Immerse yourself in a new adventure with Subnautica 2, an open-water survival game from the creators of the Subnautica series. Play alone or with up to three friends in online multiplayer co-op.
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Subnautica 2 hit Early Access on May 14 and immediately set a 467,582 concurrent Steam peak with over a million copies sold in the first hour, burying nine months of pre-launch drama on the way to one of 2026's biggest game launches.
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Subnautica 2 enters Early Access on May 14 with four-player co-op, a brand-new alien ocean world, and a $29.99 price tag — after surviving one of gaming's messiest developer-publisher disputes.