Yu-Gi-Oh! Online: Duel Accelerator is the official online version of the famous card game franchise. Players start with a handful of cards, enough to make a basic deck, but must purchase booster packs and pre-made decks using real cash. There are several NPC opponents to duel, but the main attraction is the ability to play against other duelists and participate in tournaments. Yu-Gi-Oh! has an international playerbase and Duel Accelerator helps them connect. Besides purchasing cards, players can customize the appearance of their avatar, chose different deck protectors, and trade cards. It is possible to exchange cards with an NPC shop keeper, but he demands 50 cards for one of his cards. Unfortunately, this seems to be the only free way to acquire more powerful cards.