History Main / TheMultiverse

29th Nov '16 9:40:22 PM ultimomant
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** ''Series/{{Supergirl 2015}}'' has its own Earth '''(number unknown)''', which has been visited by the Barry Allen of Earth-1 once.

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** ''Series/{{Supergirl 2015}}'' has its own Earth '''(number unknown)''', '''Earth-38''', which has been visited by the Barry Allen of Earth-1 once.twice.
27th Nov '16 2:50:09 PM nombretomado
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* The ''{{Narnia}}'' books mainly feature travel to and from Narnia, but in ''The Magician's Nephew'' it's explained that our world and Narnia are only two of a Multiverse of worlds. We only ever see three, though. Five, if you count the Wood Between the Worlds, and [[spoiler:Heaven, although this it is portrayed as being as clearly and obviously different from the rest as a cube is from a square]].

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* The ''{{Narnia}}'' books ''Literature/TheChroniclesOfNarnia'' mainly feature travel to and from Narnia, but in ''The Magician's Nephew'' ''Literature/TheMagiciansNephew'' it's explained that our world and Narnia are only two of a Multiverse of worlds. We only ever see three, though. Five, if you count the Wood Between the Worlds, and [[spoiler:Heaven, although this it is portrayed as being as clearly and obviously different from the rest as a cube is from a square]].
24th Nov '16 1:02:44 AM narm00
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** The Wildstorm multiverse consists of a [[http://en.wikipedia.org/wiki/Monster_group 196833-dimensional]] snowflake-shaped arrangement of universes, flat sheets of information that their inhabitants interpret as three-dimensional (or what have you). Between them is [[SubspaceOrHyperspace the Bleed]], red swirly stuff of vaguely-defined properties. The Bleed, if not the snowflake, was incorporated into Franchise/TheDCU.

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** The Wildstorm Creator/{{Wildstorm}} multiverse consists of a [[http://en.wikipedia.org/wiki/Monster_group 196833-dimensional]] snowflake-shaped arrangement of universes, flat sheets of information that their inhabitants interpret as three-dimensional (or what have you). Between them is [[SubspaceOrHyperspace the Bleed]], red swirly stuff of vaguely-defined properties. The Bleed, if not the snowflake, was incorporated into Franchise/TheDCU.



*** 2017's rebooted Wildstorm universe is separate from Earth-0, with both having their own versions of Wildstorm characters. As yet, the rebooted 'verse has no assigned number.

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*** 2017's rebooted Wildstorm universe is separate from Earth-0, the DCU, with both having their own versions of Wildstorm characters. As yet, the rebooted 'verse has no assigned number.



* ''RickAndMorty'': The entire plot is about Rick and Morty traveling across a lot of different and bizarres Alternate Universes.

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* ''RickAndMorty'': ''WesternAnimation/RickAndMorty'': The entire plot is about Rick and Morty traveling across a lot of different and bizarres bizarre Alternate Universes.
22nd Nov '16 9:19:51 AM Merseyuser1
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It is '''not''' the same thing as AlternateContinuity - which refers to a ''separate'' universe which a work has (but that might equally have its own {{Multiverse}} within its {{Continuity}}, but it makes for a handy way to link them if the writers are so inclined. See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.

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It is '''not''' the same thing as AlternateContinuity - which refers to a ''separate'' universe which a work has (but that might equally have its own {{Multiverse}} within its {{Continuity}}, {{Continuity}}), but it makes for a handy way to link them if the writers are so inclined. inclined.

See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.
22nd Nov '16 9:18:44 AM Merseyuser1
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It is '''not''' the same thing as AlternateContinuity - which refers to a ''separete'' universe (but that might equally have its own {{Multiverse}} within its {{Continuity}}, but it makes a handy way to link them if the writers are so inclined. See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.

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It is '''not''' the same thing as AlternateContinuity - which refers to a ''separete'' ''separate'' universe which a work has (but that might equally have its own {{Multiverse}} within its {{Continuity}}, but it makes for a handy way to link them if the writers are so inclined. See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.
22nd Nov '16 9:18:01 AM Merseyuser1
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''Not'' the same thing as AlternateContinuity, but it makes a handy way to link them if the writers are so inclined. See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.

to:

''Not'' It is '''not''' the same thing as AlternateContinuity, AlternateContinuity - which refers to a ''separete'' universe (but that might equally have its own {{Multiverse}} within its {{Continuity}}, but it makes a handy way to link them if the writers are so inclined. See also BizarroUniverse, AnotherDimension and AlternateUniverse. Compare RubberBandHistory. If one universe acts as a CosmicKeystone that the others are based on, that's TheEarthPrimeTheory.
20th Nov '16 1:34:46 PM narm00
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The method of multiverse travel can be physical or nonphysical. A nonphysical multiverse traveler may be disembodied as a spectator, but may also able to enter the body of beings to experience what they are experiencing, or to assume direct control. A physical multiverse traveler has additional problems of survival to deal with, such as breathable air, correct temperature, pressure, and gravity, plus also unknowns such as foreign microorganisms. And at the same time a physical dimensional traveler can unintentionally affect the worlds they visit, with their own viruses or bacteria, and not just by what they say or do.

The multiverse permits changing of timelines in a personal sense. Going back in time to change something, simply causes the travelers to experience an altered timeline going forward from that change. The original timeline also still exists and progresses normally, at the moment they left.

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The method of multiverse travel can be physical or nonphysical. A nonphysical multiverse traveler may be disembodied as a spectator, but may also be able to enter the body of beings to experience what they are experiencing, or to assume direct control. A physical multiverse traveler has additional problems of survival to deal with, such as breathable air, correct temperature, pressure, and gravity, plus also unknowns such as foreign microorganisms. And at the same time a physical dimensional traveler can unintentionally affect the worlds they visit, with their own viruses or bacteria, and not just by what they say or do.

The multiverse permits changing of timelines in a personal sense. Going back in time to change something, something simply causes the travelers to experience an altered timeline going forward from that change. The original timeline also still exists and progresses normally, at the moment they left.



The multiverse can also solve the problem of free will vs predestination. It is possible that the multiverse is static and unchanging. All things that can ever exist already exist somewhere within it. But because there are a possibly infinite number of timelines converging and diverging from every moment into an equally huge number of alternate realities, predestination because irrelevant since normally only one of these timelines is experientially traversable.

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The multiverse can also solve the problem of free will vs predestination. It is possible that the multiverse is static and unchanging. All things that can ever exist already exist somewhere within it. But because there are a possibly infinite number of timelines converging and diverging from every moment into an equally huge number of alternate realities, predestination because becomes irrelevant since normally only one of these timelines is experientially traversable.



At the same time, a multiverse voyager can choose experience atrocious timelines in the multiverse, knowing that they are only responsible for choosing to be aware of them, and not for actually causing any of the events of the timeline, because the events that will occur in those timelines are already fixed and can not be changed. Any attempt at change of the events of a timeline simply results in selection of one of the many diverging paths away from it, which also already exist in every possible form.

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At the same time, a multiverse voyager can choose to experience atrocious timelines in the multiverse, knowing that they are only responsible for choosing to be aware of them, and not for actually causing any of the events of the timeline, because the events that will occur in those timelines are already fixed and can not be changed. Any attempt at change of the events of a timeline simply results in selection of one of the many diverging paths away from it, which also already exist in every possible form.



In some occasions it's the way for a creator to tie several different works via CanonWelding, or to justify a {{Crossover}}.

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In On some occasions it's the way for a creator to tie several different works via CanonWelding, or to justify a {{Crossover}}.



*** Earth-1098 is the ''ComicBook/ElseworldsFinestSupergirlAndBatgirl'' universe, where Kal-El died before becoming Franchise/{{Superman}} and Bruce Wayne never became Batman. ''Comicbook/{{Batgirl}}'' - Barbara Gordon- is Gotham's near-dictatorial protector, Franchise/WonderWoman leads the Justice Society and is ''Comicbook/{{Supergirl}}'''s -Kara Zor-El- foster mother, and ''Comicbook/LexLuthor'' backs -and manipulates- the Society.

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*** Earth-1098 is the ''ComicBook/ElseworldsFinestSupergirlAndBatgirl'' universe, where Kal-El died before becoming Franchise/{{Superman}} and Bruce Wayne never became Batman. ''Comicbook/{{Batgirl}}'' - Barbara Gordon- Gordon - is Gotham's near-dictatorial protector, Franchise/WonderWoman leads the Justice Society and is ''Comicbook/{{Supergirl}}'''s -Kara Zor-El- - Kara Zor-El - foster mother, and ''Comicbook/LexLuthor'' backs -and manipulates- - and manipulates - the Society.



*** One thing that should be noted about DC's local multiverse is that the universes are connected through comic books, [[RecursiveCanon each Earth producing comics that recount what's happening somewhere else in the multiverse, even if most people think they're fictional]]. This has long standing at DC - in the Silver Age, Earth-One's Flash, Barry Allen, read comics about Earth-Two's Flash, Jay Garrick.



*** 2017's rebooted Wildstorm universe is separate from Earth-0, with both having their own versions of Wildstorm characters. As yet, the rebooted 'verse has no assigned number.



** In another fic, ''{{Doppelgangers}}'', the loose ends concerning Rincewind's temporary visit to Earth as Professor van Rijnswand are dealt with. It is discovered that all Discoworld people have identical body doubles on Earth. This explains a lot.

to:

** In another fic, ''{{Doppelgangers}}'', the loose ends concerning Rincewind's temporary visit to Earth as Professor van Rijnswand are dealt with. It is discovered that all Discoworld Discworld people have identical body doubles on Earth. This explains a lot.
12th Nov '16 7:49:22 AM TheFantasyChronicler
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* ''RickAndMorty'': The entire plot is about Rick and Morty traveling across a lot of different and bizarres Alternate Universes.



* ''RickAndMorty'': The entire plot is about Rick and Morty traveling across a lot of different and bizarres Alternate Universes.
12th Nov '16 7:45:27 AM TheFantasyChronicler
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* Used in ''Franchise/CodeGeass: [[http://www.fanfiction.net/s/8514740/1/Occulta-Rising Occulta Rising]]''.



* Used in ''Franchise/CodeGeass: [[http://www.fanfiction.net/s/8514740/1/Occulta-Rising Occulta Rising]]''.
12th Nov '16 7:41:30 AM TheFantasyChronicler
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* This concept is briefly utilized in ''Anime/CrossAnge'' to explain the motivations of its villain, Embryo. And to show how the [=DRAGONS=] are able to co-exist in the same timeline as the show's [[spoiler:current Earth.]]
** [[spoiler:Said villain's motivations lead into OmnicidalManiac territories by the finale, as it suggests that he ventured outside his ''own'' universe and '''''blew up''''' other planets to conduct his experiments.]]



* Though not confirmed officially, the ''[[Anime/NeonGenesisEvangelion Evaverse]]'' is implied to use this trope between the various continuities and spin-offs. Kaworu appears to be aware of and/or remember ''every single one'', including the anime, the mangas, the games, even the ''[[Anime/RebuildOfEvangelion Rebuild]]'' films.
* ''Anime/GenesisOfAquarion'' eventually goes this route: the OVA's are explicitly set in a different but co-existent timeline from the series, and the repercussions of what happens in the OVA-world has slight effects on the TV series-timeline. This also becomes a plot point in ''Anime/AquarionEvol'', as [[spoiler:it turns out that the Abductors are from an alternate version of Vega (the planet the series takes place on), which split off somehow during the events of the ''Genesis'' finale.]] A crossover OVA between ''Genesis'' and ''Evol'' makes a passing mention to ''seven'' different worlds existing as a result of the ancient war in ''Genesis'''s backstory, and deals with the consequences of what happens when a couple of those worlds begin to bleed into each other.



* The setting of ''Franchise/LyricalNanoha'' is advanced enough to have fairly casual inter-dimensional travel, with the [[TheFederation Time-Space Administration Bureau]] monitoring the security, safety, and cultural growth of every dimension.



* The setting of ''Franchise/LyricalNanoha'' is advanced enough to have fairly casual inter-dimensional travel, with the [[TheFederation Time-Space Administration Bureau]] monitoring the security, safety, and cultural growth of every dimension.



* Though not confirmed officially, the ''[[Anime/NeonGenesisEvangelion Evaverse]]'' is implied to use this trope between the various continuities and spin-offs. Kaworu appears to be aware of and/or remember ''every single one'', including the anime, the mangas, the games, even the ''[[Anime/RebuildOfEvangelion Rebuild]]'' films.



* This concept is briefly utilized in ''Anime/CrossAnge'' to explain the motivations of its villain, Embryo. And to show how the [=DRAGONS=] are able to co-exist in the same timeline as the show's [[spoiler:current Earth.]]
** [[spoiler:Said villain's motivations lead into OmnicidalManiac territories by the finale, as it suggests that he ventured outside his ''own'' universe and '''''blew up''''' other planets to conduct his experiments.]]
* ''Anime/GenesisOfAquarion'' eventually goes this route: the OVA's are explicitly set in a different but co-existent timeline from the series, and the repercussions of what happens in the OVA-world has slight effects on the TV series-timeline. This also becomes a plot point in ''Anime/AquarionEvol'', as [[spoiler:it turns out that the Abductors are from an alternate version of Vega (the planet the series takes place on), which split off somehow during the events of the ''Genesis'' finale.]] A crossover OVA between ''Genesis'' and ''Evol'' makes a passing mention to ''seven'' different worlds existing as a result of the ancient war in ''Genesis'''s backstory, and deals with the consequences of what happens when a couple of those worlds begin to bleed into each other.



* The comic ''ComicBook/{{Fables}}'' mainly features our own world, but also a indefinite number of Fairy Tale worlds which are connected by gates. The gates to our world are closely guarded by the New York Fables since they were conquered by the [[BigBad Adversary]].
** This latter plays a role in the War against the Adversary.
* So did the comic book ''Grimjack''.
* Very early on, the Archie ''Comicbook/SonicTheHedgehog'' comic parodied the DC multiverse with a literal "superhighway" connecting the various worlds. In a "Bizarro" universe, Dr. Eggman is a kindly veterinarian, while Sonic and his cohorts are evil hooligans in biker outfits. In another, Dr. Eggman was nearly defeated by the Freedom Fighters, but turned himself into a robot as a last resort (and he's even more kill-crazy than the original).
** Every Sonic game and television show is in canon, except that most exist in multiple universes, or 'Zones'. This includes: The 'Prime' Universe, the VideoGame/{{Sonic Rush|Series}} Dimension, the WesternAnimation/SonicUnderground Universe, the (inevitable) ComicBook/SabrinaTheTeenageWitch crossover, and a ''Franchise/SailorMoon''-inspired universe where Knuckles wears a tuxedo. Go figure. The "real" world is yet another universe, and features lawyer-friendly versions of Fox Mulder and Dana Scully, hot on the trail of a giant blue talking hedgehog. (''Sonic Live'')
*** The CosmicRetcon following ''ComicBook/SonicTheHedgehogMegaManWorldsCollide'' caused the entire multiverse to collapse on itself and be reborn. It's yet to be told as to what original worlds are left and what new ones are there.
* The comic books ''ComicBook/ThoseAnnoyingPostBros'' and ''ComicBook/SavageHenry'' focus on Bugtown, a infinite-sized CityOfAdventure which connects to an infinite number of alternate worlds.
* ''ComicBook/{{Zenith}}'', a ''[[ComicBook/TwoThousandAD 2000 AD]]'' series, features this. Perhaps not surprisingly, its author Creator/GrantMorrison is one of the creators responsible for bringing back the DC multiverse.

to:

* The comic ''ComicBook/{{Fables}}'' mainly features our own world, but also a indefinite number ''ComicBook/BlackMoonChronicles'': Apparently reality is made up of Fairy Tale worlds which are connected by gates. The gates to our world are closely guarded many different dimensions tied together by the New York Fables since they were conquered by four elements. After humanity leaves the [[BigBad Adversary]].
** This latter plays
Earth for a role in the War against the Adversary.
* So did the comic book ''Grimjack''.
* Very early on, the Archie ''Comicbook/SonicTheHedgehog'' comic parodied the DC multiverse with a literal "superhighway" connecting the various worlds. In a "Bizarro" universe, Dr. Eggman is a kindly veterinarian, while Sonic and his cohorts are evil hooligans in biker outfits. In another, Dr. Eggman was nearly defeated by the Freedom Fighters, but turned himself into a robot as a last resort (and he's even more kill-crazy than the original).
** Every Sonic game and television show is in canon, except that most exist in multiple universes, or 'Zones'. This includes: The 'Prime' Universe, the VideoGame/{{Sonic Rush|Series}} Dimension, the WesternAnimation/SonicUnderground Universe, the (inevitable) ComicBook/SabrinaTheTeenageWitch crossover, and a ''Franchise/SailorMoon''-inspired universe where Knuckles wears a tuxedo. Go figure. The "real"
different world when it is yet another universe, and features lawyer-friendly versions of Fox Mulder and Dana Scully, hot on the trail of a giant blue talking hedgehog. (''Sonic Live'')
*** The CosmicRetcon following ''ComicBook/SonicTheHedgehogMegaManWorldsCollide'' caused the entire multiverse to collapse on itself and be reborn. It's yet
about to be told as to what original worlds are left and what new ones are there.
* The comic books ''ComicBook/ThoseAnnoyingPostBros'' and ''ComicBook/SavageHenry'' focus on Bugtown, a infinite-sized CityOfAdventure which connects to an infinite number of alternate worlds.
* ''ComicBook/{{Zenith}}'', a ''[[ComicBook/TwoThousandAD 2000 AD]]'' series, features this. Perhaps not surprisingly, its author Creator/GrantMorrison is
destroyed, it takes Lucifer one hell of an effort to find humanity again between all the creators responsible for bringing back the DC multiverse.different universes.



* The comic ''ComicBook/{{Fables}}'' mainly features our own world, but also a indefinite number of Fairy Tale worlds which are connected by gates. The gates to our world are closely guarded by the New York Fables since they were conquered by the [[BigBad Adversary]].
** This latter plays a role in the War against the Adversary.
* So did the comic book ''Grimjack''.



* ''ComicBook/BlackMoonChronicles'': Apparently reality is made up of many different dimensions tied together by the four elements. After humanity leaves the Earth for a different world when it is about to be destroyed, it takes Lucifer one hell of an effort to find humanity again between all the different universes.

to:

* ''ComicBook/BlackMoonChronicles'': Apparently reality Very early on, the Archie ''Comicbook/SonicTheHedgehog'' comic parodied the DC multiverse with a literal "superhighway" connecting the various worlds. In a "Bizarro" universe, Dr. Eggman is made up of many different dimensions tied together a kindly veterinarian, while Sonic and his cohorts are evil hooligans in biker outfits. In another, Dr. Eggman was nearly defeated by the four elements. After humanity leaves Freedom Fighters, but turned himself into a robot as a last resort (and he's even more kill-crazy than the Earth for original).
** Every Sonic game and television show is in canon, except that most exist in multiple universes, or 'Zones'. This includes: The 'Prime' Universe, the VideoGame/{{Sonic Rush|Series}} Dimension, the WesternAnimation/SonicUnderground Universe, the (inevitable) ComicBook/SabrinaTheTeenageWitch crossover, and
a different ''Franchise/SailorMoon''-inspired universe where Knuckles wears a tuxedo. Go figure. The "real" world when it is about yet another universe, and features lawyer-friendly versions of Fox Mulder and Dana Scully, hot on the trail of a giant blue talking hedgehog. (''Sonic Live'')
*** The CosmicRetcon following ''ComicBook/SonicTheHedgehogMegaManWorldsCollide'' caused the entire multiverse to collapse on itself and be reborn. It's yet
to be destroyed, it takes Lucifer told as to what original worlds are left and what new ones are there.
* The comic books ''ComicBook/ThoseAnnoyingPostBros'' and ''ComicBook/SavageHenry'' focus on Bugtown, a infinite-sized CityOfAdventure which connects to an infinite number of alternate worlds.
* ''ComicBook/{{Zenith}}'', a ''[[ComicBook/TwoThousandAD 2000 AD]]'' series, features this. Perhaps not surprisingly, its author Creator/GrantMorrison is
one hell of an effort to find humanity again between all the different universes.creators responsible for bringing back the DC multiverse.



* Creator/AAPessimal has created several ongoing tales concerning the ''Literature/{{Discworld}}'' contacting various aspects of "Roundworld" (see below). Ponder Stibbons, who is perhaps more of a research and theoretical physicist than a Wizard, finds himself among congenial like minds when he visits the Roundworld of ''Series/TheBigBangTheory'' in ''Fanfic/TheManyWorldsInterpretation''. His Assassin girlfriend [[IWantMyBelovedToBeFashionable also finds friends she can bond with]] in Penny, Bernadette and Amy. In future chapters, Sheldon Cooper and the gang get to visit the Discworld. Mayhem and misunderstanding ensue.
** In another fic, ''{{Doppelgangers}}'', the loose ends concerning Rincewind's temporary visit to Earth as Professor van Rijnswand are dealt with. It is discovered that all Discoworld people have identical body doubles on Earth. This explains a lot.



* Fanfic/CodePonyEvolution uses this to explain how the worlds meet.
* Fanfic/CrossoverChaos takes this trope and runs with it, not only in terms of CanonWelding all the series featured (as well as RealLife) into one functioning universe, but also the fact that there are many alternate versions of the main universe, which the main universe characters have gone into, and met people from, countless times before. It's implied every piece of fiction ever does, did, and will exist pretty much exists in multiple forms within the series' multiverse, and the same goes for RealLife as well.



* Fanfic/CodePonyEvolution uses this to explain how the worlds meet.
* Fanfic/CrossoverChaos takes this trope and runs with it, not only in terms of CanonWelding all the series featured (as well as RealLife) into one functioning universe, but also the fact that there are many alternate versions of the main universe, which the main universe characters have gone into, and met people from, countless times before. It's implied every piece of fiction ever does, did, and will exist pretty much exists in multiple forms within the series' multiverse, and the same goes for RealLife as well.
* Creator/AAPessimal has created several ongoing tales concerning the ''Literature/{{Discworld}}'' contacting various aspects of "Roundworld" (see below). Ponder Stibbons, who is perhaps more of a research and theoretical physicist than a Wizard, finds himself among congenial like minds when he visits the Roundworld of ''Series/TheBigBangTheory'' in ''Fanfic/TheManyWorldsInterpretation''. His Assassin girlfriend [[IWantMyBelovedToBeFashionable also finds friends she can bond with]] in Penny, Bernadette and Amy. In future chapters, Sheldon Cooper and the gang get to visit the Discworld. Mayhem and misunderstanding ensue.
** In another fic, ''{{Doppelgangers}}'', the loose ends concerning Rincewind's temporary visit to Earth as Professor van Rijnswand are dealt with. It is discovered that all Discoworld people have identical body doubles on Earth. This explains a lot.



* The author [[https://www.fanfiction.net/u/50988/Kanius Kanius]] and his contributors has their concept by having [[Franchise/SailorMoon Sailor Cosmos]] [[Main/GuardianOfTheMultiverse living in the Galaxy Cauldron]] to connect many nexus dimensions. This is where the universes of ''FanFic/DigimonFusionKai'' (DF-616), ''FanFic/YuYuGiDigiMoon'' (YYGDM-01), and [[https://www.fanfiction.net/s/6561565/1/Digimon_Accel_Stream Digimon Accel Stream]] (XLR-8) exist to have their stories as part of ‘the Triad’.
** An alternate future of Digimon Fusion Kai called ‘DF-811’ is where a Future Trunks expy lived and travel back in time to the main DF-616 dimension. The Crystal Tokyo timeline is a separate dimension that's part of YYGDM-01's future. At some point, the dimension of ''Anime/DigimonXrosWars'' is involve with them.
** There are also other universes that references them such as ''Fanfic/GuiltyCrownTheLostKingdoms'' (GCLK-1113) alongside ''Fanfic/KaniusProductionAbridged'' (Shared Character Corner, including ''Fanfic/ShinnenNewYear'' that takes place as the series finale).
* [[https://www.fanfiction.net/s/10071423/1/Mirror-Multiverse Mirror Multiverse]] uses this as a plot device, with the main characters hopping around a collection of universes.



* ''Fanfic/RoyalHeights'' works on the concept that there is only one Universe that permits a multitude of dimensions to exist. These dimensions all have their own laws and physics and general rules but the academy and the technology it provides is the main way for the members of these dimensions to interact with one another.



* [[https://www.fanfiction.net/s/10071423/1/Mirror-Multiverse Mirror Multiverse]] uses this as a plot device, with the main characters hopping around a collection of universes.



* The Multi-Dimensional labyrinth concept described by the Anti-Spiral in Anime/TengenToppaGurrenLagann has the potential to incorporate all of Gurren Lagann's Parallel Works, as well as any and all forms of fan-fiction, as canon because the {{Alternate Universe}}s that make up the Multi-Dimensional Labyrinth are created the instant they are perceived.



* ''Fanfic/WithStringsAttached'' takes place in or mentions at least six different universes, and Jeft refers to existence as the Infiniverse.
* The Multi-Dimensional labyrinth concept described by the Anti-Spiral in Anime/TengenToppaGurrenLagann has the potential to incorporate all of Gurren Lagann's Parallel Works, as well as any and all forms of fan-fiction, as canon because the {{Alternate Universe}}s that make up the Multi-Dimensional Labyrinth are created the instant they are perceived.
* ''Fanfic/RoyalHeights'' works on the concept that there is only one Universe that permits a multitude of dimensions to exist. These dimensions all have their own laws and physics and general rules but the academy and the technology it provides is the main way for the members of these dimensions to interact with one another.



* The author [[https://www.fanfiction.net/u/50988/Kanius Kanius]] and his contributors has their concept by having [[Franchise/SailorMoon Sailor Cosmos]] [[Main/GuardianOfTheMultiverse living in the Galaxy Cauldron]] to connect many nexus dimensions. This is where the universes of ''FanFic/DigimonFusionKai'' (DF-616), ''FanFic/YuYuGiDigiMoon'' (YYGDM-01), and [[https://www.fanfiction.net/s/6561565/1/Digimon_Accel_Stream Digimon Accel Stream]] (XLR-8) exist to have their stories as part of ‘the Triad’.
** An alternate future of Digimon Fusion Kai called ‘DF-811’ is where a Future Trunks expy lived and travel back in time to the main DF-616 dimension. The Crystal Tokyo timeline is a separate dimension that's part of YYGDM-01's future. At some point, the dimension of ''Anime/DigimonXrosWars'' is involve with them.
** There are also other universes that references them such as ''Fanfic/GuiltyCrownTheLostKingdoms'' (GCLK-1113) alongside ''Fanfic/KaniusProductionAbridged'' (Shared Character Corner, including ''Fanfic/ShinnenNewYear'' that takes place as the series finale).
* ''Fanfic/TheBridge'' eventually develops one of these, as while it starts with just [[WesternAnimation/MyLittlePonyFriendshipIsMagic Equestria]] and Terra (the MegaCrossover {{Kaiju}} version of Earth), it also later adds on [[{{Mordor}} Zenith]], the ''[[WesternAnimation/MyLittlePonyEquestriaGirls Equestria Girls]]'' universe, the [[TrappedInTVLand Power Ponies]] universe and its EG counterpart, the MirrorUniverse of Equestria from [[ComicBook/MyLittlePonyFriendshipIsMagicIDW the comics]] [[spoiler: and its Terra counterpart]], and in a later crossover story brings in FanFic/TheShimmerverse as another separate universe.

to:

* The author [[https://www.fanfiction.net/u/50988/Kanius Kanius]] and his contributors has their concept by having [[Franchise/SailorMoon Sailor Cosmos]] [[Main/GuardianOfTheMultiverse living in the Galaxy Cauldron]] to connect many nexus dimensions. This is where the universes of ''FanFic/DigimonFusionKai'' (DF-616), ''FanFic/YuYuGiDigiMoon'' (YYGDM-01), and [[https://www.fanfiction.net/s/6561565/1/Digimon_Accel_Stream Digimon Accel Stream]] (XLR-8) exist to have their stories as part of ‘the Triad’.
** An alternate future of Digimon Fusion Kai called ‘DF-811’ is where a Future Trunks expy lived and travel back in time to the main DF-616 dimension. The Crystal Tokyo timeline is a separate dimension that's part of YYGDM-01's future. At some point, the dimension of ''Anime/DigimonXrosWars'' is involve with them.
** There are also other universes that references them such as ''Fanfic/GuiltyCrownTheLostKingdoms'' (GCLK-1113) alongside ''Fanfic/KaniusProductionAbridged'' (Shared Character Corner, including ''Fanfic/ShinnenNewYear'' that
''Fanfic/WithStringsAttached'' takes place in or mentions at least six different universes, and Jeft refers to existence as the series finale).
* ''Fanfic/TheBridge'' eventually develops one of these, as while it starts with just [[WesternAnimation/MyLittlePonyFriendshipIsMagic Equestria]] and Terra (the MegaCrossover {{Kaiju}} version of Earth), it also later adds on [[{{Mordor}} Zenith]], the ''[[WesternAnimation/MyLittlePonyEquestriaGirls Equestria Girls]]'' universe, the [[TrappedInTVLand Power Ponies]] universe and its EG counterpart, the MirrorUniverse of Equestria from [[ComicBook/MyLittlePonyFriendshipIsMagicIDW the comics]] [[spoiler: and its Terra counterpart]], and in a later crossover story brings in FanFic/TheShimmerverse as another separate universe.
Infiniverse.



* Creator/DianaWynneJones's series, stand-alones and short stories often feature Multiverses or at least two different alternate realities. Count them:
** ''The Literature/{{Chrestomanci}} Chronicles''
** ''Literature/DarkLordOfDerkholm''
** ''Literature/HowlsMovingCastle''
** ''Literature/TheMagids'' series
** ''Literature/TheHomewardBounders''
** ''Literature/ASuddenWildMagic''
** ''The Game''
** ''Everard's Ride'' (this one's a novella)
** "Dragon Reserve, Home Eight" (this is a short story)
** One might theoretically consider ''Literature/ATaleOfTimeCity'' as well. Time City is not technically another world per se, but it runs along the much of the same ideas.



* From a collaboration of Creator/TerryPratchett and Creator/StephenBaxter, the titular ''[[Literature/TheLongEarth Long Earth]]'' is a series of alternate earths, each different, though the amount and type of difference between one and the next varies. Because of peculiarities of evolution, only one earth spawned humans and the vast majority never developed intelligent hominids of any kind, leaving the whole set in the care of one earth's-worth of humans, and their alternate-universe cousins, named after common fairy-tale creatures like elves and trolls. There are two unique wrinkles in the alternate-earth system presented in this series:\\
Firstly, the earths are linked in a chain, and you can only "step" from one earth to one of the two adjacent ones; even stepping at high speed, it takes quite a while to get from one earth to a radically different one, although there are short-cuts that make long-distance "travel" more feasible. The chain might be infinite, or might be a closed loop. Secondly, each planet has its own chain of alternates; if you go to Mars, as occurs in the third book, none of the alternate Marses you can step to will correlate with any alternate earths in the chain you came from.
* The trope's name comes from Creator/MichaelMoorcock's books. His many books range a vast array of worlds yet a sizable proportion of them are connected via CanonWelding. Creator/RobertAHeinlein used this name in ''Literature/TheNumberOfTheBeast'' (see below) as well.



* Creator/RobertAHeinlein has written about Multiverses more than once. The novel ''Literature/GloryRoad'' has magical inter-universe travel, and several of his later novels (starting with ''Literature/TheNumberOfTheBeast'') involve the Burroughs drive, an invention that lets you travel to other universes; but because of how the Multiverse works, those nearby universes will be the favorite fictions of the users of the drive. So you can leave Earth and the next universe over will turn out to be Oz... As a side effect, Heinlein managed [[CanonWelding to tie together]] practically everything he ever wrote into a single setting.



* Sharon Farber's "Trans Dimensional Imports" (1980). Contact between universes is difficult because the necessary equipment has to be operating in both at the same time, but one scientist has succeeded in contacting her alternate self. They've build a minor business, trading literary works that exist in one world but not the other. With expanded bandwidth, they're considering other art forms. E.g. in one universe, UsefulNotes/RonaldReagan went into politics, becoming governor of California. In the other, he had starred in a B-movie called ''Film/{{Casablanca}}''. So they agree to a swap -- "You get a classic; we get a joke."



* Creator/DianaWynneJones's series, stand-alones and short stories often feature Multiverses or at least two different alternate realities. Count them:
** ''The Literature/{{Chrestomanci}} Chronicles''
** ''Literature/DarkLordOfDerkholm''
** ''Literature/HowlsMovingCastle''
** ''Literature/TheMagids'' series
** ''Literature/TheHomewardBounders''
** ''Literature/ASuddenWildMagic''
** ''The Game''
** ''Everard's Ride'' (this one's a novella)
** "Dragon Reserve, Home Eight" (this is a short story)
** One might theoretically consider ''Literature/ATaleOfTimeCity'' as well. Time City is not technically another world per se, but it runs along the much of the same ideas.
* The trope's name comes from Moorcock's books. His many books range a vast array of worlds yet a sizable proportion of them are connected via CanonWelding. Creator/RobertAHeinlein used this name in ''Literature/TheNumberOfTheBeast'' (see below) as well.
* Creator/RobertAHeinlein has written about Multiverses more than once. The novel ''Literature/GloryRoad'' has magical inter-universe travel, and several of his later novels (starting with ''Literature/TheNumberOfTheBeast'') involve the Burroughs drive, an invention that lets you travel to other universes; but because of how the Multiverse works, those nearby universes will be the favorite fictions of the users of the drive. So you can leave Earth and the next universe over will turn out to be Oz... As a side effect, Heinlein managed [[CanonWelding to tie together]] practically everything he ever wrote into a single setting.
* Sharon Farber's "Trans Dimensional Imports" (1980). Contact between universes is difficult because the necessary equipment has to be operating in both at the same time, but one scientist has succeeded in contacting her alternate self. They've build a minor business, trading literary works that exist in one world but not the other. With expanded bandwidth, they're considering other art forms. E.g. in one universe, UsefulNotes/RonaldReagan went into politics, becoming governor of California. In the other, he had starred in a B-movie called ''Film/{{Casablanca}}''. So they agree to a swap -- "You get a classic; we get a joke."
* From a collaboration of Creator/TerryPratchett and Creator/StephenBaxter, the titular ''[[Literature/TheLongEarth Long Earth]]'' is a series of alternate earths, each different, though the amount and type of difference between one and the next varies. Because of peculiarities of evolution, only one earth spawned humans and the vast majority never developed intelligent hominids of any kind, leaving the whole set in the care of one earth's-worth of humans, and their alternate-universe cousins, named after common fairy-tale creatures like elves and trolls. There are two unique wrinkles in the alternate-earth system presented in this series:\\
Firstly, the earths are linked in a chain, and you can only "step" from one earth to one of the two adjacent ones; even stepping at high speed, it takes quite a while to get from one earth to a radically different one, although there are short-cuts that make long-distance "travel" more feasible. The chain might be infinite, or might be a closed loop. Secondly, each planet has its own chain of alternates; if you go to Mars, as occurs in the third book, none of the alternate Marses you can step to will correlate with any alternate earths in the chain you came from.



* ''Series/OnceUponATime'' and ''Series/OnceUponATimeInWonderland'': Most of ''OUAT'' takes place in Storybrooke, a town created by magic that exists in the Land Without Magic, which is our "real world". The curse that created Storybrooke also trapped many people from The Enchanted Forest there, characters from various fairy tales and other stories. Other worlds include [[Literature/PeterPan Neverland]], [[Literature/AlicesAdventuresInWonderland Wonderland]] (in which SpinOff series ''Once Upon a Time in Wonderland'' takes place), [[Franchise/TheWizardOfOz Oz]], the Land Without Color (a DeliberatelyMonochrome world where Dr. Literature/{{Frankenstein}} is from), a [[VictorianBritain Victorian England]] where Alice is from, a [[TheRoaringTwenties 1920s England]] where Cruella de Vil is from, TheUnderworld, and The Land of Untold Stories (a universe that serves as a dumping ground for characters from stories that never finished).



* ''Series/StargateSG1'' had a handful of episodes where characters traveled to alternate timelines. The first season finale's storyline was kicked off when Daniel accidentally activated an [[AppliedPhlebotinum alien artifact]] and went to a timeline where he had never joined the Stargate program. A later episode used the same artifact to help an Earth in an alternate timeline that was faced with looming invasion, and other ways of accessing alternate universes were later found as well.
** The season 9 episode "Ripple Effect" turned this UpToEleven, with dozens of alternate universe versions of SG-1 coming through the Stargate due to some technobabble involving a black hole (and the meddling of one of the alternate teams.)
** ''Series/StargateAtlantis'' also has several episodes that make use of the multiverse. The first has [[spoiler:[=McKay=]'s sister]] write an equation that allows connections to alternate universes to be made. [=McKay=] uses it to try to make an unlimited power source. [[spoiler:The [=McKay=] from the universe he connected to]] has to cross the barrier to tell him it's a bad idea. The same technology was later used by [=McKay=]'s rival back on earth to try to combat global warming [[spoiler:(it didn't work)]]. And yet another [=McKay=] from a different universe uses the same technology to build a Universe Hopping Starship [[spoiler:(again, it didn't work)]] which sent the team from this universe on a wild ride. One just has to wonder if [=McKay=] really knows what he's doing when it comes to the multiverse.



* ''Series/StargateSG1'' had a handful of episodes where characters traveled to alternate timelines. The first season finale's storyline was kicked off when Daniel accidentally activated an [[AppliedPhlebotinum alien artifact]] and went to a timeline where he had never joined the Stargate program. A later episode used the same artifact to help an Earth in an alternate timeline that was faced with looming invasion, and other ways of accessing alternate universes were later found as well.
** The season 9 episode "Ripple Effect" turned this UpToEleven, with dozens of alternate universe versions of SG-1 coming through the Stargate due to some technobabble involving a black hole (and the meddling of one of the alternate teams.)
** ''Series/StargateAtlantis'' also has several episodes that make use of the multiverse. The first has [[spoiler:[=McKay=]'s sister]] write an equation that allows connections to alternate universes to be made. [=McKay=] uses it to try to make an unlimited power source. [[spoiler:The [=McKay=] from the universe he connected to]] has to cross the barrier to tell him it's a bad idea. The same technology was later used by [=McKay=]'s rival back on earth to try to combat global warming [[spoiler:(it didn't work)]]. And yet another [=McKay=] from a different universe uses the same technology to build a Universe Hopping Starship [[spoiler:(again, it didn't work)]] which sent the team from this universe on a wild ride. One just has to wonder if [=McKay=] really knows what he's doing when it comes to the multiverse.



* ''Series/OnceUponATime'' and ''Series/OnceUponATimeInWonderland'': Most of ''OUAT'' takes place in Storybrooke, a town created by magic that exists in the Land Without Magic, which is our "real world". The curse that created Storybrooke also trapped many people from The Enchanted Forest there, characters from various fairy tales and other stories. Other worlds include [[Literature/PeterPan Neverland]], [[Literature/AlicesAdventuresInWonderland Wonderland]] (in which SpinOff series ''Once Upon a Time in Wonderland'' takes place), [[Franchise/TheWizardOfOz Oz]], the Land Without Color (a DeliberatelyMonochrome world where Dr. Literature/{{Frankenstein}} is from), a [[VictorianBritain Victorian England]] where Alice is from, a [[TheRoaringTwenties 1920s England]] where Cruella de Vil is from, TheUnderworld, and The Land of Untold Stories (a universe that serves as a dumping ground for characters from stories that never finished).



* Wizards of the Coast long ago published a set of generic supplements for handling deities in roleplaying games, called ''The Primal Order''. One of the books in this series, ''Chessboards'', covered in exquisite detail how to design and manage an entire multiverse complete with cosmology.



* Naturally part of the setting of ''TabletopGame/SentinelsOfTheMultiverse''. The final expansion of the game deals with the end of that multiverse (according to WordOfGod, this is why the sequel game, ''Sentinels Tactics'', doesn't include the word), and will see the heroes teaming up with alternate-universe versions of characters to stop an omnicidal BigBad.



* Naturally part of the setting of ''TabletopGame/SentinelsOfTheMultiverse''. The final expansion of the game deals with the end of that multiverse (according to WordOfGod, this is why the sequel game, ''Sentinels Tactics'', doesn't include the word), and will see the heroes teaming up with alternate-universe versions of characters to stop an omnicidal BigBad.

to:

* Naturally part Creator/WizardsOfTheCoast long ago published a set of generic supplements for handling deities in roleplaying games, called ''The Primal Order''. One of the setting of ''TabletopGame/SentinelsOfTheMultiverse''. The final expansion of the game deals with the end of that books in this series, ''Chessboards'', covered in exquisite detail how to design and manage an entire multiverse (according to WordOfGod, this is why the sequel game, ''Sentinels Tactics'', doesn't include the word), and will see the heroes teaming up complete with alternate-universe versions of characters to stop an omnicidal BigBad.cosmology.



* Though not officially stated, the Rift from ''VideoGame/FinalFantasyV'' seems to be a wall separating all the various universes of the ''Franchise/FinalFantasy'' games. Only Gilgamesh has been shown to be able to get around it freely so far. After his banishment there by Exdeath, and his subsequent HeroicSacrifice against Necrophobe, he sets off on a quest to collect rare weapons, appearing in the worlds of ''Final Fantasies'' ''[[VideoGame/FinalFantasyI I]]'' (remake), ''[[VideoGame/FinalFantasyIVTheAfterYears IV]]'', ''[[VideoGame/FinalFantasyVI VI]]'' (remake), ''[[VideoGame/FinalFantasyVIII VIII]]'', ''[[VideoGame/FinalFantasyIX IX]]'', ''[[VideoGame/FinalFantasyXII XII]]'', and ''[[VideoGame/FinalFantasyXIV XIV]]''. At some point, he also manages to find his way into [[VideoGame/DissidiaFinalFantasy the conflict between the gods Cosmos and Chaos]], and is overjoyed to find Bartz there, having been itching to get a rematch against him. Unfortunately, Bartz has only the faintest of memories of his home world in this continuity, making ol' Gilgamesh an UnknownRival to him.

to:

* ** Though not officially stated, the Rift from ''VideoGame/FinalFantasyV'' seems to be a wall separating all the various universes of the ''Franchise/FinalFantasy'' games. Only Gilgamesh has been shown to be able to get around it freely so far. After his banishment there by Exdeath, and his subsequent HeroicSacrifice against Necrophobe, he sets off on a quest to collect rare weapons, appearing in the worlds of ''Final Fantasies'' ''[[VideoGame/FinalFantasyI I]]'' (remake), ''[[VideoGame/FinalFantasyIVTheAfterYears IV]]'', ''[[VideoGame/FinalFantasyVI VI]]'' (remake), ''[[VideoGame/FinalFantasyVIII VIII]]'', ''[[VideoGame/FinalFantasyIX IX]]'', ''[[VideoGame/FinalFantasyXII XII]]'', and ''[[VideoGame/FinalFantasyXIV XIV]]''. At some point, he also manages to find his way into [[VideoGame/DissidiaFinalFantasy the conflict between the gods Cosmos and Chaos]], and is overjoyed to find Bartz there, having been itching to get a rematch against him. Unfortunately, Bartz has only the faintest of memories of his home world in this continuity, making ol' Gilgamesh an UnknownRival to him.



* [[VideoGame/PokemonRubyAndSapphire Pokemon Omega Ruby and Alpha Sapphre]] reveals in the [[PostEndGameContent Delta Episode]] that there are other pokemon realities, like one where Mega Evolution was never discovered, which is the universe where the original Pokemon games up to Black and White 2 take place. This also implies that games like Videogame/PokemonMysteryDungeon and Videogame/PokemonRumble are part of the multiverse, as well.



* [[VideoGame/PokemonRubyAndSapphire Pokemon Omega Ruby and Alpha Sapphre]] reveals in the [[PostEndGameContent Delta Episode]] that there are other pokemon realities, like one where Mega Evolution was never discovered, which is the universe where the original Pokemon games up to Black and White 2 take place. This also implies that games like Videogame/PokemonMysteryDungeon and Videogame/PokemonRumble are part of the multiverse, as well.



* Various characters in ''Webcomic/DeviantUniverse'' have appeared from alternate universes, and one story arc involved an attack by another universe.



* Various characters in ''Webcomic/DeviantUniverse'' have appeared from alternate universes, and one story arc involved an attack by another universe.



* [[Roleplay/DCUnitedWeStand DC: United We Stand]] is set in one of the many different parts of DC's multiverse.



* A staple of LiveJournal coms like Sages of Chaos, Dear Multiverse, The Lunatic Cafe, and Dear Mun.



* A staple of LiveJournal coms like Sages of Chaos, Dear Multiverse, The Lunatic Cafe, and Dear Mun.



* [[Roleplay/DCUnitedWeStand DC: United We Stand]] is set in one of the many different parts of DC's multiverse.
This list shows the last 10 events of 295. Show all.
http://tvtropes.org/pmwiki/article_history.php?article=Main.TheMultiverse