Cheat Codes (PlayStation 2)
- Cyber Shredder: UP, DOWN, RIGHT, UP, DOWN, RIGHT, LEFT, UP, RIGHT, DOWN
- Unlocks the 4 Ninja Turtles' Alternate Costumes: Up, Left, Down, Right, Up, Down, Left, Up, Left, Left
- Unlocking April's Alternative Outfit: Complete Arcade Mode with April under Normal difficulty or higher
- Unlocking Casey's Alternative Outfit: Complete Arcade Mode with Casey under Normal difficulty or higher
- Unlocking Foot Ninja's Alternative Outfit: Complete Survival Mode with Foot Ninja under Normal difficulty or higher
- Unlocking Karai's Alternative Outfit: Complete Survival Mode with Karai under Normal difficulty or higher
- Unlocking Shredder's Alternative Outfit: While in the Bonus Content menu, enter the code: UP, DOWN, RIGHT, UP, DOWN, RIGHT, LEFT, UP, RIGHT, DOWN
- Unlocking Splinter's Alternative Outfit: Complete Arcade Mode with Splinter under Normal difficulty or higher
Cheat Codes (Wii)
4 Turtle alternate costumes: U L D R U D L U L L
Unlock Ninja Rabbid and the Underground Stage: Up, Up, Down, Down, Down, Right, Up, Left, Right, Left
Unlock Shredder and his alternate costume (Cyber Shredder): Up, Down, Right, Up, Down, Right, Left, Up, Right, Down
Unlock Arts And Media:
- 4Kids Illustration Art: Complete Arcade Mode with everyone
- Cartoon Concept Art: Complete all figures in the trophy room
- Cartoon Trailer: Earn 333 Shells
- Comic Book Covers: Earn 777 Shells
- Early Concept Art: Beat Survival Mode once with any character
- TMNT 2007 Artwork: Beat Survival Mode with Nightwatcher
- TMNT: Smash up Trailer: Earn 111
- Shells: Unproduced TMNT 4 Concept Art: Beat 40 Missions in Mission Mode
- Video Game Concept Art: Earn 555 Shells
- WB Trailer: Beat Survival Mode with all characters
Unlock Stages:
- Enemy Base: Complete 25 VS Mode matches or beat 10 mission in Mission Mode
- Garbage Dump: Complete 125 VS Mode matches
- Space Lab: Clear all 51 Mission Mode missions
- Warehouse: Complete 95 VS Mode matches
- Western Town: Complete 45 Vs Mode Matches or beat 30 missions in Mission Mode
Trophies:
- Large-Size Trophy Creation: Complete 150 VS Mode matches
- Medium-Size Trophy Creation: Complete 50 VS Mode matches
Alternate Costumes:
- April's Alternate Costume: Beat Arcade mode as April on any difficulty without using a continue
- Casey's Alternate Costume: Beat Arcade mode as Casey Jones on any difficulty without using a continue
- Foot Ninja's Alternate Costume: Beat Survival mode as Foot Ninja on any difficulty
- Karai's Alternate Costume: Beat Survival mode as Karai on any difficulty
- Splinter's Alternate Costume: Beat Arcade mode as Splinter on any difficulty without using a continue.
Unlock Characters:
Foot Ninja: Choose To Unlock After Beating Arcade Mode
Fugitoid: Beat All 51 Challenges
Karai: Choose To Unlock After Beating Arcade Mode
Nightwatcher: Choose To Unlock After Beating Arcade Mode
Raving Rabbid: Finish 120 Versus Matches
Shredder: Choose To Unlock After Beating Arcade Mode
Splinter Rabbid: Finish 90 Versus Matches
Utrominator: Choose To Unlock After Beating Arcade Mode
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