Cheats, Codes & FAQs
Beat the Expert Cup finals to be able to use this in the KC store.
- Win in the Expert Cup FinalsPassword Machine
You must progress through the game until you get the Marik. After you duel him a lot, and if you have either Slifer or Obelisk in your trunk, he will ask to trade you for his Ra.
You must have your GBA Yugioh game named Yu-Gi-Oh!GX Duel Academy inserted into the GBA Slot of your Nintendo DS. Start up your Yu-Gi-Oh! Nightmare Troubadour and you shall get 3 wing Koriboh cards. The card that Jaden Yuki uses in the tv show.