User blog comment:Mistertrouble189/DEAD RISING 2: CASE WEST/@comment-188.83.177.240-20100925042244/@comment-2185560-20101001002028

Not even smart rage, the Downloadable Content menu is for the pre-order stuff. Who knows, maybe they'll release a DLC later for all 3, but for right now, Case Zero and Case West are been xbox live arcade exclusives.