Decuma is a tarot-inspired card game that helps the GM and their players collaboratively create all the important details for a campaign in any tabletop RPG setting or system, including key locations, character connections, and setting conflicts. From D&D, to Savage Worlds, and Powered by the Apocalypse to Pathfinder, and more— Decuma works with them all so you never have to worry about compatibility.

Best of all: this big world-building tool fits into a little card box! There are no books to lug around!