It has been 7 years since Valve revealed Proton, their compatibility layer to run Windows games on Linux systems. What an incredible time it has been. Hard to imagine Linux gaming without Proton now isn't it? Unless games use some funky video codecs or kernel-level anti-cheat, a lot of the time they do just work with the click of a button. We went from getting a handful of indie games and some AAA scraps from porting companies, to multiple tens of thousands of games — we're spoilt for choice on ...