setting for role-playing adventure, and the GURPS game is the perfect system to support it. The access to PC and NPC personalities and cultures from all the historical periods of Earth, the problem-solving challenges of adapting and improvising in the lower technological level of Riverworld society, the opportunities for empire-building in the style of Clemens and King John, and the epic upriver quest to the Tower of the Ethicals - there's some great stuff here for a role-playing campaign." References External links http://www.sjgames.com/gurps/books/riverworld/ Riverworld Riverworld Role-playing games based on novels Role-playing game supplements introduced in 1989 Science fiction role-playing games