Twinbee: Rainbow Bell Adventure

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.