See also:
Ad Astra: Tri-Stat DX An Alternity universe campaign setting, featuring high concept science fiction and new material for use in the core setting or adaptable to other games. http://www.angelfire.com/rpg2/ancientworlds/AstraDX.html
Big Ideas, Grand Vision Rules and background for a hard-science campaign set in A.D. 2350. http://www.nada.kth.se/~asa/Game/BigIdeas/
Fledgling Empire Campaign Timeline, sector map, and planetary descriptions for a new campaign setting. http://www.geocities.com/gentleweren/
Harvest Moon Features campaigns based on TSR's "Bughunters" game and the television series "Cleopatra 2525". http://www.harvestmoon.freeservers.com/
PBEM Alternity Features rules for gaming in several fiction-inspired settings, including Middle Earth, Star Trek, and the anime "Dragon Ball Z". http://www.geocities.com/scott_metz/alternity/
Uncle Jimbo's Bug Huntin' Range Settings and concepts, including the Orthopteroid species, Nemesis Gate and Crucible campaign settings. http://homepages.ihug.com.au/~jclunie/index.htm
Vatican Deception Characters and adventure summary from a defunct online campaign. http://www.angelfire.com/games/vaticandeception/
WebRing: alternity Group of interlinked sites also known as "Alternity Web Ring". http://www.webring.com/hub?ring=alternity