At its core, this is a ROM hack of the original Forbidden Memories . A standard mod might re-texture the Millennium Puzzle or change duelist names. However, the mod takes a nuclear approach to asset replacement.
But Goku didn’t use the Power Pole. He went Super Saiyan—a graphical glitch that turned his hair gold and his eyes green. The card’s flavor text changed: ATK/∞ DEF/0. Effect: This monster can attack directly by destroying the opponent’s entire field, hand, and deck. Then, it activates ‘Instant Transmission’ and leaves the duel, resulting in a DRAW. yugioh forbidden memories mod dragon ball z 53
And in this mod? You have about three turns before Cell summons Majin Buu and destroys your entire hand. At its core, this is a ROM hack