I can play without any issues for some time but then the game just become laggy and pretty much unplayable for some reason.
Hello @witchlliee, 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/6088#issuecomment-2575280276.
Compatibility Report
System Information
I confirm:
Symptoms
I can play without any issues for some time but then the game just become laggy and pretty much unplayable for some reason.