Valve funds ARM compatibility project since 2016 to run Windows games on ultraportable devices, expanding PC gaming beyond x86 chips with lower-power ARM-based handhelds and laptops.

Steam Deck lead reveals Valve is funding ARM compatibility of Windows games “to expand PC gaming” and release “ultraportables” in the future

For over a decade, Steam company Valve’s biggest goal has been bringing Windows games to Linux. While that goal is almost complete with the massive success of Proton compatibility on Steam Deck and the upcoming Steam Machine, the company has also been secretly pushing to bring Windows games to ARM devices. In an interview with The Verge, Steam Deck and SteamOS lead Pierre-Loup Griffais revealed that Valve has been secretly funding Fex, an open-source project to bring Windows games to ARM, for al...