Distros are a red herring. I used debian 12 (first gnome, then xfce) for more than a year with no problems, and the current version of Bazzite is also problem-free for me when it comes to nvidia prime (apart from a KDE-specific memory leak). Basically, this should be easily fixable without a fresh install.

I don’t know what distro you’re on atm, but set up prime-run and try running programs with that. I also recommend going onto the uefi and disabling secure boot. You can get it to work with proprietary nvidia drivers, but it’s a bit of a process and unless you really need it you might as well leave it off for now.

Can’t believe it’s broken on X11 too lol

I guess it’s in Valve’s hands, then… unluko

edit: does the problem persist if you change your desktop res to 4:3 before launching the game?

Are you using Wayland or X11? (find out by entering “echo $XDG_SESSION_TYPE” into a terminal)

I suspect you’re on Wayland, because that’s what I’m using and I also can’t click anything when using a non-native resolution. I used to be able to get around this by editing the executable but as you can see that’s been broken since October. For all the good Valve have done for Linux gaming, they sure don’t seem too bothered by their flagship being busted.

This is where I’ve just given up and switched to native res (as I want to keep using Wayland) but you might be able to make it work by switching to an X11 session. What distribution are you running?