Cheats
Unlimited health:
Hold L1 + L2 + R1 + R2 and press Up, Right, Down, Left, Up, Left,
Down, Right at the "Press Start" screen. A message will appear to
confirm correct code entry. Note: In the PAL version, enter the code
while game play is paused.

Unlimited combo meter:
Hold L1 + L2 + R1 + R2 and press Left, Right, Up, Down, Right, Left,
Down, Up at the "Press Start" screen. A message will appear to
confirm correct code entry. Note: In the PAL version, enter the code
while game play is paused.

All upgrades:
Hold L1 + L2 + R1 + R2 and press Up(2), Left(2), Right(2), Down(2)
at the "Press Start" screen. A message will appear to confirm
correct code entry. Note: In the PAL version, enter the code while
game play is paused.

All bonuses:
Hold L1 + L2 + R1 + R2 and press Down, Up, Down, Up, Left, Right,
Left, Right at the "Press Start" screen. A message will appear to
confirm correct code entry. Note: In the PAL version, enter the code
while game play is paused.

Dark Knight difficulty setting:
Hold L1 + L2 + R1 + R2 and press Down, Left, Right, Up(2), Right,
Left, Down at the "Press Start" screen. A message will appear to
confirm correct code entry. Note: In the PAL version, enter the code
while game play is paused