If the game simply won't save your progress after a session:
Note : This is crucial to prevent Steam Cloud from automatically syncing and overwriting your local data. dark siren save file fixed
If you replace the file and it doesn't work, set the new file to Read-only before launching the game. This prevents Steam Cloud from overwriting it immediately. Once you are in-game and see your points, Alt-Tab out and uncheck Read-only so you can save future progress. 4. Fix for Games Not Saving at All If the game simply won't save your progress