Cheat mode:
Select the "Bonus Content" option at the
main menu. Enter one of the following codes to activate the corresponding
cheat function. A sound will confirm correct code entry.


Shredder character and Cyber Shredder alternate
costume:
Press Up, Down, Right, Up,
Down, Right, Left, Up, Right,
Down.


Four turtle alternate costumes:
Press Up, Left, Down, Right,
Up, Down, Left, Up, Left(2).

Characters:
Complete the indicated tasks to unlock the corresponding
character as playable.

Foot Solder: Complete arcade mode and buy the statue of him.


Shredder: Complete arcade mode and buy the statue of him.


Karai: Complete arcade mode and buy the statue of her.


Nighwatcher: Complete arcade mode and buy the statue of him.


Utrominator: Complete arcade mode and buy the statue of him.

Stages:
Complete the indicated task to unlock the corresponding
stage.

Enemy Base: Complete missions 1 to 10 in Mission mode.


Garbage Dump stage: Complete 125 Versus mode matches.


Space Lab stage: Complete all 51 missions in Mission mode.


Warehouse stage: Complete 95 Versus mode matches.


Western Town: Complete missions 1 to 30 in Mission mode.

Alternate costumes:
Complete the indicated tasks to unlock the corresponding
alternate costume.

"Teenage Mutant Ninja Turtles 2003" April O' Neil: Complete
Arcade mode without using a continue or Survival mode as April.


"Back To The Sewer" Casey Jones: Complete Arcade without
using a continue or Survival mode with Casey Jones.


Cyber Foot Ninja: Complete Survival mode as Foot Ninja.


Gold Karai-Bot: Complete Survival mode with Karai under the Normal
difficulty or higher.


Splinter: Complete Arcade without using a continue or Survival
mode as Splinter.

Artwork:
Successfully complete the indicated task to unlock
the corresponding artwork.

4Kids Illustration: Successfully complete Arcade mode with every
character.


Cartoon Concept: Successfully complete every figure in the trophy
room.


Comic Book Covers: Get 777 Shells.


Early Concept: Successfully complete Survival mode.


TMNT 2007 Artwork: Successfully complete Survival mode with Nightwatcher.


Unproduced TMNT 4 Concept: Successfully complete 40 missions in
Mission mode.


Video Game Concept: Get 555 Shells.

Trophies:
Successfully complete the indicated task to unlock
the corresponding trophy.

Large trophy creation: Successfully complete 150 Versus mode matches.


Medium trophy creation: Successfully complete 50 Versus mode matches.

Trailers:
Successfully complete the indicated task to unlock
the corresponding trailer.


Cartoon: Get 333 Shells.


TMNT: Smash up Trailer: Get 111 Shells.


WB: Successfully complete Survival mode with every character.