Horizon 3 Linux: Forza

Because Microsoft released those titles as standard . The Steam version of FH4/FH5 doesn't use UWP; it uses the traditional exe architecture. Valve and CodeWeavers optimized Proton specifically for those executables.

Most Windows games are classic Win32 applications. They talk directly to the hardware, and Wine/Proton translates those system calls to Linux system calls very efficiently. UWP, however, was designed for Windows 8/10's sandboxed ecosystem. UWP apps are packaged ( .appx , .eappx ), signed by Microsoft, and rely on a complex runtime environment. forza horizon 3 linux

However, for the dedicated Linux user, there is a persistent question: Can I replace Windows with Linux but still drive a Lamborghini Centenario through Surfers Paradise? Because Microsoft released those titles as standard

The answer is complex, historical, and surprisingly hopeful. Unlike native Steam titles or even Windows-only games on Steam, Forza Horizon 3 is a title. It was sold exclusively via the Microsoft Store. This presents a unique challenge for Wine, Proton, and Lutris. Most Windows games are classic Win32 applications