Subnautica Deep Ocean
Buy Subnautica Deep Ocean, a first-person deep-sea survival adventure by Unknown Worlds Entertainment. and get instant delivery.
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System requirements
Minimum
- Processor
- Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent
- Memory
- 4 GB RAM
- Graphics card
- Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark
- DirectX
- Version 11
- Storage
- 20 GB available space
Recommended
- Processor
- Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent
- Memory
- 8 GB RAM
- Graphics card
- Nvidia GTX 550 Ti or equivalent, 2GB VRAM
- DirectX
- Version 11
- Storage
- 20 GB available space
Source: Steam · updated September 4, 2026
Subnautica Deep Ocean is a first-person survival adventure from Unknown Worlds Entertainment, set in the 22nd century on a planet covered almost entirely by ocean. You play as Ryley Robinson, a space traveler whose starship crash-lands far from safety. To survive, you need to manage food, water, oxygen, tools, and shelter while exploring a vast underwater world.
The game blends hands-on survival with a layered story. As Ryley follows radio messages, investigates wreckage, and dives deeper into the ocean, he learns more about the Leviathan, the mysterious Precursors, and the reason the planet is under quarantine. Lower difficulty modes can switch off hunger and thirst, making exploration more relaxed.
Subnautica Deep Ocean is known for its striking ocean environments: corals, fish, colorful sea life, grotesque creatures, and bio-luminescent depths. Scuba gear lets you spend most of the game underwater, though oxygen remains a constant concern. Varied environments add replayability across new runs.
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