Argumentation is a tool in the form of a storytelling card game that allows players to examine various theories of history. It is GM-less, for three to six players, requires no preparation, and take two to four hours.

New adventures from The Magnus Archives creator Jonathan Sims—plus new lore and new options for GMs and players. With a complete corebook FREE with every pledge, it's a great jumping-on point if you're new to the game!