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Players
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536
24h peak
536
7d peak
536
From the developer
Official Steam announcements for this game
Subnautica Free Weekend & Series Sale
Hello Subnauts, With Subnautica 2's Early Access launch on the horizon, we're hosting a Free Weekend for Subnautica, the game that started it all. From April 2nd at 10:00 AM PT through April 6th at 9:59 AM PT, you can play Subnautica for free. If you haven't e...
6mo ago
Below Zero Security Hotfix
We have released a hotfix today that addresses a security-related concern raised to us by Unity. You can read more about the specific issue here: https://unity.com/security/sept-2025-01/ While the update patches out the flaw, Unity has said that, to their know...
12mo ago
Below Zero 2025 Patch
We’ve just released a brand new patch full of bug fixes and improvements for Below Zero! This update will roll out worldwide and might take some time to appear across the globe. PC & Console Added a pop-up newsfeed that can be used for one-time-only announceme...
About
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.