Pathfinder Roleplaying Game - online puzzles

The Pathfinder Roleplaying Game is a fantasy role-playing game (RPG) that was 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, other works set in the Pathfinder Campaign Setting, and various third party content created to be compatible with the Open Game License.