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'''''Yu-Gi-Oh! World Championship Tournament 2004''''', known in Japan as '''''Yu-Gi-Oh! Duel Monsters: Expert 3''''' ({{Ruby|遊|ゆう}}☆{{Ruby|戯|ぎ}}☆{{Ruby|王|おう}}デュエルモンスターズ エキスパート{{Ruby|３|スリー}} ''Yugiō Dyueru Monsutāzu: Ekisupāto Surī''), is a video game based on the ''[[Yu-Gi-Oh!]]'' franchise. The game has been released on the Game Boy Advance.

The game features 1,138 cards (201 spells[[Spell]]s, 109 traps[[Trap]]s, 55 fusion monsters[[Fusion Monster]]s, 16 ritual monsters[[Ritual Monster]]s, 224 effect monsters [[Effect Monster]]s and 533 normal monsters[[Normal Monster]]s). "[[Dark Magician (World Championship 2004 alternate artwork)|Dark Magician]]" and "[[Polymerization (World Championship 2004 alternate artwork)|Polymerization]]" can be collected in two different artworks, counting as different cards.

There is no conversation, you just start Duels right awaywhen beginning a Duel with the game beginning immediately after selecting the opponent.

The speed of game play is slow but can be sped up by holding '''L''' while Dueling or just hold '''L''' while choosing an opponent.

The weaker opponents opposing Decks are full of junk monsters that aren't worth battling like "[[Winged Cleaver (World Championship 2004)|Winged Cleaver]]".

Since many opponents do not use cards against your spellsSpells/traps Traps, the use of stalling cards like "[[Gravity Bind (World Championship 2004)|Gravity Bind]]" can make winning a pretty easy taskvery simple.

The number of total cards shown in the top bar is sadly not the number of different cards collected so far. It really means the total number of all cards you have. The other numbers in the sub categories only refer to the number of cards in your actually used deck. You can sort cards (only ascending) by choosing sorting criteria one after another. The previous sortings are kept as far as possible. (i.ethe Deck you currently use. sort by 1) name 2) DEF 3) ATK)

You can sort cards (only ascending) by choosing sorting criteria one after another. The previous sorting criteria are kept as far as possible (i.e. sort by 1) name 2) [[DEF]] 3) [[ATK]]). There is no useful sorting criteria for spells Spells and traps beside Traps other than "name".

For faster scrolling through the card list , push the left/right-button. You will jump to the next 4 cards. For even faster scrolling , hold the B-button and press up/down.

There are cards which are Limited or Semi-Limited. (for you but These limitations do not for the apply to opponents of higher level).

{{See alsoMain|CategoryPortal:''Yu-Gi-Oh! World Championship Tournament 2004'' sets}}After winning Each time the player wins a Duel you , they can choose open a booster pack containing 5 five cards. Often, one of the five will be a rare card whose name is displayed in a holographic pattern. The rare card is more likely to be one that the player has not yet received as opposed to a duplicate of one of their existing cards.

In most cases one {| class="wikitable"|-! scope="col" | Pack! scope="col" | Basis! scope="col" | Unlocked by|-| [[Blue-Eyes White Dragon pack (World Championship 2004)|Blue-Eyes White Dragon]]| ''[[Legend of Blue Eyes White Dragon (Japanese)|Legend of Blue Eyes White Dragon]]''| Available from the cards is a start|-| [[Red-Eyes B. Dragon pack (highlightedWorld Championship 2004) rare card|Red-Eyes B. There can be only 1 rare card per Dragon]]| ''[[Phantom God]]''| Available from the start|-| [[B. Skull Dragon pack(World Championship 2004)|B.Skull Dragon]]| ''[[Revival of Black Demons Dragon]]''| Available from the start|-| [[Barrel Dragon pack (World Championship 2004)|Barrel Dragon]]| ''[[Metal Raiders (Japanese)|Metal Raiders]]''Since | Available from the AI wants you to receive all cards in start|-| [[Black Luster Soldier pack (World Championship 2004)|Black Luster Soldier]]| ''[[Dark Ceremony Edition]]''| Available from the game most start|-| [[Relinquished pack (World Championship 2004)|Relinquished]]| ''[[Magic Ruler (Japanese)|Magic Ruler]]''| Beat [[Rex Raptor (World Championship 2004)|Rex Raptor]] ten times|-| [[Toon Summoned Skull pack|Toon Summoned Skull]]| ''[[Pharaoh's Servant (Japanese)|Pharaoh's Servant]]''| Beat [[Espa Roba (World Championship 2004)|Espa Roba]] ten times|-| [[Jinzo pack|Jinzo]]| ''[[Curse of Anubis (set)|Curse of Anubis]]''| Beat [[Weevil Underwood (World Championship 2004)|Weevil Underwood]] ten times|-| [[Thousand-Eyes Restrict pack|Thousand-Eyes Restrict]]| ''[[Thousand Eyes Bible]]''| Beat [[Bonz (World Championship 2004)|Bonz]] ten times|-| [[The Masked Beast pack (World Championship 2004)|The Masked Beast]]| ''[[Spell of Mask]]''| Beat [[Mako Tsunami (World Championship 2004)|Mako Tsunami]] ten times|-| [[Zombyra the cards it offers are cards you havenDark pack|Zombyra the Dark]]| ''[[Labyrinth of Nightmare (Japanese)|Labyrinth of Nightmare]]''| Beat [[Mai Valentine (World Championship 2004)|Mai Valentine]] ten times|-| [[Dark Ruler Ha Des pack|Dark Ruler Ha Des]]| | Beat [[Bandit Keith (World Championship 2004)|Bandit Keith]] ten times|-| [[Yamata Dragon pack|Yamata Dragon]]| | Beat [[Joey Wheeler (World Championship 2004)|Joey Wheeler]] ten times|-| [[Guardian Sphinx pack|Guardian Sphinx]]| ''[[Pharaonic Guardian (Japanese)|Pharaonic Guardian]]''t collected so far which makes it hard to collect | Beat [[Maximillion Pegasus (World Championship 2004)|Maximillion Pegasus]] ten times|-| [[Yami Yugi pack 1|Yami Yugi 1]]| | Beat [[Arkana (World Championship 2004)|Arkana]] ten times|-| [[Yami Yugi pack 2|Yami Yugi 2]]| | Beat [[Rare Hunter (World Championship 2004)|Rare Hunter]] ten times|-| [[Yami Yugi pack 3|Yami Yugi 3 copies especially ]]| | Beat [[Umbra & Lumis (World Championship 2004)|Umbra & Lumis]] ten times|-| [[Yami Yugi pack 4|Yami Yugi 4]]| | Beat [[Strings (World Championship 2004)|Strings]] ten times|-| [[Yami Yugi pack 5|Yami Yugi 5]]| | Beat [[Odion (World Championship 2004)|Odion]] ten times|-| [[Green Millennium Puzzle pack (World Championship 2004)|Green Millennium Puzzle]]| All Spell Cards| Beat [[Simon (World Championship 2004)|Simon]] twenty times|-| [[Red Millennium Puzzle pack (World Championship 2004)|Red Millennium Puzzle]]| All Trap Cards| Beat [[Yami Bakura (World Championship 2004)|Yami Bakura]] twenty times|-| [[Yellow Millennium Puzzle pack (World Championship 2004)|Yellow Millennium Puzzle]]| All [[Effect Monster]]s| Beat [[Yami Marik (World Championship 2004)|Yami Marik]] twenty times|-| [[Purple Millennium Puzzle pack (World Championship 2004)|Purple Millennium Puzzle]]| All [[Monster Card]]s| Beat the [[Duel Computer (World Championship 2004)|Duel Computer]] twenty times|-| [[Eye of Wdjat pack (World Championship 2004)|Eye of the rare Wdjat]]| All cards.| Beat [[Yami Yugi (World Championship 2004)|Yami Yugi]] twenty times|}

* In both card text and card names, "Magician" has been replaced by "Spellian". This affects cards including "[[Dark Magician (World Championship 2004)|Dark Magician]]", "[[Magician of Black Chaos (World Championship 2004)|Magician of Black Chaos]]", and "[[Dark Magician Girl (World Championship 2004)|Dark Magician Girl]]". This is likely as a result of a last-minute changing of "Magic" to "[[Spell Cards|Spell]]" using a mass-text replacer on the ROM before release.

* You are not asked if you want to activate a trap Trap on an empty game state. So This means it is not possible to use a card like "[[Call Of The Haunted (World Championship 2004)|Call Of The Haunted]]" during your opponent's end phase i.e[[End Phase]].

* You cannot confirm your opponent's deck Deck by yourself when using cards like "[[Nobleman of Extermination (World Championship 2004)|Nobleman of Extermination]]".

* "[[Axe of Despair (World Championship 2004)|Axe of Despair]]" is not placed on top of your deck Deck even if you have offered a monster for its effect.

* Terrain bonuses sometimes do not benefit the player, but it does benefits do always benefit the AI.

* Despite the text saying otherwise, "[[Maiden of The Aqua (World Championship 2004)|Maiden of The Aqua]]" does give the same stat bonuses and penalties as "[[Umi (World Championship 2004)|Umi]]" when it is [[face-up ]] on the field. Until Its effect will still deactivate if another field card [[Field Spell]] is played then it deactivatesactivated.

* After "[[Spear Dragon (World Championship 2004)|Spear Dragon]]" has attacked, activate "[[Book of Moon (World Championship 2004)|Book of Moon]]" and "Spear Dragon" would be flipped facedown[[face-down]], therefore, the effect of "Spear Dragon" makes the card into facedown places it in face-down [[Attack Position]].

* Your monster is destroyed even if you chain "Book of Moon" to your opponent's "[[Trap Hole (World Championship 2004)|Trap Hole]]".

* Despite the text of "[[Spellbinding Circle (World Championship 2004)|Spellbinding Circle]]" saying otherwise, if the targeted monster is Tributed[[Tribute]]d, "Spellbinding Circle" is destroyed.

* If "[[Spirit Reaper (World Championship 2004)|Spirit Reaper]]" is targeted by an [[Equip Spell]], only the Spell is destroyed.

* When you activate "Call Of The Haunted" during your own battle phase [[Battle Phase]] while your opponent has no monsters , the summoned Summoned monster attacks automatically.

* After "[[Book of Moon (World Championship 2004)|Book of Moon]]" was chained [[chain]]ed to set [[Set]] the target of an opponent's "[[Ring of Destruction (World Championship 2004)|Ring of Destruction]]" the ring , "Ring of Destruction" is sent to the graveyard [[Graveyard]] even when "[[Banisher of the Light (World Championship 2004)|Banisher of the Light]]" is faceup face-up on your side of the field.

* The opponent can pay [[LP ]] for "[[Chain Energy (World Championship 2004)|Chain Energy]]" even if it reduces them to zero. * The opponent doesn't pay for "Chain Energy " when playing a card that destroys it, like "[[Heavy Storm (World Championship 2004)|Heavy Storm]]"

* In the following situation , you receive Damage damage equal to the (600) DEF points of an opponent's "[[Man-Eater Bug (World Championship 2004)|Man-Eater Bug]]": You Attack i.e. attack with a monster like "[[Gemini Elf (World Championship 2004)|Gemini Elf]]", the AI activates "[[Mirror Force (World Championship 2004)|Mirror Force]]", you chain "[[Ring of Destruction (World Championship 2004)|Ring of Destruction]]", opponent the AI chains "[[Seven Tools of the Bandit (World Championship 2004)|Seven Tools of the Bandit]]".

* when When "[[Zombyra the Dark (World Championship 2004)|Zombyra the Dark]]" is removed from the field i.e. by the flip effect of a "[[Cyber Jar (World Championship 2004)|Cyber Jar]]" it just destroyed, a replacement monster gets his its ATK reduced by 200 by "Zombyra's" effect (even if it is summoned in facedown DEF modeSummoned face-down).

* The AI...:** shows Shows signs of "knowing" face-down cards. , i.e. they it never attack attacks a set Set monster if it has higher DEF than their monsters its monster's ATK.** never Never attacks a monster with the highest ATK on the field even if they have it has an equally strong monster and would be able to attack with other monsters afterwards.**will Will [[Normal Summon]] "[[Slate Warrior (World Championship 2004)|Slate Warrior]]" in [[Attack Position]] and [[attack]] on the same [[turn]], even if your [[monster]] has an equal ATK. ** on On the turn after [[summon]]ing summoning "Slate Warrior", the AI will switch Slate Warrior it to [[Defense Position]], even if it's the strongest monster on the [[field]] and it would make sense to keep it in Attack Position.** only Only attacks an opponent's monster with equal or higher [[ATK]] in Defense Position (like i.e. "[[Spear Dragon (World Championship 2004)|Spear Dragon]]") when they have it has a monster with a [[piercing ]] effect.** activates (all of its) traps/spells Activates Spells and Traps like normal even while "[[Royal Decree Imperial Order (World Championship 2004)|Royal DecreeImperial Order]]"/or "[[Imperial Order Royal Decree (World Championship 2004)|Imperial OrderRoyal Decree]]" is are in play. They are all , each card activated being negated thoughas normal.** doesnDoesn't use their its "[[Mirror Force (World Championship 2004)|Mirror Force]]" as long as they have it has "[[Fairy Box (World Championship 2004)|Fairy Box]]" in play.** sometimes Sometimes only returns 1 of the opponent's monsters to their hand using "[[Penguin Soldier (World Championship 2004)|Penguin Soldier]]"** sometimes Sometimes uses their its "[[Mystical Space Typhoon (World Championship 2004)|Mystical Space Typhoon]]" on their selfits own cards.** Always [[Tribute SummonsSummon]]s, even if the tributed Tributed monster was stronger than the new monster.** Even Tribute Summons even when the tributed Tributed monster is the same monster as the new one.** tributes a Tributes face-down flip [[Flip effect monster ]] monsters without [[Flip Summon]]ing it first.** activates Activates "[[Monster Reborn (World Championship 2004)|Monster Reborn]]" in [[Main Phase 2]] even if they it would have won the [[Duel]] when using it before their the [[Battle Phase]].** does Does not hesitate to finish them self i.e. -destruct, such as by destroying a face-up opponent's "[[Black Pendant (World Championship 2004)|Black Pendant]]" while having less than 500 LP.** never uses their Never activates "[[Snatch Steal (World Championship 2004)|Snatch Steal]]"despite having it in hand.** often Often gets the correct outcome when it activates the effect of "[[Time Wizard (World Championship 2004)|Time Wizard]]".** uses Uses "[[Backup Soldier (World Championship 2004)|Backup Soldier]]" when its activation requirements are fulfilled even if they don't retrieve any monster no monsters can be retrieved from their graveyard the Graveyard at that time.** If a card effect would make one of the AI's monsters stronger than your highest-ATK monster, but the that monster is naturally weaker than the latter, the AI will still play it in Defense Position. However, it will switch the monster to Attack Position at the next opportunity.

{{Main|''Yu-Gi-Oh! Duel Monsters Expert 3'' Promospromotional cards}}

WC4-VideoGameENVideoGame-NA.jpg|North American English cover

*The Japanese version of this game uses the censored ''[[TCG]]'' card artworks instead of the Japanese''[[OCG]]'' artwork, except for some a select few cards.

[[Category:Yu-Gi-Oh! World Championship Tournament 2004| ]][[Category:Video games|World Championship Tournament 2004]]