Jimmy Neutron Boy Genius: Attack of the Twonkies (GC)

Jimmy Neutron Boy Genius: Attack of the Twonkies cheats:

Extra challenges
Finish retroland level.

Extra level
Finish the game.

Inventions
To tell if you can make a invention, there will be a box on the top right of the screen.

Jump Higher
Run around in circles and jump. You will jump higher and in a circle.

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