Sunless Sea, Sunless Skies and Stardew Valley have native Linux Support. For Stardew, even the third modding API works flawlessly for me.
For the other ones, they are reported to run well on protondb.com, which is a good place to check Linux support (not only for Steam games). The reports there usually also list, which proton version works well.
I found these grips very helpful https://makerworld.com/models/607677
Without them, my hands go numb after about an hour with the Steamdeck, these make it much more ergonomic for my large hands.
Manual firmware updates
As someone who's work laptop no longer has Wi-Fi since the automatic firmware update, I like my updates to be manual.
Wouldn't it still look weird because the two images are offset in a different axis than your eyes?
I don't use GNOME, but from what I've read (and from experience with other software that has extensions) they often break when GNOME updates.
If it is anything like other surgeries done at vets, the risky part with such an old animal is the sedation, not the surgery itself. And with animals you usually need to fully sedate them, as they don't understand that they need to stay still.