Guide
Subnautica 2 Co-op and Multiplayer Explained
Co-op is one of the clearest confirmed features on the current public store listing. The game is positioned around solo play or online multiplayer with up to three friends.
Confirmed Player Count
Current public materials describe the game as playable alone or with up to three friends, which points to a total session size of up to four players.
What To Expect At Launch
Because the release is currently framed as Early Access, multiplayer systems may evolve over time. Players should expect feature tuning, balancing and ongoing refinement after the initial public launch.