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Subnautica 2
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“The game is far from complete but so far it's fun. My biggest complaints: - Creatures constantly attacking you and you can't do anything but take it or run away - Hammerhead calling in a tactical nuke on your base every 5 minutes - In multiplayer, every player has to get the…”
— a player, Steam review · 16 hrs played“I play this with my bf while our friends watch...The amount of times one of us has started screaming randomly or teasing a leviathan is limitless....best game ever!”
— a player, Steam review · 36 hrs played“Just finished all the story content the game has to offer so far, and as you can see in my hours played counter, it didn't take all that long. As the game is now (which I know is early access), if you're only buying it for the story, it isn't worth the $30 price tag. As for the…”
— a player, Steam review · 13 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Subnautica 2 Early Access Buddy System Hotfix 1
Update (3rd September): We've fixed an issue where in-progress Axum Powerplant Turbines disappeared or were no longer completable. Players affected will now see the Powerplant Turbine ghost again and
Healing the Ocean, Together: Subnautica 2 × The Ocean Cleanup
Hello Subnauts, Since Subnautica 2 entered Early Access, you have continued to amaze us. You've charted every trench, built bases in places we never imagined possible, pulled friends into the depths w
Subnautica 2 Early Access 1.2 - Buddy System Update
Hello Subnauts, Subnautica 2’s Early Access 1.2 update, Buddy System , just landed! This update introduces the hugely requested Proximity Chat feature, Player Revives, Emotes, Player Trading, two new
Update Vlog - Early Access 1.2 (Buddy System)
Subnautica 2 Creative Director Anthony Gallegos returns to discuss everything you can expect from the 1.2 update, Buddy System, out tomorrow (August 19th). From features like Proximity Chat, Player Tr
Subnautica 2 Experimental Branch Released
Hello Subnauts, As part of our ongoing dedication to the open development process during Early Access, we’re launching the Experimental branch of Subnautica 2 today on Steam. The Experimental branch i
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Adventure, Early Access |
| Player tags | Multiplayer · Survival · Horror · Underwater · Exploration · Co-op · Open World · Survival Horror · First-Person · Adventure · Atmospheric · Early Access (Steam store community voting) |
| Features | Single-player · Multi-player · Co-op · Online Co-op · Cross-Platform Multiplayer · Full controller support · Adjustable Text Size · Camera Comfort |
| Languages | English * , German, Korean, Portuguese - Brazil, Spanish - Latin America, French, Japanese, Simplified Chinese, Italian, Russian, Ukrainian * |
| Controller | Full support |
| Official site | https://subnautica.com |
Minimum system requirements (PC)
Minimum: OS: Windows 10/11 Processor: Intel Core i5-8400 / AMD Ryzen 5 2600 Memory: 12 GB RAM Graphics: GeForce GTX 1660 6GB / RX 5500 XT 6GB DirectX: Version 12 Network: Broadband Internet connection Storage: 50 GB available space Additional Notes: Requires a 64-bit processor and operating system