Also "Piet", an image-based one: https://www.dangermouse.net/esoteric/piet/samples.html https://www.dangermouse.net/esoteric/piet/samples.html (No idea if it'

Also "Piet", an image-based one: https://www.dangermouse.net/esoteric/piet/samples.html https://www.dangermouse.net/esoteric/piet/samples.html (No idea if it's related to these other three)