At the Konami logo press C, B, B, A, A, A, B, C. Then at the title screen press A, B, B, C, C, C, B, A. Start the game and a Level Select screen will appear.
Secret Room
If you throw in April and Casey`s Stage you will fight in secret rooms for the rest of the match.
Ultra Desperation Moves
Ultra Desperation moves can be performed when your life bar flashes.
Character Move Sequence
Michaelangeo & Donatello F, B, BD, D+C
Casey (in close) F, B, F+C
Raphael, Ray, Leo, & Sis B, F, FD, D, BD+C
April (in close) B, BD, D, FD, F+C