Your descent into madness has only just begun. With Cthulhu: The Cosmic Abyss - R'lyeh Edition, horror reaches new dimensions. Enhance your experience with the following exclusive content: - The Shining Trapezohedron side quest - An official scenario for the Arkham Horror role-playing game - The Art Pack: capture your descent into madness with this exclusive digital pack, containing the non-Euclidean artbook and the eldritch soundtrack.