The vanilla game officially contained 722 cards. However, due to programming limitations and the game’s rushed development, many of these were unobtainable without cheats, and others were simply blank spaces in the code. For years, the dream of a "complete" Forbidden Memories experience—where you could actually hold, fuse, and duel with all 722 cards—remained just that: a dream.
The (often found under community names like FMD v2.0 Complete Edition or 722 Card Patch ) is a ROM hack of the original game. Its primary goal is simple: Make every single one of the 722 card slots functional, obtainable, and duel-ready. yu-gi-oh forbidden memories mod 722 cards
Now, you actually can.