Subnautica

Subnautica

Subnautica is an open world, underwater exploration and adventure game
 
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Subnautica is an open world, underwater exploration and adventure game. After crash landing on an alien ocean world, the only way to go is down. Subnautica's oceans range from sun drenched shallow coral reefs to treacherous deep-sea trenches. Manage your oxygen supply as you explore Kelp Forests, plateaus, reefs, and winding cave systems.