Subnautica Series Sales Top 18.5 Million Units - Sales
by William D'Angelo , posted on 11 February 2026 / 1,747 ViewsDeveloper Unknown Worlds Entertainment in the press release announcing Subnautica and Subnautica: Below Zero are coming to the Switch 2 revealed the Subnautica series has sold over 18.5 million units.
"Unknown Worlds is a renowned, globally distributed game development studio," reads the press release. "The studio is best known for the genre-defining Subnautica series, which has sold over 18.5 million units worldwide, as well as the Natural Selection franchise and the turn-based strategy game Moonbreaker."

The original Subnautica released for PC in January 2018, for the PlayStation 4 and Xbox One in December 2018, for the PlayStation 5, Xbox Series X|S, and Nintendo Switch in May 2021, and for iOS and Android in 2025.
The spin-off Subnautica: Below Zero released for the PlayStation 5, Xbox Series X|S, Nintendo Switch, PlayStation 4, Xbox One, and PC in May 2021.
Subnautica 2 is set to launch later this year in Early Access for the Xbox Series X|S and PC.
A life-long and avid gamer, William D'Angelo was first introduced to VGChartz in 2007. After years of supporting the site, he was brought on in 2010 as a junior analyst, working his way up to lead analyst in 2012 and taking over the hardware estimates in 2017. He has expanded his involvement in the gaming community by producing content on his own YouTube channel and Twitch channel. You can follow the author on Bluesky.








