Twinbee: Rainbow Bell Adventure (SNES)

Cheat mode:
Press Start to pause game play then press Up(2), Down(2), L, R, L, R, B, A to restore your health and gain all three power-ups. A sound will confirm correct code entry.

Easy bells:
During the first levels of the game, fly up to 9999 in altitude, but remain on the left edge of the level. There should be a line of regenerating bells of multiple colors there.