Yu-gi-oh Forbidden Memories Cheat Codes May 2026

This code modifies the AI’s logic, forcing them to summon their weakest monster and attack every turn. Useful for fusion testing.

800CAF48 0001

Technically, these aren't "codes," but they are exploits baked into the game that feel like cheating. If you want the power without using a third-party device, use these glitches. yu-gi-oh forbidden memories cheat codes

There is a notorious code that attempts to fill all 600 trunk slots with rare cards. Use this at your own risk.

The most requested cheat code. In the original game, you must physically win or fuse 700+ cards. This code instantly fills your trunk with every card in the game, including unobtainable developer cards. This code modifies the AI’s logic, forcing them

Warning: This code can corrupt your save file if you save over it. Use it, build your decks, then turn it off before saving.

Code (Multiple lines – enter all):

3000BAD0 00FF
3000BAD2 00FF
3000BAD4 00FF
3000BAD6 00FF
8000BAD8 FFFF
8000BADA FFFF
... (Continued for all memory blocks)

Simpler Alternative (For Emulators): Most emulators (like DuckStation) have a pre-made cheat database. Look for "Have All Cards" in the cheat menu. If you are typing manually, a compressed code like this often works for v1.0:

B0800002 00000000 8000BAD0 0909

Note: The "All Cards" code is notoriously version-sensitive. If the above doesn't work, search for a "Complete Trunk" code specific to your ROM region (USA/Japan/Europe).

When you open a pack of cards, if you don't like what you see, hold the reset button (or close the emulator) before the "Pack Opening" animation finishes. The game will not save your DP loss. This is identical to using an Infinite DP cheat but slower. The most requested cheat code