My first thought is that there might be some Kind of DRM involved, early access and dev versions might not have it but the full releases might.

UwUntu

When i installed Isaac on linux i didnt get any of my old gamefiles, do i somehow need to activate the Streamcloud? Also is there a another savegames folder on linux?

Switching my main computer to Linux after finally having enought experience with freecad and being done with a school forcing us to use Autodesk programs

You allways pay with something

Blowing soap bubbles and accidently spilling half of the fluid.