After nearly a decade of community mods papering over the gap, Unknown Worlds is finally bringing native multiplayer to the Subnautica franchise. Subnautica 2 enters Steam Early Access in May 2026, and for the first time in the series, you'll be able to explore an alien ocean alongside friends — no third-party patches required.
Here's a concise rundown of what's been confirmed, and what it means for anyone planning to host a private server.
Up to Four Players, Fully Integrated
Subnautica 2 supports solo play and up to four-player co-op out of the box. Multiplayer was the community's most-requested feature for years, and Unknown Worlds has built it directly into the game rather than bolting it on. Progression, base-building, vehicles, and story beats are all designed to work in a shared world.
Crossplay is also confirmed between PC (Steam, Epic) and Xbox Series X|S from day one of Early Access, so mixed-platform groups can play together without extra setup.
Dedicated Servers, Built In
Where the original Subnautica relied on fan projects like Nitrox to enable any kind of multiplayer, Subnautica 2 is being developed on a new engine architecture (Unreal Engine 5) with native dedicated server support. That matters for a few reasons:
- Persistence. Your world, bases, and vehicles stay online even when nobody is playing — no host-migration headaches, no lost progress when the host logs off.
- Stable physics and simulation. A dedicated server handles the heavy lifting for large creatures, base states, and resource nodes, so clients stay consistent.
- Always-on access. Players in different time zones can drop in and out whenever they like, rather than coordinating around a single host's schedule.
Why Private Hosting Is Worth It for Co-op
Four-player co-op is the sweet spot for private hosting. Peer-to-peer sessions work for quick drop-in play, but they depend entirely on the host's internet, hardware, and availability. A dedicated server gives your group:
- A persistent shared world that keeps progressing between sessions.
- Low, consistent latency for every player, regardless of who's online.
- Automated backups so a rogue leviathan encounter doesn't wipe weeks of base-building.
- Full admin control over settings, whitelists, and world resets.
Hosting Subnautica 2 With LOW.MS
LOW.MS will offer Subnautica 2 dedicated server hosting from day one of Early Access. Expect the usual: instant deployment, one-click backups, a full web control panel, 24/7 support, and global server locations so your crew gets the best possible ping.
Subnautica 2 is currently listed as Coming Soon on our site. Bookmark the game page and you'll be able to order a server the moment Early Access goes live.