Pathfinder is a line of roleplaying game supplements published by Paizo Publishing since 2007. Originally designed for use with the revised 3rd edition of Dungeons & Dragons, they transitioned to the first edition of the Pathfinder Roleplaying Game in 2009, then to the second edition of Pathfinder in 2019. Three lines of supplements are produced as of August 2019: Pathfinder Adventure Path Pathfinder Adventures Pathfinder Lost Omens One previous line, Pathfinder Player Companion, has been discontinued. Source: Wikipedia (en)