Posted May 15, 2026 at 2:54 PM UTCAThe VergeThat’s a lot of subs.Subnautica 2 is off to such a fast start that I just had to update our story from yesterday: the game has now sold 2 million copies in 12 hours, and reached a peak concurrent player count of 651,000 across all platforms.Developer Unknown Worlds has also released an early access roadmap, which in the near term includes updates focused on quality-of-life additions and co-op.Update: Added the roadmap.Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.Andrew Webster