The ninja turtles are back! Teenage Mutant Ninja Turtles: Smash Up is the first TMNT video game that is not tied to a movie, television show or comic book. Developed for the Wii by Game Arts, Teenage Mutant Ninja Turtles: Smash Up is born from the unique combination of talents who formerly worked on best-selling and highest rated Action-Brawler and Ninja Action games. Turtle vs. Turtle, Turtle vs. Splinter, Villain vs. Villain - Anything is possible in this free-for-all brawler. Cowabunga dudes!