series of novels by Jack Vance. GURPS Riverworld, a setting in the fictional world described in the novels of the Riverworld series by Philip José Farmer. This setting is an artificial planet where everyone who lived before a set date in history seems to have been resurrected. GURPS Uplift, based on the fictional universe envisioned by David Brin in his Uplift Universe series, where biological uplift of animals has become common. GURPS War Against the Chtorr, describing additional rules and a game setting based on the War Against the Chtorr science fiction novel series by David Gerrold, which depicts an Earth invaded by an alien ecology. GURPS Wild Cards, detailing the setting of the science fiction/superhero shared universe Wild Cards —a setting based on the series of Witch World novels by Andre Norton. Included are a bestiary of Witch World creatures, details on the non-human races, a history and geography of the planet, and a color-based system of magic. Video game adaptations GURPS Alpha Centauri, detailing the setting of the Sid Meier's Alpha Centauri computer game. GURPS Myth, detailing the setting of the Myth computer game. Traveller SGG published a set of books designed to allow game play in an alternate timeline of Traveller's Third Imperium science-fiction setting using the GURPS rule system. GURPS Traveller: Science Fiction Adventure in the Far Future GURPS Traveller: Alien Races 1 GURPS Traveller: Alien Races 2 GURPS Traveller: Alien Races 3 GURPS Traveller: Alien Races 4 GURPS Traveller: Behind the Claw GURPS Traveller: Deck Plan 1 Beowulf-Class Free Trader GURPS Traveller: Deck Plan 2 Modular Cutter GURPS Traveller: Deck Plan 3 Empress Marava-Class Far Trader GURPS Traveller: Deck Plan 4 Assault Cutter GURPS Traveller: Deck Plan 5 Sulieman-Class Scout/Courier GURPS Traveller: Deck Plan 6 Dragon-Class System Defense Boat GURPS Traveller: Droyne Coyn Set GURPS Traveller: Far Trader GURPS Traveller: First In GURPS Traveller: Flare Star PDF GURPS Traveller: GM's Screen GURPS Traveller: Ground Forces GURPS Traveller: Heroes 1 - Bounty Hunters GURPS Traveller: Humaniti GURPS Traveller: Interstellar Wars (4e; see above) GURPS Traveller: Modular Cutter GURPS Traveller: Nobles GURPS Traveller: Planetary Survey 1 - Kamsii GURPS Traveller: Planetary Survey 2 - Denuli GURPS Traveller: Planetary Survey 3 - Granicus GURPS Traveller: Planetary Survey 4 - Glisten GURPS Traveller: Planetary Survey 5 - Tobibak GURPS Traveller: Planetary Survey 6 - Darkmoon GURPS Traveller: Psionics Institutes PDF GURPS Traveller: Rim of Fire GURPS Traveller: Star Mercs