Nintendo Puzzle Compilation cheats and cheat codes for Gamecube

Panel De Pon: Unlock super hard mode:
Select single player vs. Com mode. Go to the level selection screen, 
then hold Z and hit L, L, A, B. 

Panel De Pon: Unlock very hard mode:
Select single player vs. Com mode. Go to the level selection screen,
then hold Z and hiz R, L, A, B. 

Panel De Pon: Level select:
Hold Z and hit B, A, L, A, B, A, L, A at the Panel De Pon title screen.

VS COM Hard and Super Hard Enemies 
You can increase the difficulty of your oppenents by holding 
down L and R, then pressing A for Hard, or B for Super Hard. 
To return to normal mode use the same button combinations.

Unlock all VS mode characters:
Choose the versus mode, go to the character slection screen 
then hold Z and hit L + R on controllers 1 and 2 

Dr. Mario: Unlock Metal Mario: 
Finish mode as Wario in normal or harder mode without losing any matches. 

Dr. Mario: Unlock Vampire Wario: 
Finish mode as Dr. Mario in normal or harder mode without losing any matches.