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'''Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006''', known as '''''Yu-Gi-Oh! Duel Monsters Expert 2006''''' (遊戯王デュエルモンスターズ エキスパート2006) in Japan, and '''''Yu-Gi-Oh Ultimate Masters Edition: World Championship Tournament 2006''''' in Europe, is a video game released on February 23, 2006 in early Summer Japan, March 14, 2006 based on the ''[[Yuin North America, and <!-- some time -Gi-Oh!]]'' franchise> 2006 in Europe. The gameplay involves the player collecting cards in-game and using them to battle the computer players. Players may also (upon completing the Free Duel mode) battle against Decks which they themselves have designed and saved. This game comes with three promotional Yu-Gi-Oh! cards enclosed; they are "[[Helios - The Primordial Sun]]", "[[Helios Duo Megistus]]", and "[[Golden Homunculus]]". These cards were later handed out in English [[Blister Pack]]s.

This game contains almost every Yu-Gi-Oh! card made in English at the time of its release, with the exception of "[[Barrel Behind the Door]]", "[[Darkness Approaches]]", "[[Double Spell]]", "[[Dragon Piper]]", "[[Gravekeeper's Chief]]", "[[Kaiser Colosseum]]", "[[Mind Crush]]", "[[My Body as #Missing cards|a Shield]]", "[[Spring of Rebirth]]" and Level 5 [[Normal Monster]]s other than "[[Aitsu]]", "[[Bottom Dweller]]", "[[Curse number of Dragon]]", "[[Giga Gagagigo]]", "[[Illusionist Faceless Mage]]", "[[Jack's Knight]]", "[[Kabazauls]]", "[[King of Yamimakai]]", "[[Labyrinth Wall]]", "[[Molten Behemoth]]", "[[Mr. Volcano]]", "[[Ocubeam]]", "[[Steel Ogre Grotto 1|Steel Ogre Grotto #1]]", "[[Terrorking Salmon]]", "[[The Earl of Demise]]" and "[[Woodborg Inpachi]]". Unlike previous games, the cards collected from packs have direct correlation to those released for the TCG. Players purchase packs from the original ''[[Legend of Blue Eyes White Dragon]]'' all the way up through the ''[[Shadow of Infinity]]'' series. There are also specialized packs focusing on themes ([[Machine]]s, [[Spellcaster]]s, [[Warrior]]s, etc.), and even by card type (all [[Effect Monster Card|Effect Monsters]], all Normal Monsters, all [[Spell Card|Spells]], all [[Trap Card|Traps]]). Additional packs are unlocked as you progress in the game. "[[Elemental HERO Neos|Elemental Hero Neos]]" is featured in the game prior to its releaseabsent.

As with prior games in the series card passwords printed on TCG cards can be entered in order to obtain cards in the game. You can now get as many copies of each card as you want in this way (limited to one in previous games, except ''WCT 2005''), but you must pay a fixed cost for each card ==Gameplay=====Free Duel==={{main|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Free Duel Opponents}}The player Duels against Duel Monsters (costs range from a few hundred [[DPKuriboh (character)|Kuriboh]] to in excess of 10000 DP for , [[LimitedDark Magician (character)|Dark Magician]] and , [[ForbiddenCyber Dragon (character)|Cyber Dragon]] cards such , etc.), who use Decks built around themselves. The monster Duelists are organized into five different tiers, with the tiers being unlocked as "[[Pot of Greed]]" and "[[Black Luster Soldier - Envoy of the Beginning]]")game progresses.

Also note that although link Duels are still possible, trading cards between games There is notalso a special tier where the player can Duel against themself (the opponent uses the player's currently selected Deck) and [[Copycat (character)|Copycat]] (who uses a Deck of the player's choice from one of up to 60 of their saved Deck builds).

Also different from ===Challenges==={{main|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Puzzle List|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Theme Duels}}Besides the previous videogamesfree Dueling, this one does not pit you against characters from the there are also Challenges. These consist of [[anime]] and [[mangaYu-Gi-Oh! Ultimate Masters: World Championship 2006: Puzzle List|Duel Puzzles]] (and their known Decks). Instead, you winning a Duel against given certain cards on the various 'monsters' board and Decks built around them ([[Kuriboh (characterin hand)|Kuriboh]], [[Dark Magician (character)Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Theme Duels|Dark MagicianTheme Duels]], [[Cyber Dragon (character)|Cyber Dragon]], etc.). The monster Duelists are organized into five different tiers, with each tier getting unlocked as the game progresses. There is also full Duels based on a special tier where you can Duel yourself (the opponent uses certain theme for building your currently selected Deck), and Copycat Survival Duels (who uses see how many Duels you can win in a Deck of row with your choice Life Points carrying over from one of up Duel to 60 of your saved Deck buildsDuel).

Besides As you complete certain percentages of challenges, more packs and Free Duel Duelists are unlocked. ===Limited Duels==={{main|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Limited Duels}} ==Sets=={{main|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Booster Pack List}}In this game (unlike previous games), the sets are directly based on real ''TCG'' sets. Players purchase [[Booster Packs]] from the free Duelingoriginal ''[[Legend of Blue Eyes White Dragon]]'' through to ''[[Shadow of Infinity]]''. There are also specialized packs focusing on themes ([[Machine]]s, [[Spellcaster]]s, [[Warrior]]s, etc.), and even by card type (''[[All Effect Monsters (World Championship 2006)|All Effect Monsters]]'', ''[[All Normal Monsters (World Championship 2006)|All Normal Monsters]]'', ''[[All Spells (World Championship 2006)|All Spells]]'', there ''[[All Traps (World Championship 2006)|All Traps]]''). Packs are also Challengesunlocked by progressing through the game. These consist of  ==DP=={{main|Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Duelist Points and Duel Puzzles Bonuses}}The player can earn [[DP]] (winning a Duelist Points) in the game by Dueling or completing Duel given certain Puzzles. DP can be spent to obtain new cards . ==Card passwords==[[Password]]s printed on ''TCG''/''OCG'' cards can be entered in order to obtain cards in the board and in hand)game. This can be done any number of times per card. To obtain a card this way, Themed Duels the player must pay a number of [[DP]] depending on the card to be obtained (full Duels based on costs range from a certain theme few hundred DP to in excess of 10000 DP for building your Deck[[Limited]] and [[Forbidden]] cards such as "[[Pot of Greed (World Championship 2006), |Pot of Greed]]" and Survival "[[Black Luster Soldier - Envoy of the Beginning (World Championship 2006)|Black Luster Soldier - Envoy of the Beginning]]"). ==Connectivity==The game can connect to other copies of the game to allow link Duels . It is not possible to trade cards between games. ==Forbidden & Limited lists=={{main|Limitation status chart (see how many Duels you World Championship 2006)}}The game's Forbidden & Limited lists can win be updated to the latest Forbidden & Limited list. ==Missing cards==The following cards existing in the ''TCG'' or ''OCG'' at the time of this game's release, but were not included in the game. Two notable categories missing are cards that requires to [[Declares a row with your Life Points carrying over from Duel to Duelcard name|declare a card name]] ("[[Archfiend's Oath]]", "[[D.D. Designator]]", "[[Dark Designator]]", "[[Great Phantom Thief]]", "[[Mind Crush]]", "[[Prohibition]]" and "[[Question]]") and Level 5 [[Normal Monster]]s (except "[[Aitsu (World Championship 2006)|Aitsu]]", "[[Bottom Dweller (World Championship 2006)|Bottom Dweller]]", "[[Curse of Dragon (World Championship 2006)|Curse of Dragon]]", "[[Cyber-Tech Alligator (World Championship 2006)|Cyber-Tech Alligator]]", "[[Giga Gagagigo (World Championship 2006)|Giga Gagagigo]]", "[[Illusionist Faceless Mage (World Championship 2006)|Illusionist Faceless Mage]]", "[[Jack's Knight (World Championship 2006)|Jack's Knight]]", "[[King of Yamimakai (World Championship 2006)|King of Yamimakai]]", "[[Labyrinth Wall (World Championship 2006)|Labyrinth Wall]]", "[[Millennium Shield (World Championship 2006)|Millennium Shield]]", "[[Molten Behemoth (World Championship 2006)|Molten Behemoth]]", "[[Mr. Volcano (World Championship 2006)|Mr. As you complete certain percentages Volcano]]", "[[Ocubeam (World Championship 2006)|Ocubeam]]", "[[Steel Ogre Grotto 1 (World Championship 2006)|Steel Ogre Grotto #1]]", "[[Terrorking Salmon (World Championship 2006)|Terrorking Salmon]]", "[[The Earl of Demise (World Championship 2006)|The Earl of challengesDemise]]" and "[[Woodborg Inpachi (World Championship 2006)|Woodborg Inpachi]]"). "[[Kuwagata α]]" is the only absent Normal Monster that is not Level 5, more packs and Free Duel Duelists are unlocked"[[Kwagar Hercules]]" (which lists "Kuwagata α" as [[Fusion Material]]) is the only missing [[Fusion Monster]]. You can also update  {{Decklist|Missing ''OCG'' cards|normal monsters =* "[[30,000-Year White Turtle]]"* "[[Akihiron]]"* "[[Ally Mind]]"* "[[Ancient Tool]]"* "[[Ansatsu]]"* "[[Battle Steer]]"* "[[Beautiful Beast Trainer]]"* "[[Bolt Escargot]]"* "[[Crawling Dragon]]"* "[[Crow Goblin]]"* "[[Cyber Soldier]]"* "[[Dark Chimera]]"* "[[Dark Witch]]"* "[[Dice Armadillo]]"* "[[Doma The Angel of Silence]]"* "[[Dungeon Worm]]"* "[[Emperor of the Land and Sea]]"* "[[Flame Champion]]"* "[[Garoozis]]"* "[[Gatekeeper]]"* "[[Giant Turtle Who Feeds on Flames]]"* "[[Giganto]]"* "[[Hercules Beetle]]"* "[[Hunter Spider]]"* "[[Ill Witch]]"* "[[Kairyu-Shin]]"* "[[Kuwagata α]]"* "[[LaMoon]]"* "[[Leo Wizard]]"* "[[Leogun]]"* "[[Mabarrel]]"* "[[Machine Attacker]]"* "[[Mech Bass]]"* "[[Megasonic Eye]]"* "[[Metal Fish]]"* "[[Metal Guardian]]"* "[[Misairuzame]]"* "[[Monster Tamer]]"* "[[Morinphen]]"* "[[Octoberser]]"* "[[Orion the Battle King]]"* "[[Parrot Dragon]]"* "[[Peacock]]"* "[[Queen Bird]]"* "[[Queen of Autumn Leaves]]"* "[[Rainbow Marine Mermaid]]"* "[[Rock Spirit]]"* "[[Rude Kaiser]]"* "[[Sand Stone]]"* "[[Seiyaryu]]"* "[[Shapesnatch]]"* "[[Spike Seadra]]"* "[[Spikebot]]"* "[[Spirit of the Mountain]]"* "[[Spirit of the Forbidden/Limited List Winds]]"* "[[Stone Ogre Grotto]]"* "[[Succubus Knight]]"* "[[Sword Slasher]]"* "[[Tatsunootoshigo]]"* "[[Togex]]"* "[[Trent]]"* "[[Wing Eagle]]"* "[[Winged Egg of New Life]]"* "[[Yamadron]]"* "[[Zanki]]"|effect monsters =* "[[8-Claws Scorpion]]"* "[[Dragon Piper]]"* "[[Grave Protector]]"* "[[Gravekeeper's Chief]]"* "[[Great Phantom Thief]]"* "[[Legacy Hunter]]"* "[[Malice Doll of Demise]]"* "[[Skull Knight 2|Skull Knight #2]]"|fusion monsters =* "[[Kwagar Hercules]]"|spells =* "[[Ante]]"* "[[Archfiend's Oath]]"* "[[Beast Fangs]]"* "[[Book of Secret Arts]]"* "[[Burning Spear]]"* "[[D.D. Designator]]"* "[[Dark Designator]]"* "[[Dark Energy]]"* "[[Darkness Approaches]]"* "[[Double Spell]]"* "[[Dragon Treasure]]"* "[[Electro-Whip]]"* "[[Elf's Light]]"* "[[Follow Wind]]"* "[[Gust Fan]]"* "[[Invigoration]]"* "[[Kaiser Colosseum]]"* "[[Laser Cannon Armor]]"* "[[Legendary Sword]]"* "[[Machine Conversion Factory]]"* "[[My Body as a Shield]]"* "[[Mystical Moon]]"* "[[Power of Kaishin]]"* "[[Prohibition]]"* "[[Question]]"* "[[Raise Body Heat]]"* "[[Secret Pass to the current one at Treasures]]"* "[[Silver Bow and Arrow]]"* "[[Spirit Elimination]]"* "[[Spring of Rebirth]]"* "[[Steel Shell]]"* "[[Sword of Dark Destruction]]"* "[[The Puppet Magic of Dark Ruler]]"* "[[Vile Germs]]"* "[[Violet Crystal]]"|traps =* "[[Barrel Behind the Door]]"* "[[Grave Lure]]"* "[[Mind Crush]]"* "[[Muko|Null and Void]]"* "[[Penalty Game!]]"* "[[Pharaoh's Treasure]]"* "[[Pole Position]]"* "[[Trap of Board Eraser]]"}} ==Glitches=={{main|Yu-Gi-Oh! Card Ultimate Masters: World Championship 2006: Game Website.Glitches}}

===Japanese==={{main|Duel Monsters Expert Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006 Promo Setpromotional cards}}This game comes with three promotional Yu-Gi-Oh! cards enclosed: "[[Helios - The Primordial Sun]]", "[[Helios Duo Megistus]]", and "[[Golden Homunculus]]".

In English, these cards were later distributed in [[Blister Pack]]s.{{citation needed}} ===InternationalGame Guide==={{main|Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006 Game Guide promotional card}}In Japan, the Game Guide comes with a promotional cardscard: "[[Helios Trice Megistus]]". ===Bundle==={{main|Yu-Gi-Oh! World Championship 2006 Set}}In Japan, in addition to the game's regular promotional cards, the game was also available in a special bundle with Structure Decks and other products. This bundle included 4 [[Ultimate Rare]] promotional cards, in addition to the game's own promotional cards.

WC6-VideoGameNA.png | North American English coverWC6-VideoGameEU.png | European English coverWC6-VideoGameAU.png | Australian English coverWC6-VideoGameFR.png | French coverWC6-VideoGameDE.png | German coverE06-VideoGameJP.png | Japanese coverWC6-Advertisement-EN.png | An English advertisementE06-Poster.png | Japanese promotional poster