GamesRadar - PS2 Newshttp://www.gamesradar.com/ps2/news/Namco Bandai Releases Ultimate Ninja 4: Naruto Shippudenhttp://www.gamesradar.comhttp://www.n4g.com/ps2/News-301068.aspxMarch 26, 2009, 7:29 p.m.Ultimate Ninja 4: Naruto Shippuden for PS2 Goes Goldhttp://www.gamesradar.comhttp://www.n4g.com/ps2/News-290446.aspxMarch 7, 2009, 5:16 a.m.Official Ultimate Ninja 4: Naruto Shippuden character listhttp://www.gamesradar.comhttp://www.n4g.com/ps2/News-266477.aspxJan. 26, 2009, 10 p.m.