Cheats
Input the codes on the title menu. (Unverified
)

Unlock All Challenges
... Y, Y, Y, X, X, X, Y, B, X, B, B, B, UP, DOWN, LEFT, RIGHT, L, R
Unlock Pizza One
... UP, UP, Y, Y, RIGHT, RIGHT, X, X, DOWN, DOWN, L, R, LEFT, LEFT, B, B, L, R
Unlock Pizza Two
... X, X, B, B, R, R, LEFT, LEFT, L, L
Unlock Pizza Three
... DOWN, DOWN, RIGHT, X, UP, Y, LEFT, B, L, L
Activate Speed Modifier
... L, L, R, R, L, R, L, R, B, X, Y, Y
Activate Slammageddon
... UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, Y, B, B, L, R