Where Are Thalassa Save Files Located?
Where Thalassa keeps Unreal saves and config on Windows, plus the Proton path for Linux players.
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Thalassa follows the standard Unreal layout on PC: saves under a Saved SaveGames tree in LocalAppData with config beside it under Saved Config. The pattern matches other Unreal titles, which helps when the exact folder surprises.
Folder names track the shipping title and can shift between demo and release builds, so confirm the parent on your machine first. On Linux through Proton the same Windows tree appears under compatdata. Copy with the game closed for clean restores.
Where Thalassa stores this, by platform
%LOCALAPPDATA%\Thalassa\Saved\SaveGames
Slot saves in SaveGames with options in Config beside them. Confirm the title folder on your build; demo and release names can differ. Copy with the game closed.
~/.steam/steam/steamapps/compatdata/[AppID]/pfx/drive_c/users/steamuser/AppData/Local/Thalassa/Saved/SaveGames
Same Windows relative layout under Proton. Find the AppID on the store page when scripting. Treat backslashes as forward slashes here.
Frequently asked questions
How do I back up Thalassa saves?
Close the game and copy the whole Saved folder elsewhere with a date in the name. Saves travel in SaveGames, options in Config. Restoring means dropping the tree back before launch.
Does Thalassa use Steam Cloud?
No firm Steam Cloud flag is documented for this title, so treat local copies as the only backup. Check the Steam client properties page for the live Cloud status. Manual copies cost nothing either way.
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