The menus work perfectly but it's unplayable because there is no lighting when a game is started, like in the following screenshots
As you can see, there are light sources, but they don't actually light the scene.
Hello @carzacc, 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/361#issuecomment-419728515.
Compatibility Report
System Information
I confirm:
Symptoms
The menus work perfectly but it's unplayable because there is no lighting when a game is started, like in the following screenshots
As you can see, there are light sources, but they don't actually light the scene.