Teenage Mutant Ninja Turtles
Alternate movement sound effects
At the title screen, press Up(2), Down(2), Left, Right, Left, Right, B, A. If you entered the code correctly, the word ”Yeah” will appear. Movement sounds in story mode will now be different.
Alternate Donatello costume
Enter Splinter, Raphael, Splinter, Michaelangelo, Michaelangelo as a password. Hold L or R when selecting Donatello at the character selection screen.
Donatello has larger bandanna and double attack power
Enter Donatello, Raphael, Leonardo, Donatello, Splinter as a password.
Donatello has smaller bandanna and double defense power
Enter Splinter, Splinter, Splinter, Michaelangelo, Raphael as a password.
Donatello flashes red and has attack power-up
Enter Donatello, Michaelangelo, Donatello, Raphael, Splinter as a password.
Alternate Leonardo costume
Enter Raphael, Michaelangelo, Michaelangelo, Leonardo, Leonardo as a password. Hold L or R when selecting Leonardo at the character selection screen.
Leonardo has larger bandanna and double attack power
Enter Leonardo, Michaelangelo, Leonardo, Splinter, Donatello as a password.
Leonardo has smaller bandanna and double defense power
Enter Michaelangelo, Raphael, Leonardo, Leonardo, Michaelangelo as a password.
Leonardo flashes red and has attack power-up
Enter Leonardo, Splinter, Leonardo, Splinter, Raphael as a password.
Leonardo has infinite normal shurikens
Enter Splinter, Michaelangelo, Raphael, Donatello, Michaelangelo as a password.
Alternate Michaelangelo costume
Enter Raphael, Raphael, Leonardo, Michaelangelo, Donatello as a password. Hold L or R when selecting Michaelangelo at the character selection screen.
Michaelangelo has larger bandanna and double attack power
Enter Splinter, Michaelangelo, Raphael, Donatello, Leonardo as a password.
Michaelangelo has smaller bandanna and double defense power
Enter Michaelangelo, Raphael, Raphael, Michaelangelo, Leonardo as a password.
Michaelangelo flashes red and has attack power-up
Enter Michaelangelo, Michaelangelo, Splinter, Leonardo, Raphael as a password.
Michaelangelo has infinite fire shurikens and pizza always appears
Enter Donatello, Raphael, Donatello, Splinter, Splinter as a password.
Michelangelo has improved weapon
Enter Michaelangelo, Splinter, Raphael, Michaelangelo, Michaelangelo as a password.
Alternate Raphael costume
Enter Leonardo, Michaelangelo, Splinter, Donatello, Donatello as a password. Hold L or R when selecting Raphael at the character selection screen.
Raphael has larger bandanna and double attack power
Enter Raphael, Donatello, Splinter, Raphael, Leonardo as a password.
Raphael has smaller bandanna and double defense power
Enter Leonardo, Raphael, Michaelangelo, Donatello, Splinter as a password.
Raphael flashes red and has attack power-up
Enter Splinter, Leonardo, Donatello, Splinter, Michaelangelo or Michaelangelo, Splinter, Leonardo, Leonardo, Raphael as a password.
Play as Master Splinter
Enter Michaelangelo, Splinter, Raphael, Leonardo, Splinter or Splinter, Leonardo, Donatello, Splinter, Michaelangelo as a password to unlock Master Splinter in story mode. Note: You must first complete story mode game as all four turtles.
Alternate hit sound effects
Enter Splinter, Michaelangelo, Michaelangelo, Raphael, Splinter as a password.
Playmates toy database
Enter Leonardo, Splinter, Donatello, Raphael, Michaelangelo as a password.
Challenge mode
Successfully complete story mode with Raphael, Donatello, Michaelangelo, and Leonardo to unlock challenge mode.
Play as Casey Jones
Successfully complete level 1 with Raphael to unlock Casey Jones in versus mode.
Play as Evil Turtlebot
Successfully complete level 3 with Raphael, Donatello, Michaelangelo, or Leonardo to unlock the Evil Turtlebot in versus mode.
Play as Hun
Successfully complete level 6 with Michaelangelo to unlock Hun in versus mode.
Play as Oroku Saki
Defeat Saki with Raphael, Donatello, Michaelangelo, or Leonardo to unlock Oroku Saki in versus mode.
Play as Shredder
Defeat Shredder with Raphael, Donatello, Michaelangelo, or Leonardo to unlock Shredder in versus mode.
Play as Splinter
Successfully complete Dojo level 3 with Leonardo to unlock Splinter in versus mode.
Play as Yoshi Hamato
Successfully complete challenge mode with Raphael, Donatello, Michaelangelo, or Leonardo to unlock Yoshi Hamato in versus mode.
Alternate costumes
Set the GameCube system date to December 25 to see the turtles with a Christmas theme. Set the GameCube system date to October 31 to see the turtles with a Halloween theme.
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.
Wrong voice
When you select Michaelangelo and pick up a recovery item such as pizza, etc., he will have Leonardo’s voice instead of his original one.
The image featured at the top of this post is ©Square Enix.