If you have an existing campaign, back up your OBB and data files before overwriting them. Conclusion
Yu-Gi-Oh! Duel Generation was great for its time, but it is outdated. For the true "unlock all cards" experience, switch to: yugioh duel generation mod unlock all cards best
: Gain immediate access to the full library of over 7,484 playable cards without needing to grind through the campaign. If you have an existing campaign, back up
: Provides unlimited in-game currency to "purchase" any locked avatars or premium deck recipes that were previously behind paywalls. How the "Unlock All" Function Works For the true "unlock all cards" experience, switch
Some of the "best" mods bundle the card unlock with gameplay hacks. While not directly related to "unlocking all cards," many search results include mods with "God Mode" (infinite LP) or "Auto-Win" to farm campaign rewards on top of the unlocked cards.