Cheats and Tips for The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies
We have 2 cheats and tips on GameCube. If you have any cheats or tips for The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies please send them in here. We also have cheats for this game on : PlayStation 2
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All Cheats and Tips - Latest First.
Complete Retroland level to unlock the Jetpack Race level
To tell if you can make a invention, there will be a box on the top right of the screen.
Questions & Answers
The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies Walkthroughs