[FirmwareBurner]

I use the DODI patched variant of Red Alert 2 which works out of the box on Windows 11 as it ships with all the necessary patched DLLs to work on modern Windows.

[minimaul]

Ah, I’m installing from an image of the CD I had as a child ;) probably explains the differences!

[thombat]

Could be you'll need a differently patched up mutant breed for Linux?

[FirmwareBurner]

Maybe. But I ran out of patience after about an hour. If gaming on Linux is advertised to "just works TM" then it really must just work without hours of tinkering.