From Wikipedia: Naruto: Clash of Ninja Revolution is the third Clash of Ninja game available in North America and was released on October 23, 2007 and has 20 characters. Clash of Ninja Revolution covers the events of the Chunin Exam arc to the end of the Search for Tsunade arc. Clash of Ninja Revolution is essentially an enhanced port of Naruto: Gekitou Ninja Taisen 3 but uses the same gameplay engine as Gekitō Ninja Taisen! EX. The game utilizes the Nunchuk accessory for the Wii Remote, for basic attacks and for special attacks that require specific movements from both items. It was nominated as Wii's Best Fighter for 2007.