Great quiz! I love the CROWNED Easter egg. Not only did it make the quiz easier, but it’s also really clever. Triple Deluxe and Planet Robobot did the same thing, but I never saw anyone else notice. I figured it out for myself, thinking it might be similar, and it was! FLOWER and PROGRA respectively. And yes prograM got cut off because there aren’t enough worlds.
When you are in the final boss sequence there is a "Lvl 7 Mind in the P-R-O-G-R-A-M" banner that flashes across before Star Dream, that's supposed to give you the M.