Radical Dreamers ( SNES ) Easter Egg - Music Test and Zero Wing Big Reference

when you start the game you should see a screen with 8 slots and a message saying to clean one. clean the last and follow this instructions:Give in to sleep. Follow Kid. Go to the study and examine the desk.
Go to Riddel's room. Now, skip through the text until you see
"If only I had more options..." followed by two options; that's your
clue. Hit down *twice* and the cursor will dissapear: you will be
in a third, hidden option. Press A and you'll be in the Music Test
screen.Select the song 6, "Under Moonlight"; in the next screen,
hit down *twice* and the cursor will dissapear again into another
hidden option. Press A and you'll be returned to the track listing;
select "Under Moonlight" again and select the hidden option again;
keep doing that and after a short while, a secret bonus will be
activated. All your base are belong to us.