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Gamecube - Jimmy Neutron: Boy Genius cheats

Get all key items: 
Hit R, R, L, A, B, B, A, R, L, R, Start, Down, A, Down during game play. 

Level - Password  
3 - KVZQG3Q50LZG  

Level 1: Goldfish:
In the 1st area in Stage 1, don't need to beat the space game. 
Only have to do, to get the goldfish and rocket ship.
Go to front of Goddard, press square after jump on the platform, 
to get the goldfish.