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| Publisher | Nacon |
| Developer | Big Bad Wolf |
| Platform | Windows |
| Delivery | Steam |
| Release Date | 16 Apr 2026 |
| Genres | Adventure |
Key Provider Instructions
In order to activate this game, you will require a third-party 'Steam' account. For full details on how to activate please follow this link: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352
Description
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: search for fragments of the shining trapezohedron and learn more about this ancient artefact through puzzles that will test your perception and your sanity. As a reward, unlock an exclusive evolution that gets better as you put the artefact back together. Also, discover an exclusive hand skin imbued with the red stone, which reacts every time you approach a fragment.
- An official scenario for the Arkham Horror role-playing game: extend the adventure with a full, exclusive scenario entitled ""Descent"". Designed for the popular Arkham Horror tabletop role-playing game, you and your friends can play as new Ancile investigators facing an occult threat directly linked to the game's universe.
- The non-Euclidean artbook: from the depths of the Pacific Ocean to the Cyclopean ruins of R’lyeh, discover the official artbook for Cthulhu: The Cosmic Abyss, with more than 50 pages featuring intertwining oppressive environments, Lovecraftian creatures and Ancile technologies. An artistic journey into the heart of a world where beauty merges with terror, and the abyss is always watching you.
- The Eldricht Soundtrack: with more than an hour of music, immerse yourself in the soundscape of Cthulhu: The Cosmic Abyss. From the oppressive layers of the ocean depths to the more subdued, melancholic themes of exploration, each composition accompanies your descent into the unknown, increasing the feeling of tension, isolation and insignificance in the face of cosmic horror. An original soundtrack, designed to be an auditory journey, where silence, anticipation and unspeakable menace are an integral part of the experience.
Minimum Requirements
- -Windows- Requires a 64-bit processor and operating system OS: Windows 10 - 11 Processor: Intel Core i7-8700K or AMD Ryzen 5 1600X Memory: 12 GB RAM Graphics: NVIDIA GeForce GTX 1060, 6 GB or AMD Radeon RX 590, 8 GB or Intel Arc A580, 8 GB DirectX: Version 12 Storage: 16 GB available space Additional Notes: HDD Supported, SSD Recommended. The above specifications were tested with performance upscaling enabled.
Recommended Requirements
- -Windows- Requires a 64-bit processor and operating system OS: Windows 11 Processor: Intel Core i5-12600K or AMD Ryzen 5 7600 Memory: 16 GB RAM Graphics: NVIDIA GeForce RTX 3070, 8 GB or AMD Radeon RX 6750 XT, 12 GB or Intel Arc B580, 12 GB DirectX: Version 12 Storage: 16 GB available space Additional Notes: HDD Supported, SSD Recommended. The above specifications were tested with performance upscaling enabled.
Legal Notice / EULA
Cthulhu: The Cosmic Abyss ©2025 Published by Nacon and developed by Big Bad Wolf. All rights reserved.

