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Subnautica 2
Voice-ready Subnautica 2 lobbies — find your squad.
- Survival
- Up to 4 players
- PC / Xbox Series X|S
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Subnautica 2 is an Early Access underwater survival adventure that can be played alone or in optional four-player online co-op. A host can invite up to three friends across PC and Xbox Series X|S to explore an alien ocean, build custom bases, craft tools, and uncover the developing story together.
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Game details
- Genre
- Survival · Action
- Platforms
- PC · Xbox Series X|S
- Ways to play
- Single player · Co-op · Cross-play
- Party
- Up to 4
Game footage
Inside Subnautica 2
Good to know
Subnautica 2 — frequently asked
How many people can play Subnautica 2 co-op?
Subnautica 2 supports optional online co-op for four players: one host and up to three friends. It can also be played as a single-player experience.
Does Subnautica 2 support cross-platform co-op?
Yes. Official launch information confirms cross-platform multiplayer between the PC and Xbox Series X|S versions.
Is Subnautica 2 fully released?
No. Subnautica 2 entered Steam Early Access and Xbox Game Preview on May 14, 2026. Unknown Worlds plans to expand its biomes, creatures, craftables, features, and narrative during development.
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