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PCPCRest of WorldPEGI 18
Cthulhu: The Cosmic Abyss R'lyeh Edition PC
Region — Activates worldwide EXCEPT in countries that have their own dedicated regional edition.
Available globally
by Nacon · dev Big Bad Wolf · Apr 16, 2026
Includes: Base game The Shining Trapezohedron side quest Excusive Arkham Horror TTRPG sceniario Eldritch soundtrack Non-euclidean artbook 2053. Across the globe, the occult threat grows ever more blatant, and strange, incomprehensible events multiply. As the Earth's surface…
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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.
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Cthulhu: The Cosmic Abyss R'lyeh Edition PC Steam CD Key
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