Cthulhu: The Cosmic Abyss
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
- Release date
- April 16, 2026
- Platforms
- Windows
- Developer
- Big Bad Wolf
- Publisher
- Nacon

Screenshots & videos
Official media supplied by the listed storefronts and publishers.
Screenshots
Videos
About Cthulhu: The Cosmic Abyss
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. REVEAL THE UNSPEAKABLE Face nightmares and cosmic abominations that will push your sanity to its limits. Journey through a futuristic reinterpretation of Lovecraft's mythos and uncover the legendary sunken city of R'lyeh. But beware: the deeper you descend, the more your mind succumbs to Cthulhu's relentless influence. CHALLENGE THE BOUNDARIES OF YOUR MIND Dive into the darkness with Key, your AI companion.
Follow leads, gather scattered clues, and sharpen your detective skills to solve immersive and complex puzzles. Uncover hidden truths and look beyond appearances to choose your path to resolving the case. Every mystery offers branching routes and secret passages waiting to be discovered.…
Read the full description on GOG ↗Download Cthulhu: The Cosmic Abyss
Continue to an official storefront to download or purchase this title.

Cthulhu: The Cosmic Abyss reviews & player comments
Store ratings and available player reviews. Review snapshots show their last refresh date.









Most helpful7
Most recent7