Unlock Bungi Mini-Games 
     To unlock the bungi mini-games, go to the game select screen.
Highlight the bungi game and press UP, UP, DOWN, DOWN, LEFT, RIGHT.
 
Unlock Clam Games 
     To unlock the Clam Games, go to Blast. Then press UP, UP, DOWN,
DOWN, LEFT, RIGHT.
 
Unlock New Characters 
     While in Blast, press DOWN, DOWN, RIGHT, LEFT, RIGHT, UP, LEFT,
DOWN, RIGHT. The next time you go to the character select screen,
four new characters will be available.