Enter the following at the password screen:
Password Effect S D S D R L D Abyss M R M D R M D Challenge Code Endurance - stamina restore no longer available D S R D M R M Cheat Code Health L R S R D R D Fatal Blow R S R L R S M Infinite Shuriken R L M R D S L Lose Shuriken L S D R R D R Mighty turtle D S L R D R M New Nexus outfit for Donatello L M R M D R D New Nexus outfit for Leonardo M L M R D R M New Nexus outfit for Michelangelo R M S R M D R New Nexus outfit for Raphael S L S D R D L Nightmare M R L M R M R Pizza Paradise S R M L D D R Playmates added to Bonus Materials D R S L L S R Poison D R M S R L R Self Recovery M L D S R D M Squeaking L D R M R L M Super Defense Power (Defense x2) S D L S R L L Super Offense Power (Attack x2) R D S R M R L Super-Tough S S S M R D D Toddling
Contributed By: Jay FNG Philbrook.
When doing time (waiting certain amount of days) you have to beat one level to unlock.(Does not have to be unbeaten level)
Unlockable How to Unlock Casey Jones Beat Open Brawl Tournament, or wait 5 days Karai Beat her in Foot Fight in less than 150 seconds, or wait 35 days Slashuur Beat Battle Nexus Tournament, or wait 45 days Splinter Beat Chapter 11-7, or wait 10 days
Contributed By: LeatherWings.
Unlock the original arcade game.
Find the hidden artifact on the rooftop of stage 9-1. Return home and have April appraise the artifact. It turns out to be the arcade game. Go to the title screen and the original arcade game will be located underneath options.
Contributed By: GunstarBlue.
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