Subnautica 2 Sells 1 Million Copies in Under 2 Hours After Early Access Launch

Unknown Worlds launched Subnautica 2 in Early Access on May 14, 2026. The game sold over 1 million copies within 1.5 hours of launch.

Sales milestone confirmed by developer

The game reached a peak of 467,582 concurrent players on Steam, according to SteamDB. Unknown Worlds confirmed the sales milestone about an hour after the game went live.

Unknown Worlds has not provided additional details about future updates or a full release timeline.

The studio thanked players in a social media post, saying, "Over 1 million Subnauts have already dived into Subnautica 2. We can't thank you enough for your support!"