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Subnautica cover

Subnautica

A Adventure game by Unknown Worlds, released in 2018

84/100🟡Healthy🏆Proton PlatinumXbox Series X|SPlayStation 4Nintendo Switch 2

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.

Single player

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Subnautica Download Size

We are currently tracking official storage requirements for Subnautica. Check back for updates on install size and SSD costs.

Is Subnautica Dead?

Live player count and server population analysis.

🟡Healthy
4.4KPlayers Online

There are currently 4,438 people playing Subnautica, placing it in the top 5% of active games. The community is alive and well.

Current Activity24h Peak: 5.3K
Estimated Match Wait: Standard (1-2 min)
Live Data from SteamAPI

Where is the Subnautica save file?

Manual backup locations for PC, Mac, and Linux.

Steam Cloud Supported
Copy
%USERPROFILE%\AppData\Local\Subnautica\Saved\SaveGames

How to backup manually on Windows

  1. Press Win + R to open the Run dialog.
  2. Paste the path above and press Enter.
  3. Locate the save files (usually .sav, .json, or similar).
  4. Copy the entire folder to a backup location.
Copy
~/Library/Application Support/Subnautica/Saves

How to backup manually on Mac

  1. Open Finder and press ⌘ + Shift + G.
  2. Paste the path above and click Go.
  3. Locate the save files in the folder.
  4. Duplicate the folder to create a backup.
Copy
~/.local/share/Subnautica/Saves

How to backup manually on Linux

  1. Open a terminal and use cd to navigate to the path.
  2. Or use your file manager and press Ctrl + L to enter the path.
  3. Locate the save files (.sav, .json, or game-specific format).
  4. Copy the folder with cp -r or your file manager.
Source: PCGamingWiki ↗

Is Subnautica Steam Deck Compatible?

SteamOS and Linux Proton performance analysis.

Valve Official🚫Unsupported
Community Rating🏆 Proton Platinum

Community Verdict: Playable!

Don't let the "Unsupported" tag fool you. While Valve hasn't officially verified Subnautica, ProtonDB users report it runs perfectly (Gold/Platinum rating). You may need to force a specific Proton version.

Confidence: High (Many Reports)
See 642 user configs ↗

Can I Run Subnautica?

System requirements not available for this title.

Is Subnautica Good?

Aggregated critic scores and player sentiment analysis.

84
Rated 84 out of 100
Generally Favorable11 Verified Reviews

The Verdict

Based on 11 critic reviews, Subnautica has received generally positive feedback. With a solid score of 84, it stands out as a strong entry in the adventure category, though it may have minor flaws.

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