How To Unlock: Collect 25 combo cards.
- Going through the story of Dead Rising 2 will get a good amount, also saving survivors and fighting psychopaths will earn a good amount of cards. Remember, scratch cards do not count so just creating the weapon will not work.
- An easy head start is at the very beginning of the game, go over to the billboard advertising the Blood movie to get the combo card for Nail MMA gloves.
See "DR2: Full Deck" for more information.