PlayStation 2 :: The Adventures Of Jimmy Neutron Boy Genius - Attack Of The Twonkies Cheat Codes
Inventions
To tell if you can make a invention, there will be a box on the top right of the screen.
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if you are up to the bit where your on the snowey planet and you cant grt in the big bit of unbrocken ice just throw the bone at it and the dog will smash into the ice