Super Game Boy colors:
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.
Code
Color
Hold Start
Green
Hold Right + Start
Red
Hold Up + Start
Black
Hold Down + Start
White
Hold Left + Start
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.
Deleted saved data:
Highlight a saved data file, then hold A + B + Select to display an option to delete that file.
Time trial mode:
Successfully complete all the puzzles in Picross mode.
