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Subnautica 2 Hits 2 Million Sales in 12 Hours After Early Access Launch

The blowout debut strengthens Unknown Worlds’ hand in its $250 million earnout fight with Krafton.

Overview

  • The underwater survival sequel, which entered Early Access on Thursday, sold 2 million copies in 12 hours and topped 651,000 concurrent players across PC and Xbox.
  • Steam alone peaked at roughly 467,000 concurrent users as the game held the global top-seller slot and drew a Very Positive user rating.
  • Unknown Worlds outlined an Early Access roadmap, with EA 1.1 adding a sprint option plus biomod and storage upgrades, and EA 1.2 bringing co-op voice chat, emotes, trading, and revive before larger biomes and story updates.
  • A Delaware court earlier this year reinstated CEO Ted Gill and extended the earnout deadline to September 15, 2026, which makes the launch performance material to the disputed $250 million payout.
  • Before release, incomplete builds leaked online, and developers urged players to avoid them and said they would prefer a buy-and-refund over piracy as the official launch drew paying players.