
Cthulhu: The Cosmic Abyss - R'lyeh Edition
A mining station in the Pacific abyss is no longer responding. As an investigator of the occult, unravel the mysteries of the deep. Test your wits and sanity in this lovecraftian thriller.
AdventureStory RichLovecraftianAtmosphericPsychological HorrorSingleplayer
EDITION










Developer: Big Bad Wolf
Publisher: Nacon

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About Cthulhu: The Cosmic Abyss - R'lyeh Edition
2053. Across the globe, the occult threat grows ever more blatant, and strange, incomprehensible events multiply. As the Earth's surface resources dwindle, powerful corporations turn to the uncharted depths of the oceans, unaware of the ancient horror they are about to awaken.
In this tense Lovecraftian thriller, you play Noah, tasked with investigating the mysterious disappearance of miners in the depths of the Pacific Ocean. With the help of your AI companion, Key, explore the vast, labyrinthine prison of R'lyeh—an ancient, sunken city of cyclopean proportions—and resist the creeping madness caused by Cthulhu's influence. At its core lies a secret that could shatter your understanding of reality.
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Powered by Unreal Engine 5, Cthulhu: The Cosmic Abyss features mind-bending environments that defy the laws of physics, pushing the boundaries of immersive storytelling to new heights.
Trailers
Game details
- Developers
- Big Bad Wolf
- Publishers
- Nacon
- Release date
- Apr 16, 2026
- Genres
- Adventure, Story Rich, Lovecraftian, Atmospheric, Psychological Horror, Singleplayer, Exploration, Dark, First-Person, Mystery, Choices Matter, Detective, Investigation, Multiple Endings, Thriller, Sci-fi, Narration, Gore, Hidden Object, Violent
- Modes
- Single-player
- Controller
- Full controller support
- Steam features
- 27 achievements, Steam Cloud, Family Sharing
- Themes
- Science fiction, Horror, Thriller, Mystery
- Camera
- First person
- Engine
- Unreal Engine 5
Languages
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Supported | Supported | Supported |
| French | Supported | Not supported | Supported |
| Italian | Supported | Not supported | Supported |
| German | Supported | Not supported | Supported |
| Spanish (Spain) | Supported | Not supported | Supported |
| Japanese | Supported | Not supported | Supported |
| Korean | Supported | Not supported | Supported |
| Portuguese (Brazil) | Supported | Not supported | Supported |
System requirements
Minimum
- 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
- 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.
Ratings
Steam Deck & Linux
Steam Deck Unsupported
- Too demanding to run well on Steam Deck
- SteamOS: Playable
- Steam Machine: Unsupported
ProtonDB: Early reports: Gold (3 reports) See reports
Comments
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Released - Start playing today!
Release date: Apr 16, 2026
Game data © Valve Corporation, from Steam · ProtonDB community ratings · Game data by IGDB.com