GameSearch

comQuadrivium 1 features the work of: Alex Bates Arthur Cordeiro Ben Doane Brian W. Quadrivium is the official zine for CRUX, the free and open-source tabletop roleplaying and wargaming system developed in-house at Ill Gotten Games. " The PDF (85 b&w art-filled pages in A5 format) introduces tons of new material for game masters and players that can be plugged into any setting you like (with a good portion serving as system-agnostic material).