About this game
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.
Last checked 5 Nov 2026
More about Cthulhu: The Cosmic Abyss - R'lyeh Edition
Cthulhu: The Cosmic Abyss - R'lyeh Edition is a Lovecraftian horror game where players investigate the disappearance of Pacific Ocean miners as an agent of Ancile, a secret Interpol division. Using an AI companion named Key, players navigate the sunken city of R'lyeh, solving puzzles and resisting cosmic madness. The game features non-Euclidean environments, a branching narrative, and exclusive content including a Shining Trapezohedron side quest and a TTRPG scenario. Powered by Unreal Engine 5, it emphasizes psychological horror and sanity mechanics.
Where to play
| Launcher | Platform | Access | Price | Game link |
|---|---|---|---|---|
| GOG | PC | Buy | US$17.49 | Visit official ↗ |
| Xbox | Xbox | Buy | US$59.99 | Visit official ↗ |
