To unlock all cards in Yu-Gi-Oh! Duel Generation mod, follow these steps:
When you launch the mod, you'll likely need to create an account or log in to an existing one. After that, you should see an option to unlock all cards or access premium features. Follow the on-screen instructions to unlock all cards.
For those unfamiliar, Yu-Gi-Oh! Duel Generation is a mobile game developed by Konami that allows players to duel against others using a vast array of cards from the Yu-Gi-Oh! trading card game. The game features various modes, including a campaign mode, multiplayer, and daily duels. However, the game's free-to-play model and built-in limitations can make it difficult for players to access certain cards, decks, and features.
To verify that all cards have been unlocked, navigate to the game's card library or deck-building menu. You should see every card in the game available for use.