Where Are Subnautica 2 Save Files Located?
Subnautica 2 saves dives in a Subnautica2 folder under Local AppData with Steam Cloud, plus branch-separated slots.
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Subnautica 2 follows the Unreal pattern: a Subnautica2 folder inside Local AppData with Saved/SaveGames for slots and Saved/Config for settings. Steam Cloud mirrors the tree when the game closes cleanly.
Early Access adds branch discipline. Experimental and main builds keep separate saves, so confirm build metadata before restoring anything. Xbox builds stay sandboxed in Packages with no manual path at all.
Where Subnautica 2 stores this, by platform
%LOCALAPPDATA%\Subnautica2\Saved\SaveGames
Slot saves plus Config settings. Cloud mirrors on clean exit. Back up before patches; branches do not share saves.
~/.local/share/Steam/steamapps/compatdata/1962700/pfx/drive_c/users/steamuser/AppData/Local/Subnautica2/Saved/SaveGames
Proton prefix for app ID 1962700; the Subnautica2 tail inside mirrors Windows. Same branch-separation rule on Steam Deck.
Frequently asked questions
How do I back up Subnautica 2 saves?
Copy the whole SaveGames folder before every Early Access patch and again after major updates. Experimental and main-branch saves live apart and cannot cross over.
Can I move Subnautica 2 saves between branches?
Check the build and branch metadata first: slots only load on matching builds. A manual backup plus a disposable preview save keeps testing safe.
Notice an outdated path? Let us know.