Stage skip
 
 Start a game and enter the item selection screen. Then, press
 Triangle, Square, Triangle, Square.
 
 Level skip
 
 Start a game and enter the item selection screen. Then, press L1, L2,
 R1, L1(3), R1(2).
 
 View ending sequence
 
 At the title screen, press R1, L1, R1, L1, R1, L1.