuest - Humanity's Exploration for Hope: Goal is to provide a virtual environment that promotes a creative and fun science fiction role play community. Specializes in helping new players. |