Unlock Casey Jones
Go to options, then go to password and type in SRLMD. In story mode pick him and when you start an area press Y, he'll say ''Casey Jones is on the job.''
Shredder
Defeat Shredder as Raphael, Donatello, Michaelangelo, or Leonardo to unlock Shredder in versus mode.
Splinter
Successfully complete Dojo level 3 as Leonardo to unlock Splinter in versus mode.
Yoshi Hamato
Successfully complete Challenge Mode as Raphael, Donatello, Michaelangelo, or Leonardo to unlock Yoshi Hamato in versus mode.
Hun
Successfully complete level 6 as Michaelangelo to unlock Hun in versus mode.
Oroku Saki
Defeat Saki as Raphael, Donatello, Michaelangelo, or Leonardo to unlock Oroku Saki in versus mode.
Password List
Enter these codes into the Password screen in the Options menu:
Alternate Costume (Raphael): SLSMM
Alternate Costume (Leonardo): RSLMD
Alternate Costume (Michaelangelo): RLSLS
Alternate Costume (Donatello): RRSLR
Attack Power Up (Raphael): RDSRL
Attack Power Up (Leonardo): LMLSD
Attack Power Up (Donatello): DRLDS
Defense Doubles (Leonardo): LDSMS
Defense Doubles (Donatello): MLMLS
Defense Doubles (Michaelangelo): MRRML
Defense Doubles (Raphael): SDRML
Defense Power Up (Michaelangelo): MSRMM
Change Sound Effects: DDDML
Power Up Effects Double (Raphael): LSMMS/RSSSR
Power Up Effects Double (Donatello): MLSDS
Power Up Effects Double (Michaelangelo): RLMSM
Power Up Effects Double (Leonardo): RSDMM
Unlimited Fire Shurikens/All Food is Pizza (Michaelangelo): MSSLD
Unlimited Shurikens (Leonardo): SSLDM <ýbr>Unlock Playmates Toy Data Base: LSDRM
Unlock Splinter for Story Mode: LSLML
Team Attack
In 2-player mode, press X and SQUARE at the same time to get into a stance. Then have your teammate come next to you, face you, and then press X and SQUARE at the same time. You will perform a special team attack where you are thrown into enemies, hurting them.
Unlock Challenge Mode
To unlock Challenge Mode, defeat Story Mode with all four turtles.
Unleash the Secret of Gembu
Beat the third Dojo Stage with all four turtles to learn the Secret of Gembu maneuever. Use the move to damage everyone on the screen. You'll have three opportunities per level to use it.
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