Use Controller 2 and enter UP, UP, DOWN, DOWN, L1, R1, L2, R2, L3, R3 at the main menu (the title screen) and get 30 Lives instead of three. You will need an Analog Controller for this code to be performed.
At the main menu, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, CIRCLE, SQUARE, SELECT. This will give you 99 credits with which to play a Two Player game.
Unlock bonuses by doing the following:
The Theatre movies are unlocked as follows:
Beat the game with an A ranking to get an alternate ending and unlock Level 6 in Training Mode. Beat the game with a B ranking to get Level 5 in Training Mode, plus the Theater and Database options.
Unlock more stages in Story Mode by doing the following:
Unlock more training stages by doing the following: