All Working Tak: The Great Juju Challenge Cheats - GameCube

Bonuses
Go under Juju potions. Select "Universal Card". Then, put in the following numbers for bugs, crystals, and fruits:

Particle effects - 24, 40, 11
More particle effects - 48, 57, 57
Bonus music - 6, 18, 3
More bonus music - 67, 8, 20
Bonus sound effects - 20, 17, 5
More bonus sound effects - 50, 84, 92
Juju concept art - 33, 22, 28
Vehicle concept art - 11, 55, 44
World concept art - 83, 49, 34

Control loading screen
When the game is loading, press [C-stick Up] to make Tak's head big or [C-stick Down] to make it small.

While game is loading, press [A] to jump and [Y] to make sparking puffs to appear from Tak's rear.

Hidden Extras
Use the blessing shrine and enter the following codes to unlock some hidden artwork and songs:

44 Fruits, 55 Crystals, 11 Bugs - Unlocks a Vehicle Art slideshow in the extras menu. 3 Fruits, 18 Crystals, 6 Bugs - Unlocks an extra tune in the extras menu. 34 Fruits, 49 Crystals, 83 Bugs - Unlocks World Art slideshow in the extras menu.