This is the APOCTHULHU System Reference document. It contains all the open content from the APOCTHULHU RPG. We informally call this game engine the "Cthulhu Eternal" System (and other, non-Apocalypse versions of the same rules are published under that name). Whether you are a publisher or a gamer, you can use this under the terms of the Open Gaming License.
This is NOT the... [click here for more]