someone made a demo for the Commodore PET of all things - eviltoast
BACK TO THE PET (Commodore PET 4016 hardware demo made in 2022)
youtu.be
This is a playing of shiru8bit's excellent "Back to the PET" demo compo on physical hardware with amplified audio out. This is amazing software for a 1MHz ...

this is a computer that’s almost entirely without graphical capabilities, so here’s a demo featuring animations and sound someone did last year