Preface For years, I’ve wanted to build a Steam Box: a generic PC, repurposed into a Steam-powered gaming console. Prior to the advent of the Steam Deck, there had been two long-standing issues that kept me from making this happen. The first blocker was Linux game compatibility. Plenty of ink has been spilled already on Proton and how it has changed the Linux gaming landscape; I don’t think I need to add to that.