• Arcade mode

Hold I when the word "Irem" is displayed. | [Sent by Neto]
  • Play as Mr. Heli

Highlight "SONG C" at the sound test screen, then press Down + Select + I + II. Select the "MR HELI" song entry that appears and press Run. | [Sent by Neto]
  • Sound test

Press Select at the title screen. | [Sent by Neto]