Various Cheat Modes
Use the following key when entering the passwords.

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

Casey Jones mode
Enter SRLMD as a password.

Splinter mode
Enter LSLML as a password.

Alternate Leonardo costume
Enter RSLMD as a password. Hold L or R when selecting Leonardo at the character selection screen.

Alternate Donatello costume
Enter RRSLR as a password. Hold L or R when selecting Donatello at the character selection screen.

Alternate Raphael costume
Enter SLSMM as a password. Hold L or R when selecting Raphael at the character selection screen.

Alternate Michaelangelo costume
Enter RLSLS as a password. Hold L or R when selecting Michaelangelo at the character selection screen.

Playmates toy database
Enter LSDRM as a password.

Alternate sound effects
Enter DDDML as a password.

Leonardo gains attacking power
Enter LMLSD as a password.

Raphael gains attacking power
Enter RDSRL as a password.

Donatello gains attacking power
Enter DRLDS as a password.

Michaelangelo gains attacking power
Enter MSRMM as a password.

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

Leonardo has unlimited fire shurikens and
pizza always appears
Enter SSLDM as a password.

Raphael has double power-up effects
Enter RSSSR as a password.

Michaelangelo has double power-up effects:
Enter RLMSM as a password.

Donatello has double power-up effects:
Enter MLSDS as a password.

Leonardo has double power-up effects
Enter RSDMM as a password.

Donatello has double defense
Enter MLMLS as a password.

Leonardo has double defense
Enter LDSMS as a password.

Michaelangelo has double defense
Enter RLDDR as a password.

Raphael has double defense
Enter SDRML as a password.

Bonus course 1
Enter LSMMS as a password.

Bonus course 2
Enter SSLDM as a password.

Bonus course 3
Enter MSSLD as a password.

Bonus course 4
Enter SRLMD as a password.

Bonus course 5
Enter LSDRM as a password.

Shredder's Tower level
Complete all levels in normal mode to unlock the Shredder's Tower secret level.

Very hard difficulty setting
Press Up(2), Down(2), Left, Right, Left, Right, B, A at the title screen.