Of the 17 games I’ve played over the past 9~ months since installing mint Linux and steam proton, only 2 base games have had issues and 2 games I’ve had trouble modding. I think it’s a discussion worth having so let me go through the few issues I’ve had in regards to games on Mint Linux (Ubuntu based). 2 problems were resolved without issue, 1 was a qualified success, and one I gave up on trying to mod.
To be clear this is all on an intel Intel 7700HQ CPU and nvidia GTX1060 GPU. It’s not the newest or top of the line anymore but it’s still plenty capable.
Foxhole: there was a week about a 2 months ago where I had to launch it through lutris because proton was having an issue with loading in to the map. As far as I could gather, the devs had updated shaders or some libraries to fix a glitch with small trains hovering at max map height, and this caused issue with proton being unable to load shaders. Using lutris (which I think uses wine?) fixed the issue and the devs fixed the issue with proton about a week later.
Helldivers 2: extremely bad frame rates and straight up locking up the computer part way through the intro or tutorial. I think it was an issue with the graphics card memory just getting filled up and not clearing. I don’t remember exactly what I did to fix it, but it involved caping the FPS at 60 FPS. It works now but only with low settings and I still get a bad frame rates when the map gets crowded.
Then there was modding games that had some issue. Both of them were older games that relied on patchers.
Vampire the Masquerade: Bloodlines:
Worked great as the base game. The patcher for the unofficial fan patch was a .exe though, so I added it to steam and ran it with proton, it couldn’t find the game files and I had to manually direct it to the files in proton’s mock windows file structure, but after that it patched and worked fine from there.
Fallout: New Vegas:
The base game ran flawlessly (well as flawlessly as base game New Vegas can run), same procedure as above, opened patcher and mod manger by adding to steam and opening with proton, directed them to the weirdly placed files, but this time they didn’t recognize the game files and refused to patch. I fiddled with it for a bit, but gave up because I didn’t care that much.
Again I want to emphasize that these are 4 out of 17 games, only one of which had persistent issues, and one that I gave up on trying to mod. None straight up wouldn’t run and none were unplayable after a bit of tinkering. This is about the same rate of tinkering I was doing back in windows to get things running the way I wanted with games.
There is a lot of work left to do here, but playing games on Linux is absolutely doable even if you’re not particularly tech savvy. if you don’t have the patience to trouble shoot, you will be fine 9 times out of 10. I’m more tech savvy than the average bear, but I don’t work in tech nor do I have a formal education.
You don't need to add the exe of whatever mod tool to Steam, use Steam Tinker Launch. It lets you add an exe to run instead of the game, concurrent with the game, or injected after the game is up, and it will run in the same prefix that Proton uses for that game. It also has tools for installing and using several mod managers, and generally a ton of good features for tinkering with the game.
The main issue I haven't solved is getting something like the Nexus mods "open in manager" to work. My guess is I might have to install, run, and configure a web browser inside the prefix, but that sounds really annoying so I haven't tried it.
Linux and nvidia have a strained relationship. There are a couple nvidia specific distros that might do you better. I am on Pop_OS and so far have had zero issues. The only game we have in common is Helldivers 2, and it runs perfect. Granted I have a 2080, so that might have something to do with it, but the gap is mostly ray tracing. Bazzite also has an nvidia specific version, but I have not used it. I have heard it is great, though.
Yah, I had to manually install the driver in mint for the nvidia card, and had to change a setting in the bios to get the system to even see the card. But it works fine other than that. I’m considering going with an AMD card next time I get a computer, largely because I hear they work a lot better with Linux.