Danish environmental campaigner Merijn Tinga has windsurfed up the Thames to return plastic bottles from the UK which he found in Sweden
10
votes
Make sure to back up your save files if you're on the experimental branch!
Edit: The path to the save file in Linux isn't correct:
/home/[LocalUserName]/.steam/steam/steamapps/compatdata/526870/pfx/drive_c/users/steamuser/AppData/Local/FactoryGame/Saved/SaveGames/76561198144444658 [#this number might be different.]
Should see the save file with the title of your save there, just copy it to somewhere else.
This is where I found it on Ubuntu 20.04, with proton.