Subnautica is an open-world survival adventure game for the Microsoft Xbox One. Players dive into an alien underwater world filled with wonder and peril. You crash land in an escape pod on an unexplored ocean planet, and the primary objective is to explore the depths, craft equipment, pilot submarines, outwit wildlife, and unravel the planet's mysterious secrets. With a focus on exploration and resource management, players must maintain their oxygen supply while navigating lush coral reefs, volcanic caverns, and deep-sea trenches. Genre: Adventure, Survival, Open-World.