Cheats
Super Offense Power: S D L S R L L
Super Defense Power: L D R M R L M
Super-Tough: R D S R M R L
Nightmare: S L S D R D L
Toddling: S S S M R D D
Pizza Paradise: M R L M R M R
Squeaking: M L D S R D M
Self Recovery: D R M S R L R
Lose Shuriken: R L M R D S L
Fatal Blow: L R S R D R D
Abyss: S D S D R L D
Poison: D R S L L S R

Password notes
Use the following key when entering the passwords. Note: The codes have no effect in tournament mode.

L: Leonardo
M: Michaelangelo
D: Donatello
R: Raphael
S: Shredder

Challenge Mode Endurance
Enter MRMDRMD as a password. Stamina restore will no longer be available.

Play as Splinter
Successfully complete level 11-7. Alternately, Splinter is unlocked ten days after a saved game file is created; you can change the system date to do this. Splinter replaces Donatello.

Play as Casey Jones
Win the Open Brawl Tournament. Alternately, Casey Jones is unlocked five days after a saved game file is created; you can change the system date to do this. Casey Jones replaces Raphael.

Play as Slashuur
Win the Battle Nexus Tournament. Alternately, Slashuur is unlocked forty five days after a saved game file is created; you can change the system date to do this. Slashuur replaces Leonardo.

Play as Karai
Defeat Karai in the Foot Fight Tournament in less than 150 seconds. Alternately, Karai is unlocked thirty five days after a saved game file is created; you can change the system date to do this. Karai replaces Michaelangelo.