Printer friendly version

• 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.

• Bookmark or Share Jimmy Neutron Boy Genius: Attack of the Twonkies

Bookmark or Share Jimmy Neutron Boy Genius: Attack of the Twonkies on GameCube