Specials at maximum power:
Enter the options screen, then select "Secret Options". Hold Select and press Square, X, R1, Circle,
Up, Square, Down, Up, Down, X, Square. -From: Dan

Motion blur mode:
Enter the options screen, then select "Secret Options". Hold Select and press Triangle, Circle,
Right, Triangle, Up, Right, Circle, Up, Square. -From: Dan

Increase opponents AI:
Enter the options screen, then select "Secret Options". Hold Select and press Circle, Up, Triangle,
Circle, Left, Triangle, Square(2), X, Down. -From: Dan