Extra KC
If you go to the card shop, you can sit down where the duel mats are and say yes. Then, when you look at your bottom screen it will say turtruriul and puzzle. Click puzzle and it will say begginer or intermediate. Click either one and do some missions. Each mission gives you 50kc.
We have more cheats and tips for this game here, Yu-Gi-Oh! Nightmare Troubadour cheats
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