Nickelodeon Party Blast

Unlock Cosmo, Wanda, Patrick and Carl Wheezer hidden characters:
Go into Blast, then push Down, Down, Right, Left, Right, Up, Left, Down,
Right buttons. Enter to the character selection screen to get access
the unlocked characters. -

Unlock the Bungi games:
Highlight the Bungi game at the bottom of the game selection menu,
then push Up, Up, Down, Down, Left, Right to unlick Bungi games.

Unlock the Clam games:
Go to Blast, after press Up, Up, Down, Down, Left, Right to get access
to the levels for the clam games.

Pizza:
Go up to the fridge to get the pizza, in the Rugrats Food Fight stages.