Freeze CPU players
Pause the game and press Left(2), Up, Down, R2. Enter the code again to return to normal.

Extra damage
Pause the game and press Up(2), L1, L2, Down. Enter the code again to return to normal.

Enable combos
Pause the game and press R1, L2, R2, L2, Right. Enter the code again to return to normal.

Take only minor damage
Pause the game and press Down, Up, L2, Right, Left. Enter the code again to return to normal.

Take no damage
Pause the game and press R2, L2, R2, L2, R1. Enter the code again to return to normal.

Automatic super-pins
Pause the game and press Down(4), L1. Enter the code again to return to normal.

Random character
At the character selection screen, hold Up and press Start.