Proton helps you run Windows games on Linux. A few years ago, the problem with Mac games on Steam was running 32-bit Mac games on 64-bit only macOS builds. Now,

Proton helps you run Windows games on Linux. A few years ago, the problem with Mac games on Steam was running 32-bit Mac games on 64-bit only macOS builds. Now, it's running x86 Mac games on arm64 Macs. Often, we're talking about those same 32-bit games that never got updated to 64-bits x86, let alone arm.