Where Are Deltarune Save Files?
Deltarune stores chapter saves in a DELTARUNE folder under Local AppData on Windows. Each chapter has three save slots plus completion files in the same directory.
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On Windows, saves for Steam and itch builds share AppData Local DELTARUNE under your user profile. Slot files are named filechN_S where N is the chapter and S is 0 to 2 for in game slots 1 to 3.
Completion files use higher suffixes in the same folder and unlock next chapter transfer. Demo and full builds share the folder on Windows and Mac, while Linux Proton keeps demo and full builds under different compatdata IDs.
Where Deltarune stores this, by platform
C:\Users\<username>\AppData\Local\DELTARUNE
<username> is your Windows account name. filechN_0 through filechN_2 are playable slots for chapter N. Higher suffixes are completion data. dr.ini and true_config.ini in the same folder hold settings.
~/Library/Application Support/com.tobyfox.deltarune
Same filech naming as Windows. Use Go to Folder in Finder to open the hidden Library path. Steam and itch builds share this folder.
~/.steam/steam/steamapps/compatdata/1671210/pfx/drive_c/users/steamuser/AppData/Local/DELTARUNE
Path is for the full release under Steam Play. Demo Proton path uses compatdata 1690940 instead. Copy demo files to the full path manually if transfer does not occur.
Frequently asked questions
What do filech names mean?
filech2_0 is chapter 2 slot 1, filech2_1 is slot 2, and filech2_2 is slot 3. The same pattern holds for chapters 1 through 4. Edit or replace only the slot you use and keep a backup.
Why is my Linux demo save not in the full game?
Proton stores demo saves under compatdata 1690940 and full game saves under 1671210, so no auto copy occurs. Close the game and copy the needed filech files from demo to full path, then relaunch.
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