Playstation 2 : The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies Cheats
Below are the cheats, hints, and tips that Game Gas knows about for The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies. On the right are
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Unlock Inventions
To tell if you can make a invention, there will be a box on the top right of the screen.
Unlock Bonus Jetpack race level
Successfully complete the game.
Unlock Bonus challenges
Successfully complete the Retroland level.
Jump higher
Run around in circles and jump. You will jump higher and in a circle.