As of Proton’s release on August 21, 2018, only 27 games have been certified as “compatible” by Valve. Things have obviously progressed and today it is impossible to know the list of certified games at the top. To learn more about it, go to the website ProtonDB that we must turn
As impressive as they are, Proton’s progress isn’t everything, and certain games or certain technologies still elude SteamOS, and as a result Steam Deck. Given the use of an AMD chip, it is not surprising that the latter cannot take advantage of supersampling with NVIDIA sauce, DLSS, and less surprising is the exclusion of image generation, DLSS 3.
This would make us forget that Proton is not only intended to support SteamOS and Steam Deck. This tool is designed to work on all Linuxes and therefore on a wider sample of computers. The success of Steam Deck is pushing more and more tabletop gamers to try the Linux adventure, and the latest Proton Experimental update should highlight this phenomenon.