These cheat code will give you 573 Gold each time you enter it!!!

Unlimited Gold - YU-GI-OH!: The Falsehood Kingdom - Gamecube

Here’s the Cheat:

• While in 3D mode Screen, move the cursur to an empty spot on the field
• Quickly press:
  • Up
  • Up
  • Down
  • Down
  • Left
  • Right
  • Left
  • Right
  • B
  • A

* You can enter the code as many times as you like for unlimited gold!