Some old P90s that I worked on had an Award or American Megatrends BIOS, which had a graphical (640x480x16) environment and supported a PS/2 mouse. I like UEFI, especially for the ability to boot external software directly (such as bios updaters or OS installers), but the bells and whistles could be done in BIOS, at least to a certain extent.
I pity you FPS addicts who will never know the pleasure of weaving your on-screen character through an intricate ballet of running, jumping, dancing, and attacking ...you know, like in Quake 3.