Mario's Picross Cheats (GameBoy)

Note: This code requires that this game is used with a Super Game Boy cartridge in a Super
NES console. Enter one of the following codes during game play to change the background to
match the corresponding Game Boy case colors.

  Hold Start for Green 
  Hold Right + Start for Red 
  Hold Up + Start for Black 
  Hold Down + Start for White 
  Hold Left + Start for Yellow 

  To change to the transparent Game Boy, sweep the D-pad continually in a Full-Circle
until a tone is heard. Hold the D-pad in that direction and press Start.

Highlight a saved data file, then hold A + B + Select to display an option to delete that
file.