this was really cool (got them all yes!) but maybe you should put in some kind of congratulations page after you did it or maybe a timer, or being able to listen to the songs again even though you correctly answer the titles. just some suggestions, otherwise good idea and great choice in songs! 4/5
 "NES Music Quiz"){kind=icon}
 "Pixeland"){kind=icon}
 "UFO Invasion!"){kind=icon}