Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Developer
Unknown Worlds Entertainment
Publisher
Unknown Worlds Entertainment
Genre
Adventure, Indie
Released
Jan 23, 2018
Live from Steam
My Progress
Playtime
37h 27m
Achievements
6 / 17
Completion
35%
Recent Unlocks
40-foot Sub For One
(33.8% of players)
Ancient Technologies
(43.9% of players)
Seaside Living with an Ocean View
(42.1% of players)
Personal Propulsion
(52.2% of players)
Settling in for the Long Haul
(52.9% of players)
All Achievements
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Community
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Subnautica News & Updates
Subnautica is free to play this weekend, and the subaquatic survival all-timer has a hefty discount to boot
I have ridiculously fond memories of Subnautica. Mark 'Markiplier' Fishbach and Seán 'Jacksepticeye' McLoughlin's playthroughs remain some of my all-time favorite pieces of gaming content, enhanced by the fact developer-publisher Unknown Worlds Entertainment cooked with the gas on full. The Subnauti...
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 explored the vast oceans of Planet 4546B ...
Subnautica Security Hotfix
We have released a hotfix that addresses a security-related concern raised to us by Unity. You can read more about the specific issue here: the update patches out the flaw, Unity has said that, to their knowledge, no one has exploited the issue to date, ...
Get Subnautica in space and eight other survival games for just $12
Not many of the experiences on the <a href=" survival games</a> list capture the spirit of <strong>Subnautica</strong>, but some give it a good shot. Breathedge is like the series' wackier, less serious cousin, where instead of exploring an ocean, you're trapped in space and have limited oxygen. If you're looking for somethi...
Steam Global Top Sellers for week of 12 Aug — 19 August 2025
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