"Roma Universalis," a strange setting where Romans use impossible ships to sail the solar system. All roads lead to Rome -- even those traveled by Venusian warriors and Martian scientists!
"The Red Rockets' Glare," an alternate timeline where the Soviets were more successful in space exploration than the Americans. Red sky in morning foretells a great warning . . .
"Cyberme," a near-future world where impossible anime tropes collide with gritty cyberpunk realities, creating a strange society. It includes GURPS rules for Cyberme battlesuits, vampires, and cat people!
"More Hell Parallels," a sampling of four places where folks are dying to escape! Written by Stephen Dedman (GURPS Dinosaurs), this collection includes zombies, super-fast mutants, and post-apocalyptic punks.
Random Thought Table: An Infinite Road Map by by Steven Marsh