Big Boots
Right Trigger, White, Y, A, Left Trigger, B, White, X

Big Heads
Left Trigger, Black, B, White, White, B, Black, Left Trigger

Infinite Ammo
A, Left Trigger, Left Trigger, Black, B, White, Left Trigger, Left Trigger

Instant Health
X, Right Trigger, A, Y, Black, B, A, Right Trigger

Skip to Any Level
Y, White, Black, Left Trigger, A, Right Trigger, Right Trigger, Y

God Mode
Y, A, B, X, B, A, A, Left Trigger