Hello @3DRaven, 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/4450#issuecomment-1046324491.
As a side note, ProtonDB is a third party website and is not affiliated with Valve.
Compatibility Report
System Information
I confirm:
i found https://www.protondb.com/app/1091500
steam-1091500.log
Symptoms
After patch 1.5 game not start at all.
Reproduction