Where Are Tainted Grail Save Files Located?
Tainted Grail saves live in AppData\LocalLow\Questline\Fall of Avalon under a numbered folder, with a GOG fallback.
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Tainted Grail stores saves under a Questline folder in LocalLow, inside a numbered directory with a Saved folder at the bottom. AutoSave and QuickSave folders there map directly to the in game slots.
The game sometimes writes to the wrong home. When Steam detection hiccups at launch it drops saves into a GOG Galaxy folder instead, even for players who never installed GOG. Lost progress usually means checking that second address, not replaying forty hours.
Where Tainted Grail: The Fall of Avalon stores this, by platform
%USERPROFILE%\AppData\LocalLow\Questline\Fall of Avalon\<numbers>\Saved
Main location. If saves vanished, check %LOCALAPPDATA%\GOG.com\Galaxy\Applications\<numbers>\Storage\Shared\Files\Saved and move the slot folders back here. The two number segments differ, so match by slot folder names.
~/.local/share/Steam/steamapps/compatdata/1466060/pfx/
Proton prefix, app ID 1466060. Both the Questline path and the GOG fallback are mirrored under drive_c/users/steamuser, so check both trees.
Frequently asked questions
my tainted grail saves disappeared, are they gone
Search the disk for the slot folders like AutoSave_1. The game often stashes them in the GOG Galaxy storage tree when Steam detection fails. Copy them back into the Questline Saved folder to recover.
how do i back up tainted grail saves
Copy the whole Saved folder under the numbered Questline directory with the game closed. Slot folders restore independently, so you can rescue a single run without touching the rest.
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