Yu-Gi-Oh! - Ultimate Masters - World Championship Tourna Cheats, Codes and Tips:
Unlock the Forbidden / Limited Lists
First choose the "Forb/Ltd Card Lists" section from the main menu so that it will bring you to the Forbidden / Limited List and then amongst the options there should be one to enter a password.
Note: In the password, replace the "*" with the circle symbol, the "$" with the triangle symbol, and the "(STAR)" with the star symbol found at the lower right of the keyboard where you type in the password.
Unlock the March 2006 Forbidden / Limited List:
v2AQz 8Gfz* Lup3K
EWQ÷r mQ=vW GxrMr
pBLea P=rWQ @zWQ=
EWQU7 uMvyn ?f7YG
Unlock the March 2007 Forbidden/Limited List:
HXkQz 8Gfz8 LEp2L
NUQMr mQ=v$ Gx!Mr
pPdiH R=rWQ @vWQ=
EWQU7 uMf÷V (STAR)
2k3L Z4m?g JsH$x
UheJ? Dgskm QA
Unlock the September 2006 Forbidden/Limited List:
Vh7Qz 8Gfz* Lrp2L
AWQ@r 2Q=v# Gx!Mr
pBdia N=rWQ @zWQ=
EWQUz mM8-C %x7uH
Z4m?g 7HEgs Uhe÷$
Theme Duel unlockables
By having certain cards extra theme duels can be unlocked.
Have Dark sage, Dark Magician, and Time Wizard in your deck.
-Dark Scorpion Combination:
Have Dark Scorpion Combination , Don Zaloog, Cliff the trap remover, Dark Scorpion's Chick the yellow, Gorg the Strong, and Meanae the thorn.
Have Valkyrion the Magna Warrior, Alpha the Magna Warrior, Beta the magnet warrior, and Gamma the Magnet warrior in your deck.
-Moth Grows Up:
Have Perfectly Ultimate Great Moth, Petit Moth, and Cocoon of evolution in your deck.
-The Gatekeeper stands Tall:
Have Gate Guardian, Sanga of the Thunder, Suijin, and Kazejin in your deck.
-The preventers Fight Back:
Have Ojama Delta Hurricane, Ojama Yellow, Ojama Green, and Ojama Black in your deck.
-V-Z in the house:
Have VWXYZ-Dragon Catapult Cannon, VW-Tiger Catapult, XYZ-Dragon cannon, V-Tiger Jet, W-Wing Catapult, X-Head Cannon, Y-Dragon Head, and Z-Metal Tank
-XYZ In The House Theme Dual:
Have XYZ-Dragon cannon, XY-Dragon Cannon, XZ-Tank Cannon, YZ-Tank Dragon, X-Head Cannon, Y-Dragon Head, and Z-Metal Tank in your deck.
Theme Duels Additional Events
Have the following cards in your deck in order to unlock the desire event.
Have the card "Final Countdown" in your deck.
Have Destiny Board "F" and the spirit message "I", "N", "A", and L" in your deck.
-Hamon, Lord of Striking Thunder:
Have the card "Hamon, Lord of Striking Thunder" in your deck.
Have the card "United Resistance", "Opressed People" and "People Running About" in your deck.
-Raviel, Lod of Phantasms:
Have the card "Raviel, Lod of Phantasms" in your deck.
Have "the forbidden one" cards in your deck (Right Arm, Right Leg, Left Arm, Left Leg, and Exodia).
Uria, Lord of Sealing Flames: Have the card "Uria, Lord of Sealing Flames" in your deck.
Have the card "Victory D." in your deck.