Overview
Discover the true meaning of isolation in Underwater, a survival horror game developed by Adam Biggs and published by BiggsGames. Set deep within the Mariana Trench, players are thrust into a desperate fight for survival after a catastrophic event cripples a marine research facility. As a contracted technician, your mission to repair failing systems quickly turns into a harrowing escape attempt when a violent boom plunges you into darkness and leaves you alone with no hope of rescue.
Highlights
- Immersive Survival Horror: Experience constant dread, darkness, and crushing pressure in a unique deep-sea setting.
- Resource Management & Exploration: Navigate a collapsing facility, scavenge vital resources, and restore failing systems to stay alive.
- Single-Player Adventure: Embark on a solo journey of survival, facing the challenges of isolation and a dying environment.
Who It's For
Underwater is for players who enjoy atmospheric survival horror experiences with a strong emphasis on exploration and resource management. Fans of immersive sims and interactive fiction that put them in challenging, isolated environments will find themselves drawn into this deep-sea struggle.
Game Info
Developed by Adam Biggs and published by BiggsGames, Underwater offers a single-player, action-adventure and simulation experience. The game features Steam Achievements and supports English audio. It was released on June 11, 2026, and is rated for all ages.





