Password notes:
Use the following key when entering the passwords. 

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

Alternate Donatello costume:
Enter DDSMS as a password. Hold L1 or R1 when selecting Donatello at the 
character selection screen.

Alternate Leonardo costume:
Enter LDMSR as a password. Hold L1 or R1 when selecting Leonardo at the 
character selection screen. 

Alternate Michaelangelo costume:
Enter RRLMD as a password. Hold L1 or R1 when selecting Michaelangelo at the 
character selection screen. 

Alternate Raphael costume:
Enter DMDML as a password. Hold L1 or R1 when selecting Raphael at the 
character selection screen. 

Donatello has larger bandanna and double attack power:
Enter DRLDS as a password. 

Leonardo has larger bandanna and double attack power:
Enter LMLSD as a password. 

Michaelangelo has larger bandanna and double attack power:
Enter SMRDL as a password. 

Raphael has larger bandanna and double attack power:
Enter RDSRL as a password. 

Leonardo has smaller bandanna and double defense power:
Enter MRLLM as a password. 

Donatello has smaller bandanna and double defense power:
Enter SSSMR as a password. 

Michaelangelo has smaller bandanna and double defense power:
Enter MRRML as a password. 

Raphael has smaller bandanna and double defense power:
Enter LRMDS as a password. 

Donatello flashes red and has attack power-up: 
Enter DMDRS as a password. 

Leonardo flashes red and has attack power-up: 
Enter LSLSR as a password. 

Michaelangelo flashes red and has attack power-up:
Enter MMSLR as a password. 

Raphael flashes red and has attack power-up: 
Enter SLDSM or MSLLR as a password. 

Leonardo has unlimited normal shurikens: 
Enter SMRDM as a password.

Michaelangelo has unlimited fire shurikens and pizza always appears:
Enter DRDSS as a password. 

Michelangelo has improved weapon:
Enter MSRMM as a password.

Alternate hit sound effects:
Enter SMMRS as a password. 

Playmates toy database:
Enter LSDRM as a password. 

Challenge mode:
Successfully complete story mode as Raphael, Donatello, Michaelangelo, and 
Leonardo. 

Casey Jones:
Successfully complete level 1 as Raphael to unlock Casey Jones in versus mode. 
He does not have any Dojo missions in his story and does not get nearly as many 
intermission sequences as the turtles, but he is much stronger. Also, you cannot 
have another player play as your "assist" character when you are Casey Jones. He 
is the best all-around single player character, as he takes out most enemies with a 
single hit. 

Evil Turtlebot:
Successfully complete level 3 as Raphael, Donatello, Michaelangelo, or Leonardo 
to unlock the Evil Turtlebot 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. 

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. 

Alternate costumes:
Set the PlayStation2 system date to December 25 to see the turtles with a 
Christmas theme. Set the Xbox system date to October 31 to see the turtles with a 
Halloween theme. 

Team attack:
In two player mode, press X + Square to get into a stance. Have your teammate 
get next to you, face you, then press X + Square. You will perform a special team 
attack where you are thrown into enemies, hurting them.

Secret of Gembu:
Successfully complete the third Dojo Stage with all four turtles to learn the Secret 
of Gembu move. Use it to damage everyone on the screen. Note: This can only be 
done three times per level.

Alternate movement sound effects:
Press Up(2), Down(2), Left, Right, Left, Right, X, Circle at the title screen. The 
word ''Yeah'' will confirm correct code entry. Movement sounds in story mode will 
now be different. 

Master Splinter:
Enter MSRLS as a password to unlock Master Splinter in story mode. Note: You 
must first complete story mode game as all four turtles.

Unlockable: Holiday Outfits 
Change your system's date to either December 24th or 25th to see the turtles in 
Santa garb. Change it to October 31st to wear a pumpkin on your head.