Sony Playstation Games Solutions - One of
the Largest Games Source for PSone Cheats, PSX Codes, Hints, Tips,
Walkthroughs, FAQs and Games Strategy Guides.
To enable the following cheat functions don't press any buttons during
game play for over two seconds, then complete one of button combinations
below:-
Function - Button Combination
Full Energy - Up, Up, Down, Down, Right, Left, Right, Left, L1, R1
All Items - Up, Down, Left, Right, Triangle, X, Square
Open Exit Doors - Up, Down, Up, Down, L2, L2, R2, R2