: Steam occasionally hosts "Free Weekends." For example, a free-to-play period occurred from April 2–6, 2026 , allowing users to play the full game temporarily.
The text "Бесплатная загрузка Subnautica (v07.02.2023)" refers to a "Free Download" for specifically citing the February 7, 2023 build. This particular date corresponds to a minor technical update (Build 10497394) released for the game on SteamDB .
: Official copies are sold through authorized platforms like Steam , the Epic Games Store , and PlayStation/Xbox stores . Genuine Free Opportunities
: Developers from Unknown Worlds have explicitly stated that the game is not free and that unofficial "free download" sites often distribute pirated copies that may contain viruses, keyloggers, or other malware .
: The game has previously been included in services like Xbox Game Pass . The February 2023 Update
While the game is normally paid, there are occasional legitimate ways to play for free:
: Subnautica was famously given away for free on the Epic Games Store in late 2018. If you claimed it then, it remains in your library forever.