I also use Steam on Fedora, and I've not had any issues with Stardew Valley, Factorio, Celeste, N++, Undertale, and others. I remember having a brief issue with

I also use Steam on Fedora, and I've not had any issues with Stardew Valley, Factorio, Celeste, N++, Undertale, and others. I remember having a brief issue with Portal, but I was able to resolve it. Overall, I've had a good experience.