(Online Interactions Not Rated by the ESRB) Unlock the full version now! Experience 14 levels of story, the ranked story track, guitar and shadow story co-op, 50 arcade challenges, local, System Link and LIVE arcade co-op, and more weapons, bosses, and intense, stylistic action! 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.