How do you collect 100 percent of the cards in Yu-Gi-Oh 5D's Stardust Accelerator World Championship 2009?
You need to unlock all the booster packs in order to do so. Here's a link to a Pack List walkthrough that should tell you how to unlock each one: http://www.gamefaqs.com/porta…ble/ds/file/955057/56089 Also, after any duel, you can go to Helio in the New Domino City card shop and trade a card with him. If you don't like the card you got you can reset the game and trade again (though if you already have a high percentage of cards then you wouldn't have too much luck resetting). (MORE)