Deep within the sewers of the Big Apple live the greatest heroes no one knows about. Born in the shadows, they live in the shadows ~ and protect the denizens of this great city in the shadows. Training under a master sensei for years, they have mastered the art of Ninjutsu and use it to fight evil at every turn. Now, with New York City's crime rates still on the rise and the citizens living in fear, they must rise up to take on an even greater threat. The diabolical Baxter is planning to unleash a horrific plan with his mutant and robot army, and only the Teenage Mutant Ninja Turtles can put a stop to this evil once and for all. Are you ready to join everyone's heroes in half shells?Cowabunga ~ the Teenage Mutant Ninja Turtles are back and ready to combat an all-new threat. Baxter is devising a devious and dastardly plan to terrorize the citizens of New York City, and he has both mutants and robots at his disposal. Join Leonardo, Donatello, Raphael and Michelangelo, as well as Splinter and April O'Neil, as everyone's favorite vigilante brethren battle against hordes of enemies to save the day. Play as all four Turtles and switch between them on the fly for heart-racing combat in this thrilling, action-packed storyline. Master a new set of Ninjutsu skills by earning XP and leveling up the Turtles. Find and unlock new weapons to equip your heroes as they take on Shredder's minions. It's time to become the world's most fearsome fighting team ~ Turtle Power.