Subnautica 2

Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

Developer: Unknown Worlds Entertainment.

Tags: Solo · Co-op, Survival, Underwater, Horror.

Steam reviews: Very Positive (91% of 116,749).

Price: $29.99.

Released 2026-05-14.

Last updated 2026-08-20.

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