This game is known as "Teenage Mutant Hero Turtles III: The Manhattan Project" in Europe.
To access cheat mode in 1-player mode, press , , , , , , , , , , at the title screen before the demo starts. To access cheat mode in 2-player mode, press , , , , , , , , , , , then . You will then have access to a level select, sound test and extra lives.
For auto turtle select in a 1-player game, press 5 times at the character selection screen. In a 2-player game, press 10 times at the character selection screen. After a turtle is defeated, the next turtle will automatically be selected at random. This cheat can also be achieved by rapidly taping , repeatedly at the character selection screen.
When you're running low on energy, repeatedly press and to make it run out slower.
This cheat requires the Game Genie cheat device.
| Outcome | Code |
|---|---|
| Infinite Lives | AENKLZPA |
| Begin the game with 9 lives | AEOAALLE |
| Begin the game with 6 lives | IEOAALLA |
| Begin the game with 1 life | AEOAALLA |
| Infinite Energy | SLXUTXVS + SLKXPKSO |
| No energy lost from using turbo attack | AAESYXAA |
| Higher jumping | ALUGVYAG |
| Very high jumping | AZUGVYAK |
| Very high jumping | AZUGVYAG |
| Infinite Continues | SXNSKKVK |
| Begin the game with 9 continues | PAUZOGLE |
| Begin the game with 1 continue | PAUZOGLA |
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