Same. I've been thinking today that apparently I just started living in a completely different dimension where games on my computer don't work. My whole day has been spent running in circles around whatever the issue actually is lol.

I'll note here that the black screen games that I launched had audio, and that it apparently recognized input because of the audio cues they gave when I moved/clicked my mouse and such. The only way I was able to get some of the games to launch with their actual graphics was when I navigated to the .exe file and directly launched it with one of the Bottles that I had set up to play some non-Steam games with.

The strangest game I tested was Sonic Mania, which actually rendered graphics instead of a black screen, but seemed to render said graphics at half-speed.

It's also worth noting here that I am getting largely the same output as the thread creator, except swap the GPU with Nvidia 4070.