Hard Mode:
At the title screen, press Up, Up, Down, Down, Left, Right, Left, Right, B, A.
Casey Jones Mode:
Enter Splinter, Raphael, Leonardo, Michaelangelo, Donatello as a password.
Splinter Mode:
Enter Leonardo, Splinter, Leonardo, Michaelangelo, Leonardo as a password.
Playmates toy database:
Enter Leonardo, Splinter, Donatello, Raphael, Michaelangelo as a password.
Alternate sound effects:
Enter Donatello, Donatello, Donatello, Michaelangelo, Leonardo as a password.
Unlock Bonus course 1:
Enter Leonardo, Splinter, Michaelangelo, Michaelangelo, Splinter as a password.
Unlock Bonus course 2:
Enter Splinter, Splinter, Leonardo, Donatello, Michaelangelo as a password.
Unlock Bonus course 3:
Enter Michaelangelo, Splinter, Splinter, Leonardo, Donatello as a password.
Unlock Bonus course 4:
Enter Splinter, Raphael, Leonardo, Michaelangelo, Donatello as a password.
Unlock Bonus course 5:
Enter Leonardo, Splinter, Donatello, Raphael, Michaelangelo as a password.
Alternate Leonardo costume:
Enter Raphael, Splinter, Leonardo, Michaelangelo, Donatello as a password. Hold L or R when selecting character.
Alternate Donatello costume:
Enter Raphael, Raphael, Splinter, Leonardo, R as a password. Hold L or R when selecting character.
Alternate Raphael costume:
Enter Splinter, Leonardo, Splinter, Michaelangelo, Michaelangelo as a password. Hold L or R when selecting character.
Alternate Michaelangelo costume:
Enter Raphael, Leonardo, Splinter, Leonardo, Splinter as a password. Hold L or R when selecting character.
Leonardo gains attacking power:
Enter Leonardo, Michaelangelo, Leonardo, Splinter, Donatello as a password.
Raphael gains attacking power:
Enter Raphael, Donatello, Splinter, Raphael, Leonardo as a password.
Donatello gains attacking power:
Enter Donatello, Raphael, Leonardo, Donatello, Splinter as a password.
Michaelangelo gains attacking power:
Enter Michaelangelo, Splinter, Raphael, Michaelangelo, Michaelangelo as a password.
Raphael has double power-up effects:
Enter Raphael, Splinter, Splinter, Splinter, Raphael as a password.
Michaelangelo has double power-up effects:
Enter Raphael, Leonardo, Michaelangelo, Splinter, Michaelangelo as a password.
Donatello has double power-up effects:
Enter Michaelangelo, Leonardo, Splinter, Donatello, Splinter as a password.
Leonardo has double power-up effects:
Enter Raphael, Splinter, Donatello, Michaelangelo, Michaelangelo as a password.
Donatello has double defense:
Enter Michaelangelo, Leonardo, Michaelangelo, Leonardo, Splinter as a password.
Leonardo has double defense:
Enter Leonardo, Donatello, Splinter, Michaelangelo, Splinter as a password.
Michaelangelo has double defense:
Enter Raphael, Leonardo, Donatello, Donatello, Raphael as a password.
Raphael has double defense:
Enter Splinter, Donatello, Raphael, Michaelangelo, Leonardo as a password.
Michaelangelo has unlimited fire shurikens:
Enter Michaelangelo, Splinter, Splinter, Leonardo, Donatello as a password.
Leonardo has unlimited fire shurikens:
Enter Splinter, Splinter, Leonardo, Donatello, Michaelangelo as a password.
