Alternate Earth setting overrun by aliens.
Spaced oriented empire building game.
RPG set in the near future, with a series of events stretching from Antarctica to Mars.
Game set on a futuristic Earth-like world setting.
Galaxy-based computer moderated adventure.
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.
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.
Star Empires 2, Atlantis and free games to download.
Multi-Player science fiction game of grand strategy and intrigue. Can be enjoyed either in role-play of your 'position' in the game, or as a pure 'war game'.
A turn-based, multiplayer tactical naval space combat game.