Unlock Duelists, disks, clothes from other Yu-Gi-Oh! Games
1. You need 2 Nintendo DS's.
2. You must have at least Yu-Gi-Oh! Nightmare Troubadoor (NT) or Yugioh Spirit Caller (SC) or both.
3. Make a wireless connection Chatroom on WC 2007 on DS 1. Then, use SC or NT to join that Chatroom in Wireless mode on DS 2.
4. If done correctly, you will unlock the following duelists:
5. And for the Discs and Clothes:
Slifer Red Jacket (Clothes, Male)
Obelisk Blue Uniform (Clothes, Female)
Alchemy Disk (Disk, Male and Female)
Stuffy Collared Shirt (Clothes, Male)
Pink Suit (Clothes, Female)
Cheap Disk (Disk, Male and Female)
Also note: Yami Marik, Yami Yugi, and Kaiba have God Cards.