(Online Interactions Not Rated by the ESRB) As the ninja Shinobi (Joe Musashi) you must stop who the criminal organization called "Zeed" who has kidnapped the children of the Oboro clan. Test your ninja skills through five missions of increasing difficulty as Musashi must make his way to Zeed's headquarters and free all the hostages. Zeed's leaders, known as "Ring of Five", are determined to stop you as you'll face one at the end of each stage. This game requires the Xbox 360 hard drive or the 512MB Memory Unit for storage. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.