Final Fantasy Legend 2 Cheat Codes for Gameboy

SOUND TEST
On the Title screen, simultaneously press Select, B and Start.
Change the number by pressing Left/Right , and listen by
pressing the A Button.

MORE SOUND EFFECTS
On Title screen, select "Continue." Move the cursor to the save
file with a party over level 57, then press B to return to the
Title screen. Hold Select, B and Start to access the Sound Test
and press A to listen to the sounds. The number of sounds you
can listen to will equal the total levels in your party.