Input the codes on the title menu. (Unverified)

Unlock all Challenges ... YELLOW, YELLOW, YELLOW, RED, RED, RED, YELLOW, BLUE, RED, BLUE, BLUE, BLUE, UP, DOWN, LEFT, RIGHT, L, R
Unlock Pizza One ... UP, UP, YELLOW, YELLOW, RIGHT, RIGHT, RED, RED, DOWN, DOWN, L, R, LEFT, LEFT, BLUE, BLUE, L, R
Unlock Pizza Two ... RED, RED, BLUE, BLUE, R, R, LEFT, LEFT, L, L
Unlock Pizza Three ... DOWN, DOWN, RIGHT, RED, UP, YELLOW, LEFT, BLUE, L, L
Activate Speed Modifier ... L, L, R, R, L, R, L, R, BLUE, RED, YELLOW, YELLOW
Activate Slammageddon ... UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, YELLOW, BLUE, BLUE, L, R