/steamapps/compatdata/1205950/pfx/ . Mac OS: ~/Library/RenPy/SeedsOfChaos-[GameID]
Copy the existing files to a separate folder before making changes. seeds of chaos save file
If you play on both PC and mobile (via emulators like JoiPlay), you can manually sync your files: /steamapps/compatdata/1205950/pfx/
The game follows a standard Ren'Py save structure. On Windows, you can typically find your save data in one of two locations: Steam Installation: seeds of chaos save file