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''Yu-Gi-Oh!'' ([[UntranslatedTitle Japanese for "King of Games"]]) is a multimedia franchise that includes multiple {{Anime}} and {{Manga}} series, a CollectibleCardGame, a line of VideoGames, and more.

Starting out as a [[Manga/YuGiOh manga by Kazuki Takahashi]] written in 1996, ''Yu-Gi-Oh!'' tells the story of Yugi Mutou, a put-upon teenager who is pulled into a world of intrigue and high-stakes gaming after solving the mysterious and ancient Millennium Puzzle. The puzzle, an artifact from ancient Egypt, grants Yugi a mysterious alter ego, an ancient gambler who spends much of the early series facing evildoers who threaten his friends in "Shadow Games," where mystic forces punish the wicked through games if they lose.

Slowly, the game used as an important plot device turned towards the trading card game ''Duel Monsters'' (''Magic & Wizards'' in the Japanese manga), which was eventually revealed to be loosely based on an ancient Egyptian Shadow Game played by the previous owners of the Millennium Items, and Yugi and his friends discover that his alternate personality was the spirit of a Pharaoh from those times, who had forgotten his memories. From then on, Yugi and his friends find themselves fighting for their lives in their search to uncover the Pharaoh's name and memories.

In 1998, it received an anime adaptation by Toei, which ended after 27 episodes and a movie.

In 2000, it received another anime adaptation headed by NAS and Konami, in which the card game aspect is [[MerchandiseDriven multiplied by ten]]. And became immensely popular worldwide, where it was [[CutAndPasteTranslation dubbed]] by Creator/FourKidsEntertainment.

Yugi's story was eventually completed, but the franchise continued in {{Spin Off}}s taking place in NAS and Konami's anime universe with new [[AnimeHair spiky-haired]] protagonists - the Shadow Games may be gone, but Duel Monsters [[WeirdnessMagnet still has a knack for channeling supernatural forces]].

The works in this franchise so far are:


[[folder:Anime and Manga]]
* ''Manga/YuGiOh'': The original ''Yu-Gi-Oh!'' manga by Kazuki Takahashi; see also the [[Recap/YuGiOhManga recap page]]
** ''Anime/YuGiOhFirstAnimeSeries'': The first anime series, adapting the first 7 volumes of the ''Yu-Gi-Oh!'' manga, produced by Toei. Commonly nicknamed "[[FanNickname season 0]]".
** ''Yu-Gi-Oh! The Movie'': A 30-minute movie by Toei. Heavily revolves around Duel Monsters in an attempt to help Bandai wrestle the license of the card game from Konami and promote their cards.
** ''[[Anime/YuGiOh Yu-Gi-Oh!: Duel Monsters]]'': Probably what you're looking for; the second anime that most people know ''Yu-Gi-Oh!'' by today. Loosely based on the rest of the manga, and sponsored by {{Creator/Konami}}; revolving around their version of the card game to ensure their domination of the card game license.
** ''Manga/YuGiOhR'': Non-canon manga-only spinoff right after the Battle City arc, dealing with a plot to resurrect Pegasus.
** ''Anime/YuGiOhCapsuleMonsters'': Anime-only mini-series set before the Millennium World arc.
** ''Anime/YuGiOhTheMoviePyramidOfLight'': Movie that takes place in an alternate version of the second anime series' continuity. Yugi and Kaiba duel once more, but Anubis lurks behind the scenes.
** ''Anime/YuGiOhTheDarkSideOfDimensions (2016)'': A ''Yu-Gi-Oh!'' film taking place six months after the manga's continuity in Japan and after the anime in the West. The movie is written by Kazuki Takahashi and premiered in Spring 2016.
* ''Anime/YuGiOhGX'': First proper anime spin-off, starring Judai Yuki (Jaden in the dub). It focuses a lot, but not entirely, on Fusion Summonings.
** ''[[Manga/YuGiOhGX Yu-Gi-Oh! GX]]'': Radically different manga [[AnimeFirst adaptation]] of GX, although with the same characters.
* ''Anime/YuGiOh5Ds'': Second anime spin-off, starring Yusei Fudo and Riding Duels (Turbo Duels in the dub). It introduces Synchro Summoning, which becomes the main focus of the duels.
** ''Manga/YuGiOh5Ds'': Radically different manga adaptation of ''5D's'', but with the same characters.
** Anime/YuGiOhBondsBeyondTime: A three-way team-up between the ''Duel Monsters'', ''GX'', and ''5D's'' protagonists. Ties into ''5D's''' plot through its villain, who comes from that series' BadFuture.
* ''Anime/YuGiOhZEXAL'': Third anime spin-off, starring Yuma Tsukumo and Astral, with augmented-reality duels in place of the usual holograms. It introduces Xyz Summoning, which becomes the main focus of the duels.
** ''[[Manga/YuGiOhZexal Yu-Gi-Oh! ZEXAL]]'': Manga adaptation that came first, followed a similar story to the anime but it split off into its own story.
** ''[[Manga/YuGiOhDTeamZEXAL Yu-Gi-Oh! D Team ZEXAL]]'': Second manga, unrelated to the anime or manga. All characters are featured in a SuperDeformed style.
* ''Anime/YuGiOhArcV'': Fourth anime spin-off, debuted spring 2014 and starring Yuya Sakaki and Action Duels. It introduces Pendulum Summoning, but unlike the other spin-offs, all advanced Special Summonings share the spotlight.
** ''Manga/YuGiOhArcVTheStrongestDuelistYuya'': A manga for young kids. Just like "D-Team ZEXAL", all characters are featured in a super deformed style.
** ''Manga/YuGiOhArcV'': Second manga for Arc V. Just like the other spinoffs, it features a different story from the anime.
* ''[[Anime/YuGiOhVRAINS Yu-Gi-Oh! VRAINS]]'': Fifth anime spin-off, will debut [[Spring2017Anime Spring 2017]] starring Yusaku Fujiki and Duels on skateboards with virtual reality. It introduces Link Summoning.

[[folder:Card Game]]
* ''[[TabletopGame.YuGiOh Yu-Gi-Oh!]]'': for the card game, TCG and OCG.
* [[UsefulNotes.YuGiOh Useful Notes]]
* Characters.YuGiOhCardGame
* [[Metaplot/YuGiOh Metaplot]]
** [[Metaplot/YuGiOhHiddenArsenal Duel Terminal/Hidden Arsenal]]
* [[Trivia/YuGiOhCardGame Trivia]]
* [[WMG/YuGiOhCardGame Wild Mass Guessing]]
* [[YMMV/YuGiOhCardGame Subjective Tropes]]

[[folder:Other Real Life Games]]
* ''[[TabletopGame/YuGiOhCarddasVersion Yu-Gi-Oh! (Carddas Version)]]'': the card game based on the ''Anime/YuGiOhFirstAnimeSeries'', released by Bandai.
* ''TabletopGame/YuGiOhDungeonDiceMonsters''
* ''TabletopGame/YuGiOhCapsuleMonsters'': A short-lived board game released by Creator/{{Mattel}}, very loosely based on the Capsule Monster Chess game from the manga.
* Konami's early promotional card bundled with their video games and starter boxes, made to be more accurate to the manga cards than the ''Carddas'' version, in an attempt to conquer the Duel Monsters license (it succeeded). This first group of cards resemble the manga version of the card game more than their finalized version of the TCG/OCG ([[http://i23.photobucket.com/albums/b399/PrinceAlexandros7/Back-GBS1.png right up to the card backings]]), and their [[http://img594.imageshack.us/img594/5771/starterdecksb2jp.jpg starter box]] included six Star Chips and a deck holder to compete with Bandai's promotional movie set.
* Various other companies were known to have produced their own versions of the Duel Monsters card game while the Toei anime was still airing. They didn't do as well compared to Bandai and Konami.

[[folder:Video Games]]
* For ''Yu-Gi-Oh!''
** ''Yu-Gi-Oh! Monster Capsule Breed & Battle''
** ''VideoGame/YuGiOhMonsterCapsuleGB''
** ''VideoGame/YuGiOhCapsuleMonsterColiseum''
** ''Yu-Gi-Oh Dungeon Dice Monsters''
** ''Yu-Gi-Oh! Duel Monsters'' series:
*** ''Yu-Gi-Oh! Duel Monsters''
*** ''Yu-Gi-Oh Duel Monsters II: Dark Duel Stories''
*** ''VideoGame/YuGiOhDarkDuelStories'' (''Duel Monsters III: Tri-Holy God Advent'' in Japan)
*** ''Yu-Gi-Oh! Duel Monsters IV: Battle of Great Duelist'' (Yugi, Kaiba, and Jonouchi versions)
*** ''Yu-Gi-Oh! Eternal Duelist Soul''
*** ''Yu-Gi-Oh! Duel Monsters 6: Expert 2''
*** ''Yu-Gi-Oh! Worldwide Edition: Stairway to the Destined Duel''
*** ''VideoGame/YuGiOhTheSacredCards''
*** ''Yu-Gi-Oh! World Championship Tournament 2004''
*** ''VideoGame/YuGiOhReshefOfDestruction''
*** ''Yu-Gi-Oh! 7 Trials to Glory: World Championship Tournament 2005''
** ''VideoGame/YuGiOhForbiddenMemories''
** ''Yu-Gi-Oh! Destiny Board Traveler''
** ''VideoGame/YuGiOhTheDuelistsOfTheRoses''
** ''VideoGame/YuGiOhTheFalseboundKingdom''
** ''VideoGame/YuGiOhPowerOfChaos Series:''
*** ''Yu-Gi-Oh! Power Of Chaos: Yugi The Destiny''
*** '' Power Of Chaos: Kaiba The Revenge''
*** ''Yu-Gi-Oh! Power Of Chaos: Joey The Passion''
** ''VideoGame/YuGiOhNightmareTroubadour''
** ''VideoGame/YuGiOhDuelLinks''
** ''Yu-Gi-Oh! Duel Monsters Ultimate Card Battle''
* For ''Yu-Gi-Oh! GX''
** ''Yu-Gi-Oh! Ultimate Masters: World Championship 2006''
** ''Yu-Gi-Oh! GX: Duel Academy''
** ''VideoGame/YuGiOhGXSpiritCaller''
** ''Yu-Gi-Oh! GX Card Almanac''
** ''World Championship Series:''
*** ''Yu-Gi-Oh! World Championship 2007''
*** ''Yu-Gi-Oh! World Championship 2008''
** ''[[VideoGame/YuGiOhTagForceSeries Tag Force Series]]'':
*** ''Yu-Gi-Oh! GX Tag Force'' (Rereleased as ''Tag Force Evolution/The Beginning of Destiny'' on [=PS2=])
*** ''Yu-Gi-Oh! GX Tag Force 2''
*** ''Yu-Gi-Oh! GX Tag Force 3''
* For ''Yu-Gi-Oh! 5D's''
** ''Yu-Gi-Oh! 5D's Duel Transfer'' (''Yu-Gi-Oh! 5D's Master of the Cards'' in Europe)
** ''Yu-Gi-Oh! 5D's Decade Duels'' (Rereleased as ''Decade Duels Plus'')
** ''Yu-Gi-Oh! 5D's Wheelie Breakers''
** ''Yu-Gi-Oh! Duel Terminal''
** ''Tag Force Series:''
*** ''Yu-Gi-Oh! 5D's Tag Force 4''
*** ''Yu-Gi-Oh! 5D's Tag Force 5''
*** ''Yu-Gi-Oh! 5D's Tag Force 6''
** ''World Championship Series:''
*** ''Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator''
*** ''Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia''
*** ''Yu-Gi-Oh! 5D's World Championship 2011: Over The Nexus''
* For ''Yu-Gi-Oh! ZEXAL''
** ''Yu-Gi-Oh! ZEXAL World Duel Carnival''
* For ''Yu-Gi-Oh! ARC-V''
** ''Yu-Gi-Oh! ARC-V Tag Force Special''
* Others
** ''Yu-Gi-Oh! Duel Terminal''
** ''VideoGame/YuGiOhBAM'' - a Facebook/mobile game by FRIMA.
** ''Yu-Gi-Oh! Millennium Duels''
** ''Yu-Gi-Oh! Duel Arena''
** ''Yu-Gi-Oh Duel Generation''
** ''Yu-Gi-Oh! Legacy of the Duelist''
** Upcoming [=PS4=] game
** Upcoming PC game

There's also [[DrinkingGame/YuGiOh a drinking game]]. This is the same ''Yu-Gi-Oh!'' that spawned ''[[WebVideo/YuGiOhTheAbridgedSeries Yu-Gi-Oh! The Abridged Series]]''.

!! The entire franchise, or multiple entries, contain examples of:
* AbsurdlyHighStakesGame: In the manga and anime, games (especially of the Shadow Game variety) are regularly played with lives at stake, up to and including all life. In the anime adaptations and spin-offs, the Duel Monsters card game can have pretty high stakes even without Shadow Game magic.
* AerithAndBob: It comes and goes, particularly in the 4Kids dubs. In the second series anime for instance you have characters like Joey, Tristan and Solomon hanging out with Yugi, Seto and Bakura. ''5Ds'', in both versions, gives us Yusei and Aki alongside names like Jack, Crow, and Rex.
* AlternativeForeignThemeSong: As usual for 4Kids, the anime universally has different openings.
* AncientEgypt: The first series anime and the entire manga states that Shadow Games in general, most notably Duel Monsters, began in Ancient Egypt, with sorcerers and priests battling using monster spirits entombed in stone. The anime-only spin-offs by NAS and Studio Gallop contradict this manga canon by explicitly showing that [[SequelEscalation Duel Monsters has existed far before that and is central to the existence of the multiverse]], probably to justify the supernatural centering around that one card game, even after the Millennium Items and their Shadow Game magic were long gone.
* AnimationBump: Franchise-wide with the anime, important episodes or cards get extra love from the animators, though there are exceptions.
* AnimeHair: The franchise can easily be considered the TropeCodifier, or at least, the first anime of the franchise is usually the first thing people think of when they think this trope. Just how crazy the hair can get at times varies from series to series though. The original anime had Yugi's trademark hair style and a few others while ''GX'' generally had more toned down hair styles by comparison. ''5Ds'' has an equal balance of crazy and reasonable, while ''ZEXAL'' has hair styles that are pretty crazy ''[[UpToEleven even by the franchise's usual standard]]''. ''ARC-V'' takes the middle ground. The styles are generally more toned down compared to ''ZEXAL'', but [[YouGottaHaveBlueHair multi-color hair]] is all over the place. ''VRAINS'' seems to be shaping up to have largely (Yusaku notwithstanding) normal styles, but compensating by giving this to the Link VRAINS Avatars.
* ArtEvolution: One major bit of art evolution across the anime series is how the card backs were depicted. Originally they were simply brown backs with gold borders and a black oval in the center, but starting with ''ZEXAL'' the depiction was altered to include swirls around the oval, looking more like the real-world card backs without replicating them exactly.
* ArtifactTitle: The original manga focused on the protagonists playing many different types of games with each other: that's why "Yu-Gi-Oh" translates as KingOfGames, as in all games, not just Duel Monsters. Additionally, the main hero was named "Yugi" to further draw back to this title, and the title "King of Duelists" was the title he won for beating Duelist Kingdom; the dub changed this to "King of Games" as another nod to the title. Each subsequent spin-off has further distanced itself from these concepts; ''GX'' still had Yugi as a famous duelist and ''5D's'' had Jack as the King of Turbo Duelists (a MythologyGag that was cut from the dub) before he lost the title to Yusei. Since ''5D's'' though, the franchise name has little relevance to the franchise itself any more.
* AscendedExtra: Believe it or not, Pot of Greed. It had a grand total of ''one'' appearance in the original manga, but was an absolute staple in the ''DM'' and ''GX'' animes and the card game until its banning.
* BecauseDestinySaysSo: Played with back and forth. Generally, following destiny depends on if the hero decides they're alright with doing so, and if they aren't, they will find a way to change it.
** ScrewDestiny: See above description -- if the heroes decide the destiny set for them stinks, they'll change it.
** YouCantFightFate: You can if you're one of the heroes, villains on the other hand have a problem with this.
* BrainsEvilBrawnGood: Inverted. While it isn't ''always'' applicable, generally the heroes rely on strategy and are underdogs with weaker cards, while their enemies have powerful cards that overwhelm them until the hero outsmarts them and wins. This is most often apparent with the rivals -- Yugi, Judai, and Yusei, rely on strategy and cunning, while Kaiba, Kaiser and Manjoume (at first), and Jack, rely on brute power.
* BrainwashedAndCrazy: There's so many people out there committing MindRape it should be made a criminal offense, because every series has a lot of this trope going on.
* BreakoutCharacter:
** Pegasus was a major character in the second series anime and manga. In the manga, he died after Duelist Kingdom, but in the anime he came back for a FillerArc, got to be the BigBad of a video game, made a few cameos in ''GX'', and got a MythologyGag about him in ''[=5D's=]''. Someone sure liked the guy.
** Seto Kaiba. Playing a secondary role in the manga, in the anime he's basically bumped up to a pseudo-deuteragonist, especially in filler arcs and being shoehorned into the final arc, ''and'' still has a significant presence in the anime spin-offs. All of this at the cost of demoting Ryo Bakura from a main character in the manga to a minor character in the anime series... probably because he was obsessed with tabletop role-playing games more than card games, so Kaiba might have been more marketable to Konami. Rumor has it that he got so much screentime at Bakura's expense because the anime director didn't like Bakura as a character or think he had a purpose in the story (other than as Dark Bakura). No confirmation if this is true or not.
** Outside of Dark Magician and the Blue-Eyes White Dragon, the trademark monsters of Yugi and Kaiba, the Dark Magician Girl is easily the most recognizable card of the franchise. She's the iconic MsFanservice with a ton of fanart and doujinshi, and got to be playable in a few video games.
* BreakTheHaughty: You can be sure that any time the hero has a rival who's too smug and arrogant for their own good, they'll be taught a harsh lesson in humility sooner or later. Subverted by Kaiba, as while he does get broken a few times, it never sticks.
* BuxomIsBetter: As seen [[http://fc07.deviantart.net/fs70/f/2015/039/2/a/ygo_girls_by_xbrain130-d8h5njp.png here]], up to the [[Anime/YuGiOh5Ds third series]] the main female character had a larger chest size than the previous. Then came [[Anime/YuGiOhZEXAL the fourth series]], which averted it by having the main girl be a (nearly) flat 13-year-old. The trend seems to be starting again with [[Anime/YuGiOhARCV the fifth]] girl, however, but [[Anime/YuGiOhVRAINS the sixth girl]] [[{{Bifauxnen}} may or may not]] [[GoldenSuperMode play this straight]].
* CallingYourAttacks:
** Not so much in the manga, as the Duel Monster card text is written plain for readers to read, but in the anime, pretty much ''every'' time a card is played, even if it's a card seen every time the main hero duels, its effect will be explained. This even gets played with sometimes to AsYouKnow, with the opponent lampshading that as professional duelists they know what the cards do, and then explain it themselves.
** Universally, if any game involves Monster Battling (which obviously includes Duel Monsters), characters will do this the traditional way when ordering monsters to attack.
* CardGames: A few of them in the original manga, including Duel Monsters. And in the second anime series and spin-offs, Duel Monsters is one that regularly decides the fate of the world.
* CatchPhrase: The summon chants, which are most prominently featured since the start of ''5D's'', are basically catch phrases for most characters until today.
* CCGImportanceDissonance: Many of the cards the heroes rely on to win them duels are considered JunkRare in real-life, while cards that are rare and valued in the real world may not even be featured. However, there are exceptions.
** Cyber Dragon and his variants, during the time of ''GX'', were a staple card that almost everyone ran three of, and the prices for the Cyber Dragon cards could get into the triple digits. After ''GX'' the game simply evolved to the point Cyber Dragon wasn't as useful anymore.
** Yusei's Synchrons. While a few of them are gimmicky, overall it's proven to be a pretty solid archetype in its own right, even in today's PowerCreep, with a few Synchrons being staples of many Synchro heavy decks, especially Junk Synchron.
** Completely smashed in ''ARC-V'' by Yuya's Performapals. While it got help from its sister archetype, the Performages, Performapals became a prominent and powerful meta deck that the April 2016 ban list had to target to take down a peg.
** D/Ds in the OCG as well, though the timing of their release in the TCG playing this stright.
* CerebusSyndrome: [[ZigZaggingTrope Zig-Zagged]]. The various series tend to start out light-hearted but the villains and storylines will often run towards DarkerAndEdgier as they progress. However, the protagonists will typically keep their upbeat nature throughout, save for a few {{Heroic BSOD}}s and the odd brush with the DespairEventHorizon.
* ChekhovsGun: Within Duel Monsters battles, although the fact that we rarely see the characters' entire decks allows players to bring out a previously unseen card to turn the game around, pay close attention when a character specifically singles out or is shown acquiring a new card before a duel. It's bound to be important in the upcoming match. And if they have to discard to the Graveyard, if the shot pays attention to what they discarded, so should you, you'll likely be seeing that card again later.
* CollectibleCardGame: ''Duh''. Ironically we very rarely see characters actually buy new cards, and when they do it's usually due to the above trope, otherwise they are implied to have a large collection on-hand already or pull their new cards from thin-air. Justified in the second series anime, Yugi's grandfather owns a game shop that sells the cards and Kaiba is a child billionaire, so they'd have access to new cards regularly and easily be able to grab choice ones. No such justification is given in the spin-offs. (However, Judai and Yusei investing so much time and money to children's trading cards would make sense, as they control the fate of the world/campus/city. Therefore it would make sense for Judai and Yusei to invest in new cards.)
** A few episodes of GX show that DA has a game store on-campus for the students that regularly receives new stock, but we don't actually see Judai buying anything from it except that one time.
* ColorCodedElements: Since ''ZEXAL'', the six Attributes are colored in six different colors: yellow for LIGHT, purple for DARK, red for FIRE, blue for WATER, green for WIND and brown for EARTH. Whenever monsters overlay, they shine in one of those colors representing their current Attribute. The Overlay Units of an Xyz Monster have the color of the Xyz Monster's Attribute.
* CosmicChessGame: Most blatant in the Millennium World arc of the original manga and the second series anime, where the characters play a tabletop RPG with pieces directly based on real people (though the tabletop aspect is somewhat... removed in the anime). However, the spin-offs regularly have an EldritchAbomination using Duel Monsters as the instrument through which to enact its plan.
* DefeatMeansFriendship: The best way to make friends in the world of ''Yu-Gi-Oh!'' is to beat them in a game. At the worst, they'll become your JerkWithAHeartOfGold [[TheRival Rival]]. This was how Yugi made several of his friends in the original manga, a tradition which isn't broken in its two anime adaptations and subsequent spin-offs.
** At least until ''ARC-V'', which [[ZigzaggedTrope zigzags]] between playing it straight (twice when the opponent changes his ways due to the audience's behavior instead of the hero's and once when the opponent reverts to his old personality before he became a FallenHero) and averting, mocking, or having villains exploit it. Then it's played straight again.
* DeusExMachina: You could make a drinking game out of all the times the hero draws a never-before-seen card as he's losing and it happens to do exactly what he needs to do to win. But playing it is only advised if you ''want'' to destroy your liver, and even then, stay away from the spin-offs if you want to survive it.
* DidDoTheResearch: Though occasionally the exact details are fuddled (which is mostly on the anime's behalf of artistic liberties), the mythological concepts explored throughout the franchise show that someone obviously did their homework.
* DisappearedDad: ''[=5D's=]'', ''ZEXAL'', and ''ARC-V'' all have plots involving the protagonists' missing fathers.
* DubNameChange: Courtesy of 4Kids, both characters and cards. Konami is guilty of this too.
* DuelsDecideEverything: As lampshaded by ''The Abridged Series'':
-->'''Rare Hunter:''' We're here to take your rarest card! \\
'''Joey:''' You mean you're gonna kick the crap out of me and steal it? \\
'''Rare Hunter:''' No! First we're going to challenge you to a children's card game! Then we will kick the crap out of you and steal it! \\
'''Joey''': Wouldn't it be much easier just to skip the first step? \\
'''Rare Hunter''': Yes! Yes it would!
** This results in a very amusing exchange in ''GX'' when Judai challenges Saiou to a duel, but Saiou has been savvy enough to find out how to execute his plan ''without'' having to duel him, and Judai is at a loss for what to do. He ends up dueling Judai anyway, but only because circumstances he didn't expect force him to.
** Taken to its LogicalExtreme in Anime/YuGiOhArcV, though it's a bit more justified in that the HardLight setup of most duels makes a pretty awesome tool to [[{{Deconstruction}} wage war with or seriously harm others]], and it's later revealed that conventional weaponry can't affect a Solid Vision construct.
* EarlyInstallmentWeirdness: You may be surprised to learn that the original manga was about games and wasn't ''particularly'' focused on Duel Monsters (outside of two big plot arcs), it was just one game of many that was played, but it was the one that took off and eventually consumed its subsequent adaptations and successors. Thank Konami for that!
** Extending things forward a bit, ''GX'' has a lot more tie-ins with the original series than the later entries in the franchise have with any of the previous ones, including appearances by characters such as Yugi, Kaiba, Pegasus, and the Paradox Brothers.
* ExactlyWhatItSaysOnTheTin: A lot of the cards, like "Red-Eyes Black Dragon," "Man-Eating Treasure Chest" and "Dark Magician," just to name a few. Some cards don't have "names" as much as brief descriptions, such as "Giant Turtle Who Feeds On Flames", with FlavorText that is pretty much the same as the card name.
* ExactWords: Very often in the real card game, exact wording on cards determines a lot -- for one example of countless, a card that says "discard this card to the Graveyard" instead of just "discard this card" can't be used if some card is in play that would prevent it from being sent to the Graveyard when discarded. This pops up in the manga and anime too, with characters finding loopholes in card effects their opponents didn't expect and using it to turn the tide of the duel. For example, there's Judai using Elemental Hero Necroshade's effect in spite of Necrovalley's effect (Necrovalley stops effects that target cards in the Graveyard from use), because Necrovalley doesn't stop effects coming ''out'' of the Graveyard.
* FieldPowerEffect[=/=]GeoEffects: Field Spells, which affect both sides of the field and there can only be one in play. The earliest ones gave a power boost to specific types of monsters, later ones have more creative effects like banishing cards or letting you play cards for lower costs than normal. In the first season of the second series anime, before actual Field Spells came into the game, duel arenas already had field terrain depending on the physical location of the arena, and thus placing monsters on favorable terrain and using card effects to modify the terrain was important strategy.
* GagDub: ''Yu-Gi-Oh! The Abridged Series'', TropeCodifier and TropeMaker for the genre.
* GenericistGovernment: World governments don't really exist in any serious or influential capacity, and actual military and police forces are sparsely seen but usually fall under the same banner. When ''The Abridged Series'' declared "card games are the only law!", they weren't exaggerating all that much. ''ARC-V'' goes so far to have Leo and Reiji forming literal armies of duelists to wage interdimensional war, and at no point are the actual government or military even mentioned.[[note]]It is later clarified that only Solid Vision can harm something made of Solid Vision.[[/note]] Not to mention the City in the Synchro Dimension is a socio-economic nightmare where the equivalent of their police force runs the city as a SocialDarwinism dystopia that uses slave labor to maintain itself, and no outside forces care to do anything about it, if such groups even exist.
* GratuitousEnglish: All over the place, most commonly with game terminology and card names. This is the reason for the "Doro! Monsta Cardo!!" (Draw! Monster card!) meme in the Japanese fandom. "Ore no turn!" (it's my turn!) is a common one too.
* HamToHamCombat: Sometimes you'd think the real conflict going on during duels is the voice actors (especially in the dubs) trying to out-ham each other. There's a lot of shouting and posturing going on franchise-wide, and the higher the stakes, the larger the hams.
* HeartIsAnAwesomePower: If you have friends and believe in yourself and your cards, anything is possible. Up to and including new cards appearing on top of your deck via divine intervention, and your deck shuffling itself off-camera so the exact card you need is on top.
* IconicItem: Another trend in the anime protagonists - the ones in ''Duel Monsters'', ''ZEXAL'', and ''ARC-V'' all have some sort of magically-empowered pendant that kicks off the plot.
* IdiotBall: Here's a drinking game -- watch the anime series and take a drink every time a duelist makes a move and doesn't notice the opponent has countered it until it's too late. Blame RuleOfDrama, since apparently if it'll make for a dramatic twist then duelists can activate cards without announcing such (ie, Isis activating Blast Held By A Tribute to "secretly" infect Obelisk without ever announcing she activated it). In the real card game every action must be announced, and the target of that action announced if it targets, then your opponent is given a chance to respond with an action of their own, and when players are done chaining to the last move the combo resolves backwards step by step. And if a player passes on responding they don't get to rewind and change their minds once the other player responds. Judges definitely pay attention to this both ways, unlike the anime characters who would regularly be disqualified if they tried this type of trick.
* InvincibleHero: A universal and recurring problem, for each hero you can count on one hand the number of times they actually lose, and if they do it's probably in a minor game with nothing important on the line. The first protagonist's whole gimmick was that he was the ''King of Games'', meaning that you'll be hard-pressed to see him lose ''any'' game let alone Duel Monsters. Yusei played it ridiculously straight; he technically only lost ''once'', and not only was that in a flashback, but he defeated that opponent later.
** On the other hand, this makes for a very effective and surprising twist when they ''do'' lose, and a dramatic and plot-important loss happens at least once a series, possibly more.
** Starting from ''ZEXAL'', this trope has gradually begun to be phased out, but plays it straight again in ''ZEXAL II''.
* ItIsPronouncedTroPAY: ''ZEXAL'' has a silent X and it is pronounced "zeal" (at least in the Japanese dub; in English it's pronounced exactly the way it looks). ''ARC-V'' is pronounced "arc five", the "V" being a Roman numeral.
* JerkWithAHeartOfGold: It's pretty much a requirement for the hero's rival to be a snarky and arrogant elitist who is really a good person deep down. The exact balance of Jerk to Heart varies, of course.
* LethalJokeCharacter: All over the place. Possibly most famous are the Ojamas, which have 0 ATK and only 1000 DEF, absolutely silly and ridiculous card art and are treated like {{Butt Monkey}}s in other card art, but with their support cards they can be very dangerous. They won't be so laughable anymore when the Ojama King is bearing down on you, using his effect to keep you from playing more than two monsters at a time, and Ojama Country is in play to turn his 3000 DEF into 3000 ''ATK''.
* LetsFightLikeGentlemen: Zigzagged. On the one hand, antagonists mostly abide by the rules of the card game and when they lose, they lose. On the other hand, many of them will still cheat at the card game in various ways. The largest act of defiance of this trope is Siegfried Schröder, who went so far as to hack the Kaiba Corp card database to recognize an illegal card, and reprogrammed its effect to be ridiculously overpowered (it forces the opponent to discard ''half their deck'' each turn, and that's the tip of the iceberg).
* LetterMotif: All the anime protagonists have names starting with "Yu": Yugi, Yusei, Yuma, Yuya, and Yusaku. The outlier is Judai, but even he has "Yuki" as a last name. The "Yu" also appears a lot in ''ARC-V'', due to Yuya's counterparts and his father sharing the trend.
* LetteredSequel: The second anime has ''GX'' which doesn't carry that much meaning (it is supposed to be Generation Next) and then the manga sequel has ''Yu-Gi-Oh R!''. While the rest of the sequels are [[WordSequel word sequels]], it is interesting to note that the sequel titles are all written in uppercase.
* LighterAndSofter: Universally, the anime is very much this trope compared to the manga, ''especially'' the original 38 volumes.
** ''5D's'' was the first notable aversion, with quite a bit of GratuitousViolence thrown about that wasn't too far below the manga.
** ''ARC-V'' has become the other notable aversion. Despite lacking the manga's gore, the themes it explores are just are dark as the original manga at times.
* LongRunnerTechMarchesOn: Every anime series expands on the technology used to duel and develops it further:
** The original ''Duel Monsters'' has Battle Boxes, glass boxes that encase a table and chairs where small miniature holograms are projected onto the playing cards placed on the table. This eventually advanced into Duel Arenas, play fields where cards are played on a playing surface and large holograms of them appear in the arena, and eventually the Duel Disk, a portal holographic emitter worn on the arm so you can duel using the Solid Vision technology anywhere. The Duel Disk in turn goes through a prototype phase before being refined into the familiar design incorporating a card tray that Kaiba mass produced for Battle City.
** ''GX'' has progressed to the point Duel Disks are mass produced and everyone owns one, and the Duel Disks have a much more streamlined and compact design as well. Customized Duel Disk designs exist but are mostly confined to the rich and/or influential, otherworldly beings notwithstanding.
** ''5D's'' has Momentum/Ener-D technology and the D-Wheel, which allow dueling at high speeds. The Disks incorporate the features to automatically eject cards from the deck for drawing or search effects, and will shuffle the deck when appropriate. Customized Duel Disk designs are commonplace, and some are designed to be compatible with D-Wheels, able to attach and detach from them for Riding Duels or Ground Duels as needed.
** ''ZEXAL'' has Duel Pads which are similar to real-life tablet computers and smartphones, with touchscreen controls, phone systems, an the ability to access the internet, including all that this entails. The touchscreen displays also allow duelists to directly view cards in play including their stats and effects. Duel Gazers are an add-on and allow for Augmented Reality Duels where monsters appear to interact with the environment.
** ''ARC-V'' has their Duel Disks look pretty much exactly like real-life tablet computers, just with a slot in the side for the deck to insert into. These disks have no card trays, and instead project HardLight surfaces the duelists place cards on. Buttons to control the device seem entirely forsaken in favor of voice commands and/or touchscreen prompts. Solid Vision technology has further evolved to allow duelists to directly interact with the holograms, allowing for Action Duels where the duelists run about fantastic fields interacting with their monsters.
* LullDestruction: All the time in the dub, scenes are often edited to remove silent moments or dialogue is added, usually exposition or generic taunts.
* MagicFromTechnology: Even in series without magic, the Solid Vision systems and VR might as well be magic in how monsters are "alive" and interact with opponents. ''The Dark Side of Dimensions'' accentuates this, as Kaiba is able to use his technology to magically transcend dimensions and counter actual magic.
* TheMagicPokerEquation: It'd be easier to note times when duelists ''didn't'' have just the cards they needed to pull off whatever precise combo they need.
* MagicalIncantation: Characters uses individual summon chants when summoning powerful monsters, starting from ''5D's'' (even prior in dubs of previous series). The summon chant adds a little bit of dialogue during the summoning sequence and describes the character of the duelist and/or the monster. The incantations are not necessary at all, but summoning monsters without the chants makes the sequences rather dull.
* {{Magitek}}: Magic has been part of the franchise since Day 1, but as things have progressed the line between magic and technology has blurred to the point they're indistinguishable, and from ''5D's'' on the series pretty much stopped differentiating between the two. In ''ARC-V'' Action Duels let players interact with their monsters and suffer real damage from attacks, and duelists can seal their defeated opponents in cards. ''Duel Monsters'' had these same elements, but there they were done with magic, while in ''ARC-V'' it's technology.
* MerchandiseDriven:
** Not much the original 37 volumes of the manga, but what subsequent series became after that with the existence of the real life card game. Why do you think one-shot characters with new deck archetypes keep popping up and the heroes produce new cards out of nowhere to fight them? Most obvious in ''[=5D's=]'' with Crow, who was intended as a minor character, but was made more prominent when his Blackwings cards started flying off the shelves. Also played with in that the real-life card game has plenty of cards you'll never see in the anime or manga.
** Starting with ''[=5D's=]'', each anime series hypes up a new summoning mechanic for the card game. ''ARC-V'', while introducing Pendulum Summoning, does a decent job of giving all the summoning mechanics equal spotlight.
* MulticoloredHair: A requirement for the main hero, with Yugi and his starburst of black, red and blond reigning supreme. Downplayed with Judai, who has brown hair in two different shades. Since ''ZEXAL'', even the side characters have these kind of hair.
* MundaneMadeAwesome: Practically all the games that were in this series. You would be amazed how epic a children's card game can be when it's played in a holographic arena, in a stadium full of cheering fans, being broadcast on national television, for a championship title.
* MsFanservice: Each series has at least one female protagonist. While dueling skill varies, shapely bodies and outfits to show them off are a consistent (this trope has been averted with [[Anime/YuGiOhArcV Yuzu Hiiragi]], though). And then there's the Dark Magician Girl, the living incarnation of this trope for the franchise. Numerous other female Duel Monsters are quite nice to look at too.
* MyLittlePanzer:
** PlayedWith. In the hands of innocent children, games are harmless fun. In the hands of an ego-maniacal madman bent on murder and destruction, it's their instrument to do the job. But it's usually because they have access to ancient evil magic, the games, themselves, most notably Duel Monsters, are only dangerous to your [[CrackIsCheaper bank balance]].
** In all universes of Yu-Gi-Oh!, Duel Monsters seems to be the equivalent of Magic The Gathering.
** It reaches its LogicalExtreme in ''[[Anime/YuGiOhARCV ARC-V]]'', where the HardLight setup of most duels essentially makes ''every'' Action Duel a Shadow Game from ''[[Anime/YuGiOh Duel Monsters]]''. Sora ended up getting sent to the infirmary after his duel with Kurosaki, and the Fusion Dimension uses it to wage war with the other dimensions. Despite this, there's no age limit for children to compete in Action Duels, though there at ''least'' seems to be some safety precautions with extremely young Duelist, such as making so they can only duel in extremely well padded areas. (Though, this does not stop the damage certain monster cards can cause.)
* NewPowersAsThePlotDemands: See DeusExMachina above. In addition to duelists pulling new cards from nowhere, often cards will demonstrate new effects from nowhere with the flimsy HandWave that it always had that effect and the duelist just didn't use it until now. In a meta sense, because the writers need to keep their hands full of cards so the duelists can play, there are many cards created just for the purpose of letting duelists draw more cards. This is most obvious with "Card of Sanctity", which has all players draw until they have six cards in their hands -- you can be sure that when it gets used, they each probably had one or two beforehand.
* NewRulesAsThePlotDemands: Mostly averted, while the above trope is prolific, the rules of the card game are set in stone. New game mechanics like Synchro Monsters and Tuners are usually just introduced to keep the game interesting and new, and never works just as a means to let the heroes win.
** Played straight in Season 1 of the second series anime since the game's rules weren't clearly defined yet. Once they were, they stayed that way with only a few slip-ups.
** While the normal card game's rules are static, there's never been any clear definition for how 2-on-1 or 3-on-1 duels work, and as such they vary as needed. Sometimes the lone duelist gets one turn in-between each of the team's turns, other times they get more Life Points, and in one instance, they got to draw a larger opening hand. Other times though, they get no advantage at all. Sometimes the handicapped player announces what handicap they will be receiving, other times everyone just silently agrees on the rules without discussing them openly. Tag team duels also have some flexible rules at play regarding how teammates can interact with each other's cards, and sometimes teammates share a single Life Point total, or keep their own separate totals.
* NoHuggingNoKissing: Most romances are only implied with ShipTease at most, and those that ''are'' [[OfficialCouple indisputably canon]] are usually between minor or {{backstory}} characters. However, recently they've been letting up on this. Both ''ZEXAL's'' anime and manga ended with confirmed ships (and a homosexual ship even in the manga) and ''ARC-V'' pushes certain pairings well into the foreground to the point where said relationships are very plot-relevant.
* NoKillLikeOverkill: Often a duelist will be able to win just fine by making a simple play like summoning a monster and attacking, no need to summon five monsters at once or power those monsters up to thousands of ATK. But where's the fun in that?
* NotJustATournament: Any time there's a TournamentArc, you can bet the finals will be for the fate of the world. The second-series anime lampshaded in a FillerArc how nice it is to compete in a tournament for fun without worrying about a villain. [[TemptingFate Naturally a villain showed up]] in the form of Siegfried von Schröder, but he was a relatively harmless one after the likes of Dartz and Dark Marik. Granted, Siegfried still engaged in cyber-terrorism, corporate espionage, fraud, and [[ArsonMurderAndJaywalking cheating at Duel Monsters]], so his harmlessness is indeed relative.
* ObviouslyEvil: If we put all the villains of the franchise in a line-up, you'd be able to peg more than half of them as evil. Notable exception to the anime version of [[HydePlaysJekyll Dark Bakura]], who is very good at impersonating his harmless and meek host's appearance and mannerisms to avoid detection.
* OddlyNamedSequel: ''GX'', ''[=5D's=]'', ''ZEXAL''. While the names are odd, they have meaning inside each series. The GX was for "Generation Next", ''[=5D's=]'' for the Five Signer Dragons, and ''ZEXAL'' is the SuperMode the hero receives. ''ARC-V'' comes from the [[spoiler:machine that Leo Akaba intends to fuse the dimensions with and Zarc, the [[AntagonistTitle titular]] [[BigBad main antagonist]] of that series]].
* PatchworkFic: Many of the video games take elements from the manga and the anime and blend them together, ranging from eye and hair colors to characters and plot points.
* PersonalityPowers: Duelists often use deck themes that reflect their character, and their ace monsters particularly tend to symbolize them. ''ARC-V'' goes so far as to use this trope as {{Foreshadowing}}: Sora's Fluffal monsters split apart to reveal blades and demonic eyes when he fuses them into Death Toys, which reflects Sora himself and [[SociopathicSoldier hints at what's really under that smug child exterior]].
* PinballScoring: Monsters have ATK and DEF in incriments of 100, and cards that affect Life Points follow the same. Occasionally there's a card with an ATK or DEF ending in 50. Five cards from the first season of the second-series anime have cards ending in random increments of 10. This is because in the anime they were played during a duel where they had a 30% power boost and their original ATK and DEF were unshown, so the real-life versions got a 30% power loss, resulting in the odd values.
* PlotTumor: Possibly one of the finest examples in fiction. The original manga focused on many types of games at first, and Duel Monsters (Magic & Wizards) was only meant to appear in one chapter. Fans kept asking if there were real versions of those cards available and if the game would be revisited, which it was--without it the series would have been canceled very early on. The author realized that focusing on a single game allowed him to have more story focus, and so it became the focus of long story arcs in the manga, became the ''central'' focus of the anime, and snowballed until the entire franchise centers around it to the point where non-card games are very rare.
* ThePowerOfFriendship: This is the central concept of the entire franchise. The bonds of friendship and the power they have to make anything possible comes up all the time. No matter how powerful the villain is, they are helpless against a hero who has the support of his/her friends.
* RecurringCharacter: Tetsu Ushio, the first villain Yugi faced, seems to appear or is mentioned in [[http://everydayduelist.tumblr.com/post/115135723949/dragonpikachu-em-exceeds-change-zearu every series]].
* {{Reincarnation}}: All over the place, especially in the manga and second-series anime.
* RousseauWasRight: Regularly proven and defended by the heroes, and challenged by many villains.
* RuleOfSymbolism:
** A duelist's dueling style and even specific cards is often reflective of their personality. For instance, take ''[=5D's=]'' -- Yusei, who was raised in the slums and had to make a deck out of what cards he could scrounge, relies on combos of weak cards, while Jack, who believes in absolute power and cares for nothing but himself and his glory, relies on powerful monsters to smash through an opponent's defenses and overwhelm them.
** ''ARC-V'' even has a few scenes where some duelists physically beat the crap out of their enemies, and their fighting style kinda reflects their dueling style. Gongenzaka punches head-on and relies upon strength, while Kurosaki avoids taking direct hits and aims for the neck and weak spots of his opponents to OTK them.
* SadlyMythtaken: All over the place. For instance, did you know the Nazca Lines are actually the markings left from when ancient {{Eldritch Abomination}}s that manifested as giant animals were sealed in the earth? A mildly hilarious example happened with Scar-Red Nova, an Immortal from a then-non-existent serpent line, but a serpent line was later discovered.
* SeriousBusiness:
** If you haven't figured out this trope applies to the card game '''''big time''''', you haven't been reading very closely.
** In the original manga, this applies to gaming in general.
* ShownTheirWork: Pretty much any time there's a duel when the enemy is using a deck depletion strategy to win by deck-out, it almost inevitably comes down to the hero winning on their last turn after drawing the last card in their deck. If you trace the duel back to the first turn and track the cards played, usually the math does add up to them starting with 40 cards and having one left by the time the last turn comes.
* SlidingScaleOfFreeWillVsFate: Mostly a Type 3 or Type 4 -- while there is a definite hand of fate guiding actions, destiny is not impossible to change, and characters who believe in destiny can fulfill theirs while those that do not have the power to change it.
* SortingAlgorithmOfEvil: Typically, early antagonists are jerks and bullies, maybe they have some actual political or financial influence but not a lot. By the end of any given series, the fate of the world is in danger from an OmnicidalManiac or an EldritchAbomination, and usually there's going to be another one or more before the end of the series that's not as powerful as the last one coming up.
* {{Synchronization}}:
** Often between a duelist and their deck, less often between friends but it isn't uncommon.
** What the Synchro summoning mechanic is based on, with it requiring a tuner monster and a variable number of non-tuners whose total levels match up with that of the synchro monster you're trying to summon.
** ARC-V has [[spoiler:Yuya, Yuto, Yugo and Yuri all capable of doing this with one another. Fittingly, it debuted in one of Yugo's duels in the Synchro Dimension.]]
* ThemeDeck: All over the place. The main characters adhere to it less than others, while a particular archetype will compose the core of their deck, they've probably got several unrelated cards for flavor.
* TournamentArc: In the anime series these regularly occur, usually one a season, but not ''all'' the time.
* UnspokenPlanGuarantee: Does a duelist draw a card without mentally expositing what it does or even naming it? It'll counter the opponent's move and save them. Do they mentally plan out a combo of cards to counter the opponent? It's gonna blow up in their face. Sometimes the unspoken plans fail and the explained ones work perfectly, but it's usually played straight.
* VendorTrash:
** There are thousands upon thousands of cards in the real-life card game[[note]]Dueling Network, one of the largest online sites for dueling, has a database of over 6,000 cards, and it isn't complete[[/note]], and a large chunk of them are completely useless even for casual duelists who use gimmicky deck themes.
** Note however, that in-universe in the original series and ''GX'' to a lesser extend, most cards 6 stars upwards and some 4 stars are so rare [[note]] Numbering in the single digit world-wide sense [[/note]] that casual duelists would not likely have any, let alone more than a few in his/her deck. So what we would consider vendor trash is often what the characters have to work with.
** A minor plot point in ''5D's'', where Yusei's deck is explicitly said to be made up of a mishmash of cards from the junk heap, with some exceptions, and Crow obtained his powerful Blackwing deck from someone who likely had it before Zero Reverse.
* WeirdnessMagnet: How many types of mystical forces has Duel Monsters channeled now?
* WorldOfHam: If you are a duelist in a ''Yu-Gi-Oh!'' series, you are a LargeHam obliged to shout at the top of your lungs, activate cards with dramatic hand gestures, use a summon chant when you summon your ace monster, and even announce your draw with a mighty roar of "''It's my turn! '''DRAW!'''''"