Hello @ASHGOLDOFFICIAL, we're tracking issues with games run with Proton in the Proton issue tracker. Also, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/3312#issuecomment-2119261835.
Your system information
Please describe your issue in as much detail as possible:
Cloud saves for Hades do not work. It always says "Up to date" but storage is empty. I discovered it after reinstall.
Steps for reproducing this issue: