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Subnautica 2

Subnautica 2 Early Access 2: Dec 2026Not announced: our best guess from Unknown Worlds' "December".

Best guess

Unknown Worlds' Nov 3, 2026 Voyage to Early Access 2 post says the Frog chassis is "coming with our next content update in December", with no day announced; we count to the end of the announced month. Unknown Worlds on Steam

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The Series

2 Subnautica 2 pages in The Series.

Subnautica Games in OrderThe Subnautica games in release order are Subnautica (Early Access 2014, full release Jan 23, 2018), Subnautica: Below Zero (Early Access Jan 30, 2019, full release May 14, 2021) and Subnautica 2 (Early Access since May 14, 2026). Subnautica 2 has a self-contained story, so it can be played first.
Unknown WorldsUnknown Worlds Entertainment makes and publishes Subnautica 2. Founded in San Francisco in 2001 by Charlie Cleveland and Max McGuire, it made Natural Selection, Subnautica, Subnautica: Below Zero and Moonbreaker, and has been owned by Krafton since 2021.