Nickelodeon Party Blast

To unlock the bungi mini-games, go to the game select screen. Highlight the bungi game and press UP, UP, DOWN, DOWN, LEFT, RIGHT.

To unlock the Clam Games, go to Blast. Then press UP, UP, DOWN, DOWN, LEFT, RIGHT.

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.