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Press release:
Amsterdam, The Netherlands – May 14, 2026 – Unknown Worlds today announced the Early Access launch of Subnautica 2, the official sequel to the Subnautica series.

Ahead of its Early Access launch, and just days after pre-purchases opened this week, Subnautica 2 surpassed 1 million copies sold and reached the No. 1 spot on Steam’s global top sellers charts across multiple countries.

“The Early Access launch of Subnautica 2 marks the beginning of an adventure to chart the unknown deep alongside players worldwide,” said Fernando Melo, Executive Producer of Subnautica 2.

“Player feedback is the compass guiding our direction, and we will continue building the experience together with the community throughout Early Access.”

Developed by Unknown Worlds, founded by Charlie Cleveland and Max McGuire, Subnautica 2 is the official sequel to the genre-defining Subnautica series, which has sold more than 18.5 million copies worldwide. Set on a new alien world within the Subnautica universe, the sequel introduces new ecosystems, enhanced visuals powered by Unreal Engine 5, and for the first time in the series, optional co-op for up to four players, allowing players to survive and explore together.

Subnautica 2 also generated strong momentum across its pre-launch video releases. The game’s cinematic trailer, released on April 30, has surpassed 10 million cumulative views, while the gameplay trailer released on May 9 has reached more than 5 million views so far.

About Unknown Worlds

Unknown Worlds is a renowned, global game development studio. 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. For more information, please visit unknownworlds.com.