Unlock Everything
At the main menu, press the following sequence of buttons: Up, Up, Down, Down, Left, Right, Left, Right, A, B, Start, Start.
Toggle Unlimited Supers
At the main menu, press the following sequence of buttons: Up, Up, Down, Down, A, X, A, X.
Toggle AI
At the main menu, press the following sequence of buttons: Up, Up, Down, Down, A, A, B, B, X, X, Y, Y.
One Hit Kills
At the main menu, press the following sequence of buttons: Up, Up, Down, Down, X, Y, Y, X.