Subnautica 2 Crosses 2 Million Sales in Half a Day

Shortly after announcing more than one million copies sold, Unknown Worlds' survival crafting title has reached another big milestone.

Posted By | On 15th, May. 2026

Subnautica 2_01

While Unknown Worlds announced over one million sales for Subnautica 2 shortly after early access went live, it’s hit a new milestone in short order. The developer told various outlets, including IGN, that it crossed two million copies sold in just 12 hours.

The peak concurrent player count on Steam remains at 467,582, but with the weekend rolling around, it wouldn’t be surprising to see it doubled. However, the user reviews have improved significantly. Currently at 11,480, about 93 percent recommend the underwater adventure, resulting in a “Very Positive” rating.

Design lead Anthony Gallegos said before launch that it’s “bigger and more polished” than the studio’s previous early access launches. The former certainly holds, especially if you’re taking the time to explore and figure things out on your own. Yet there are several technical areas to improve, including the lack of a field-of-view slider. There’s also the End User License Agreement, which has caused controversy among some players.

Regardless, you can expect the popularity of Subnautica 2 to only grow from here on, especially as Unknown Worlds begins to roll out updates. Early access is expected to last at least two years (at most, three) with the studio adding more content, including new biomes, features, and creatures. It also confirmed that the price will increase for the 1.0 release.


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