All Secret Items
     At  the  "Buy"  word,  press Left, Up, Down, Right, Left, Select,
Right, Up, Left, Down, Right, Select, Circle.

Level Select
     At  the "Load" screen, highlight any of the scenarios, except the
first one, and press Right, Down, Up, Left, R1, Square, Start, Select,
Triangle, Circle.

Secret Items
     At the "Buy" word, press Up, Left, Right, Down, Right, Right, Circle.

Test Mode
     At  the "Load" screen, highlight any of the scenarios, except the
first one, and press Up, Down, Up, Down, Left, Right, Select, Circle.