Yu-Gi-Oh! Forbidden Memories on the PS1 is notoriously difficult due to the heavy "grind" required to build a competitive deck. Whether you are looking for official in-game passwords or external GameShark codes, these "cheats" are the fastest way to skip the grind and face the game's toughest opponents like Seto 3 and Nightmare. 1. In-Game Card Passwords (The "Legit" Way)
Go to the menu and use the "Trade" function between the two slots. yu-gi-oh forbidden memories cheat codes