Welcome to the "Y" Section of the SMS A-Z, with it's impressive one cheat! If I'm missed anything or am mistaken, please let me know.
Ys: The Vanished Omens
Sound Test:
At the end of game credits, when "Presented by SEGA" is displayed, hold DOWN + RIGHT and press 1.
Sound Test:
At the end of game credits, when "Presented by SEGA" is displayed, hold DOWN + RIGHT and press 1.