If you want the absolute best experience—meaning the game is fully updated with the latest card pool and bug fixes—you might want to use a save file rather than an old modded APK.
Yu-Gi-Oh! Duel Generation mod that unlocks all cards transforms a slow, "pay-to-win" experience into a robust offline TCG simulator. While the official game servers were retired by September 30, 2020 yugioh duel generation mod unlock all cards better
If you are determined to stick with Duel Generation and want the "unlock all cards" experience without the virus, follow this guide. If you want the absolute best experience—meaning the