Emulator: View title in Japanese:
Note: This trick requires the ZSnes Emulator and the game's ROM. Press 5 at the title screen. This should remove the English title and show the Japanese title. Press 6 to return to the original title.
Hard mode:
Highlight "Continue" or "New Game" at the title screen, then press A + B + X + Y. A voice will say "Yatta!" to confirm correct code entry.