# The Pathfinder Role Playing Game help files

The Pathfinder Roleplaying Game and Pathfinder Beta gameModes represent an evolution of the 3.5 rules set of the world's oldest fantasy roleplaying game. Our datasets are published under the Paizo Publishing, LLC Community Use Policy and the Open Gaming License (OGL) . The Core Rulebook can be purchased from Paizo Publishing in Hard Cover or PDF format and the rule are also available online at the Pathfinder Roleplaying Game Reference Document .