The most intense challenging action-packed ninja adventure is back exclusively on PS3! From Tokyo to New York follow super ninja Ryu as he encounters vicious enemies & aquires an extensive assortment of ninja weaponry along the way. New Playable Characters: Ninja Gaidens Rachel Ayane from the Dead Or Alive series & Momiji from Ninja Gaiden: Dragon Sword appear as sexy new playable characters. Online Co-Op: Two people can engage in online co-op play with voice chat in 30 or more different stages (in 4 different difficult settings) to complete special missions. Rankings from each mission are recorded & posted online where gamers can choose their opponents based on players mission stats. Visual Diversity: Over 30 unique characters 17 stages with a variety of environments & a story which unfolds in 70 impressive cut-scenes. New Enemies: A variety of new enemies & bosses have been incorporated into the stunning enhanced environments. Variable AI: Contributing to the increased difficulty level the gameplay differs each time you appear in a level as enemies engage in a variety of different actions as they assess the current situation. Gameplay Innovation: A finishing blow can be used in battle to quickly defeat an enemy in one dynamic action.