Subnautica 2 confirms multiplayer for up to four players with crossplay support, launching in 2026 on PC and Xbox.
Subnautica 2 just gave fans a big reason to be excited. The highly anticipated survival sequel from Unknown Worlds has officially confirmed multiplayer support along with cross-platform play, expanding the series in a way players have been asking for since the original launched.
Subnautica 2 Announced Multiplayer Mode and Cross-Platform Play
Subnautica is no stranger to headlines. That’s largely because the first game set such a high bar for survival titles, earning a reputation as one of the best in the genre. More recently though, headlines have also focused on the tension between developer Unknown Worlds and publisher Krafton, which led to executive departures and eventually a lawsuit. Despite that ongoing situation, excitement for the sequel hasn’t dipped. In fact, Subnautica 2 currently sits as the most anticipated upcoming game on Steam for 2026.
Unknown Worlds’ latest dev vlog landed at the perfect time. In it, the team confirmed that Subnautica 2 will feature multiplayer, allowing players to either start a fresh co-op save or invite friends directly into their single-player worlds. Up to four players can explore the alien ocean together, build elaborate bases, and face the planet’s dangers side by side.
Even better, the game will support cross-platform play. That means no worrying about who owns which system as friends can play together regardless of platform. For a series that originally thrived on isolation and solo survival, this is a major evolution.
Design lead Anthony Gallegos reassured longtime fans that Subnautica 2 will continue to offer a dedicated single-player experience, staying true to the tone and structure that defined the original game. The sense of immersion and atmospheric depth remains a core pillar of the sequel.
No specific release date has been shared yet but Subnautica 2 is planned for early access launch in 2026 on PC and Xbox.
In other Subnautica news, Unknown Worlds announced that Subnautica and Subnautica: Below Zero will arrive on Nintendo Switch 2 on February 17. Both titles have received graphical improvements tailored for the new console, giving players another opportunity to dive back in while waiting for the sequel.
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