Note: This is the 2013 game by Activision, not to be confused with the 2014 game Teenage Mutant Ninja Turtles by Activision.Cheat mode
At the main menu, select the "Codes" option, then enter one of the following codes to activate the corresponding cheat function:
Infinite Smoke Bombs
Press Up, Left, Down, Right, B(2).Mega Mutagen attack
Press Up, Down, Left, Right, B, A, Start.Mega Mutant attack
Press Up, Down, Left, Right, A, B, Start.Pizza power
Press Left, Down, Right, B(3).Tiny turtles
Press Right(2), A, B ,A ,Down.