Subnautica 2
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About Subnautica 2
An underwater survival adventure set on an all-new alien world where you can survive alone or with up to three friends.
Session Length
Long sessions — expect 90+ minute campaigns
Sessions often last over an hour due to the immersive nature of base building and deep-sea exploration.
Who Is This For?
Designed for friends who want to play together. Best when you can dedicate a full evening — this one rewards longer sessions. Ideal for squads that thrive on fast-paced teamwork and reflexes.
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Co-op summary for Subnautica 2
Co-op setup
Co-op support by platform
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| Platform | Edition | Online | Couch | Split-screen | LAN | Drop-in | Campaign | Group | Online max | Local max |
|---|---|---|---|---|---|---|---|---|---|---|
| Windows PC | base | Supported | Not supported | Not supported | Not supported | Not supported | Not supported | Not verified | 4 | Not verified |
| Steam Deck | base | Supported | Not supported | Not supported | Not supported | Not supported | Not supported | Not verified | 4 | Not verified |
| Xbox Series X|S | base | Supported | Not supported | Not supported | Not supported | Not supported | Not supported | Not verified | 4 | Not verified |
Before you play
- Crossplay hasn't been confirmed yet.
- No local / couch co-op — this is an online-only co-op experience.
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Frequently Asked Questions
Does Subnautica 2 have co-op?
Yes. Subnautica 2 supports online co-op across the listed platform/edition versions.
How many players can play Subnautica 2 together?
The co-op party size for Subnautica 2 has not been verified on Co-Op Now yet.
Does Subnautica 2 support crossplay?
Crossplay support for Subnautica 2 has not been confirmed on Co-Op Now.
What kind of game is Subnautica 2?
Subnautica 2 is a Action, Adventure, Early Access game best suited for long co-op sessions (~90 minutes).
Can I find people to play Subnautica 2 with?
Yes — open the LFG board for Subnautica 2 to see who's looking right now, or visit the how-to guide for finding Subnautica 2 players. You can start an LFG draft without signing in; a free account is required to publish it.
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