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.
Alternity and Beyond: Ships, planets, and essays.
Alternity Mobile Suits: An add-on with the Mobile Suit: Gundam universe's mecha.
Alternity: Silent Möbius: Rules for campaigns set in the world of the anime "Silent Möbius".
Big Ideas, Grand Vision: Rules and background for a hard-science campaign set in A.D. 2350.
Fledgling Empire Campaign: Timeline, sector map, and planetary descriptions for a new campaign setting.
Harvest Moon: Features campaigns based on TSR's "Bughunters" game and the television series "Cleopatra 2525".
Li Po's Alternity Page: MS-DOS character and spaceship generation software.
PBEM Alternity: Features rules for gaming in several fiction-inspired settings, including Middle Earth, Star Trek, and the anime "Dragon Ball Z".
Uncle Jimbo's Bug Huntin' Range: Settings and concepts, including the Orthopteroid species, Nemesis Gate and Crucible campaign settings.
Vatican Deception: Characters and adventure summary from a defunct online campaign.
WebRing: alternity: Group of interlinked sites also known as "Alternity Web Ring".