Input the codes on the title menu. (Unverified)

Unlock all Challenges ... TRIANGLE, TRIANGLE, CIRCLE, CIRCLE, CIRCLE, TRIANGLE, SQUARE, CIRCLE, SQUARE, SQUARE, SQUARE, UP, DOWN, LEFT, RIGHT, L1, R1
Unlock Pizza One ... UP, UP, TRIANGLE, TRIANGLE, RIGHT, RIGHT, CIRCLE, CIRCLE, DOWN, DOWN, L1, R1, LEFT, LEFT, SQUARE, SQUARE, L1, R1
Unlock Pizza Two ... CIRCLE, CIRCLE, SQUARE, SQUARE, RIGHT, RIGHT, LEFT, LEFT, L1, L1
Unlock Pizza Three ... DOWN, DOWN, RIGHT, CIRCLE, UP, TRIANGLE, LEFT, SQUARE, L1, L1
Super Speed Modifier ... L1, L1, R1, R1, L1, R1, L1, R1, SQUARE, CIRCLE, TRIANGLE, TRIANGLE
Slammageddon ... UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, TRIANGLE, SQUARE, SQUARE, L1, R1