Complete the indicated task to unlock the corresponding outfit.

Champion's Jacket: Found inside the "Hostile Zone" at the Fortune City Arena.
Chuck Greene outfit: Have a saved game file from Dead Rising 2.
Dealer outfit: Search the managers office where you save Lenny Mooney in the Yucatan Casino.
Ninja hood: Search the secret sniper location at Royal Flush Plaza.
Tattered clothing: Earn the "Party Time" achievement or trophy.
Willamet Security outfit: Earn the "Maintaining The City" achievement or trophy.