Success. Switched to Armbian Plasma (as I'm a fan of the KDE Plasma desktop environment).
Used NicoD's Armbian-gaming script to install box64. ( https://github.com/NicoD-SBC/armbian-gaming )
Downloaded the Linux version from this website and ran
box64 factorio from the x64 directory.


Armbian ...

Thanks. I'll look and see what forcing the setting looks like with an understanding that it could be less than ideal.

I keep getting the following error running Ubuntu 23.04 LTS and Factorio on Box64:

1.003 Error Util.cpp:86: Failed to create OpenGL context: Could not create GL context: GLXBadFBConfig

glxinfo reports 'direct rendering: yes'

glmark2 shows the following:

OpenGL Information
GL_VENDOR: Broadcom
GL ...