Jimmy Neutron Boy Genius: Attack of the Twonkies cheats for Gamecube
[Feb 23rd 2006] [related games & forum threads]
Extra challenges
Finish retroland level.
[Feb 23rd 2006]
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Extra level
Finish the game.
[Feb 23rd 2006]
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Inventions
To tell if you can make a invention, there will be a box on the top right of the screen.
[Feb 23rd 2006]
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