Oz Cheats (PlayStation 2)

Pause the game and press Up(2), Down(2), Left, Right, Left, Right, L1, R1 to refill the OZ
gauge. If you entered the code correctly, you will hear a sound. Note: This code
can only be enabled once, until the game is reset. After enabling this code once, save
the game and reset the PlayStation 2 to enable the code again. Repeat this process as
much as desired.

Pause the game and press Up(2), Down(2), Left, Right, Left, Right, R1, L1 to empty the OZ
gauge. If you entered the code correctly, you will hear a sound.