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Subnautica 2 Sells 4 Million Copies in 5 Days of Early Access, Estimated Revenue Around 16 Billion Yen

Subnautica 2, the underwater adventure game developed by Unknown Worlds and published by KRAFTON, surpassed 4 million copies sold worldwide within just five days of its Early Access launch on May 15, 2026. Estimates place first-week revenue at approximately 16 billion yen, making it one of the fastest-selling games released this year. Steam reviews are holding at 'Very Positive,' reflecting strong player reception.

First seen May 21 ago4 sources covering

Sources (4)

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How sources are framing this

Automaton focused on the revenue estimate of ~16 billion yen, while 4Gamer emphasized the official sales milestone announcement from KRAFTON Japan; both sources agree on the 4 million copies figure.

What we know

  • Subnautica 2 launched in Early Access on Steam on May 15, 2026, developed by Unknown Worlds and published by KRAFTON.
  • The game crossed 4 million copies sold globally within 5 days of Early Access launch.
  • First-week revenue is estimated at approximately 16 billion yen, ranking it among the fastest-selling titles of 2026.
  • Steam user reviews are maintaining a 'Very Positive' rating as of the milestone announcement on May 22, 2026.

Referenced titles

Subnautica 2