As I've mentioned over on the forum, the Pyramid Dungeon Collection contains an article ("The Wellsprings of Creation") which fits most PDF-Pyramid and GURPS 4e fantasy locations and adventure locales not already spoken for (for example, nothing from Yrth is included) into a single game world. Here, for everybody's dining and dancing pleasure, is a list of what those are and which publications they're in. Amadan, Pyramid Dungeon Collection Amanapur, Pyramid Dungeon Collection Aquaclaro, Pyramid #3/40 Aulos, Pyramid Dungeon Collection Caerceol, Pyramid Dungeon Collection Caverntown, GURPS Dungeon Fantasy Setting 1: Caverntown Devouring Lands, GURPS Dungeon Fantasy Adventure 1: Mirror of the Fire Demon Echo Wall Mountains, GURPS Dungeon Fantasy Adventure 2: Tomb of the Dragon King Empire of Thebor, Pyramid #3/41 Golden Geniza of Ezkali, Pyramid #3/38 Hellsgate, GURPS Locations: Hellsgate Kunruk, Pyramid Dungeon Collection Saroo, Pyramid Dungeon Collec