Dune PBeM
- An online play-by-email game based on Frank Herbert's "Dune". Players take on the role of a House in the Imperium. Rulebook, discussion forums and setting information.
- http://www.dunepbem.tapirdesigns.co.uk/

The Universe
- Political, military and economic wargame. Players take on roles as key politicians and leaders in a human-dominated universe. Features details on the setting, factions, maps, rules, and an encyclopedia.
- http://www.theuniverse.org.uk

Beyond the Stellar Empire
- Features rules, maps, program information, guides, list archives, and the Ringbone Gazette e-zine.
- http://www.beyondthestellarempire.com/bse/bseindex.asp

KJC Games' Warlord
- Post holocaust world using 20th century weaponry. Features rule book download.
- http://www.kjcgames.com/warlord.htm

USI-RPG: Unified Space Intelligence
- Play by email game set 800 years in the future. Contains a detailed technology database, setting description, factions, races and a discussion forum.
- http://www.usi-rpg.com

Steam Trek
- Adventures in an alternate history where Queen Victoria is out to rule the solar system. Players become crewmembers of Her Majesty's Aethership Dauntless commissioned by the United Kingdom of Planets.
- http://steam-trek.com/

Star En Garde
- StarEnGarde is a free PBeM game combining turn-based orders and e-mail list roleplaying. The genre could be described as Buck Rogers meets Star Wars meets Hitchikers Guide to the Galaxy.
- http://www.cooneysite.com/starengarde

Earthfall
- Alternate Earth setting overrun by aliens.
- http://www.earthfall.com/