The Pathfinder Roleplaying Game is a fantasy role-playing game (RPG) that was first published in 2009 by Paizo Publishing.
It extends and modifies the Revised 3rd edition Dungeons & Dragons (D&D) game rules published by Wizards of the Coast under the Open Game License. Pathfinder RPG is intended to be backward-compatible with D&D version 3.5.
The Pathfinder RPG supports Pathfinder adventure paths as well as other works set in the Pathfinder Chronicles Campaign Setting.
It is the primary rule-set intended to be used the the campaign setting and additional rules detailed onthe Arabian Adventure.org wiki website.