Windows Games on Steam for Linux. [Proton client Testing grounds]

Here is what I see when I try to launch Wolfenstein II in the Ubuntu 16.04 LTS with AMDGPU/PRO. It hangs.

FYI before and after I ran that test I double checked that my Vulkan Environment is o.k. and I ran a couple of tests.

I ran via:

I compiled and ran Hologram:

I also tested that Doom still runs great. I did not generate another video because I ran out of time. I pointed to the video of that further up this thread anyhow.

I am running out of time to test this any further for a while.

I need more information/ investigation regarding rolling back my mesa drivers and how I can work with https://copr.fedorainfracloud.org/coprs/amartinz/mesa-git/ on my
Fedora 28 installation. How I can remove thise mesa drivers, and how I can get the Fedora installation back on to main Fedora 28 mesa repo. I will ask for help on the The small linux problem thread.

Sorry if my questions seem simple but I have just moved from Windows to Ubuntu full time. I am ~ o.k. working within the standard Ubuntu/Fedora distros, but using 3rd party Mesa repos or downloading, compiling, and installing driver packages from https://mesa3d.org/ is outside my previous experience in Linux.

Thanks for your understanding.

I will summarize my testing results and post them to this forum as soon as I can. I need to get back to working on my main projects.

Thanks again.
Bye.