These passwords are built into the game. To use them, select from the main menu. Note: Entering a password only unlocks the card for purchase; you must still pay the required Star Chip cost to add it to your deck. Star Chip Cost Blue-Eyes White Dragon Dark Magician Summoned Skull Red-Eyes Black Dragon Exodia the Forbidden One Dark Hole Raigeki Source: GameFAQs Password Guide GameShark & Code Breaker Codes (PS1/Emulators)