CheatCodes.com has all the official Yu-Gi-Oh! World Championship 2010: Reverse of Arcadia DS cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Tuesday May 21, 2013 for Yu-Gi-Oh! World Championship 2010: Reverse of Arcadia are shown below.
Save up star coins for after the end of the game cause you need 40 star chips for another duel runner.
If you want to go first in a duel by winning rock, paper, scissors, you have to click the picture of the next to the picture the game has aready put for you, but you have to do that very fast right when you see the icons. Thats how you go first almost every time.
After you beat the game, go to the destroyed building that used to be the arcadia movement building. Talk to Liquid or Okita and they will tell you that they need a place to stay. Go to Blisters house and you will tell him that you have two friends that need a place to stay. He will say that will be ok. Go back to them talk to one of them and you will take them to their room. Defeat Liquid in a duel three times and he will give you the rare Krebons card.
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