Teenage Mutant Ninja Turtles

Codes

At the title screen

Effect	Code
Up, Up, Down, Down, Left, Right, Left, Right, B, A	Unlock Very Hard Mode

Contributed By: SuperShredder.

In password menu enter this password to unlock each course

Contributed By: ooh44.

For the passwords below,
L = Leonardo
M = Michaelangelo
D = Donatello
R = Raphael
S = Splinter

Effect	Password
RRSLR	Alternate Donatello costume (hold L or R at character select scene)
RSLMD	Alternate Leonardo costume (hold L or R at character select scene)
RLSLS	Alternate Michaelangelo costume (hold L or R at character select scene)
SLSMM	Alternate Raphael costume (hold L or R at character select scene)
DDDML	Alternate sound effects
SRLMD	Casey Jones mode
DRLDS	Donatello gains attacking powe
MLMLS	Donatello has double defense
MLSDS	Donatello has double power-up effects
LMLSD	Leonardo gains attacking power
LDSMS	Leonardo has double defense
RSDMM	Leonardo has double power-up effects
SSLDM	Leonardo has unlimited fire shurikens and pizza always appears
MSRMM	Michaelangelo gains attacking power
RLDDR	Michaelangelo has double defense
RLMSM	Michaelangelo has double power-up effect
MSSLD	Michaelangelo has unlimited fire shurikens and pizza always appears
LSDRM	Playmates toy database
RDSRL	Raphael gains attacking power
SDRML	Raphael has double defense
RSSSR	Raphael has double power-up effects
LSLML	Splinter mode

Contributed By: bobby190.

This is a little "exception" glitch I found while fighting Casey Jones with Raphael.

Simply put, if you beat on Casey without knocking him down, he's never whip out his baseball bats after he gets down to half his health.

Contributed By: Joseph Collins.

Complete all levels on Normal mode to unlock Shredder's Tower secret level.

Contributed By: bobby190.