Manually installing "Steamworks Common Redistributables" AppID 228980 will cause the install script to run.
Hello @reedlove, 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/1920#issuecomment-1270773731.
Compatibility Report
System Information
I confirm:
Symptoms
If the "Steamworks Common Redistributables" are not installed, the installation script for the game will not install the needed DirectX and Visual C runtimes, resulting in a flashing screen with broken shaders and eventual system lock.
Reproduction