I picked up Lara Croft and The Temple of Osiris when Steam announced it was free. Then searched https://www.protondb.com/ to see what the rating was. Most of them were gold, so I gave it a try.
It ran great with Proton 4.11-13 and I was able to play co-op with keyboard/mouse and my Amazon Xbox Basics controller. Worked out-of-the-box