Invincibility
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Up, Down, Left, Right(2), Left, Down, Up during game play. The message "Invulnerability On" will appear to confirm correct code entry. Repeat the code to disable its effect. This works in story, endurance, challenge, and multi-player modes. Alternately, hold L1 + L2 + R1 + R2 and press Right, Left, Down, Up.

Unlimited health and turbos
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Right, Left, Down, Up during game play. A message will confirm correct code entry.

Mega machine guns
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press X(2), Triangle during game play. A message will confirm correct code entry.

One hit kills
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press X(2), Up during game play. A message will confirm correct code entry.

God mode
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Up, X, Left, Circle during game play. A message will confirm correct code entry. You will have unlimited weapons, health, turbo, and energy.

Weapons for health
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Triangle, X, Square, Circle. During game play. A message will confirm correct code entry.

No opponents
Select challenge mode. Then, press L2 + R2, L2 + R2, L2 + R2 + Circle at the opponent selection screen.