We’ve covered [rossumur]’s hacks before, but the ESP_8-bit is a milestone in comprehensive ... the clever way [rossumur] gets full color NTSC composite video from a very busy microcontroller.
In a short AVGN video on his YouTube-Channel he showcases the game, explaining: "It doesn't just look like an 8-bit game, it is an 8-bit game, made for actual NES hardware. Talk about going back ...