Mario's Picross
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
Last Updated: 7/5/99.
Change background on Super Game Boy
Change to the transparent Game Boy
Change background on Super Game Boy
Enter one of the following codes during game play to change the
background to match the corresponding Game Boy case colors. You
must be using a Super Game Boy
Hold Start Green
Hold Right + Start Red
Hold Up + Start Black
Hold Down + Start White
Hold Left + Start Yellow
Change to the transparent Game Boy
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.
