1 - 20 of 2,552 Works in Alternate Universe - Character Swap
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Since I know you’d never accept this request, I’ve thought it best to make a game out of it. If you win our little debate, I’ll never send you another letter ever again.
Regrettably, the Recluse found his interest piqued yet again.
But if I win, then you have to let me take you out on the town for a full day.
These were… difficult terms. The concept of the Sage leaving him alone was too tempting to pass up, yet at the same time he didn’t know if he was willing to risk spending an entire day with that cookie. Just the thought of it made the Recluse practically dizzy with exhaustion.
If you agree to my terms and wish to partake, please meet me at the Academy tomorrow at midday!
Yours sincerely,
Sage of Truth─✦•✦─
Or: Following their first meeting, the Sage of Truth asks for a debate with Truthless Recluse. This will spark a relationship that our dear Recluse did not ask for (and did not know he needed).
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Spamton is the boss of ADWorld, the living room's dark fountain. Tenna is the busted old TV who made a deal with the benefactor on the phone.
Turns out, it doesn't make much of a difference. After all, we all know how this story goes.
Lord of Screens, cleaved red by blade.
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That's right, it's a Spamtenna Swap AU! From Big Shots to canon to back again - Tenna's a mess, Spamton's doomed by the narrative, and I'll claw a happy ending out of this story if it kills me.
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Ducktales but Webby, May, and June swap with Dewey, Huey, and Louie! And a few other people swap too :)
Personalities are basically the same
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after bill cipher's death, he meets the axolotl he called upon. they send him to a new place, propelled backwards in time, memories washed away. bill meets a man with six fingers in his sleep after finding his way 'home', and quickly discovers his want for research and answers that the man can offer.
or, a complicated swap au in which bill swaps with ford, and pyramid steve replaces stan!
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All That Was Me Is Gone by BaronessEmma
Fandoms: Outlander (TV), Outlander & Related Fandoms, Outlander Series - Diana Gabaldon
25 Nov 2025
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The year is 2279. World War IV has only been over for six months.
The past eight years have taken Claire Beauchamp's parents, her job, her home, her youth, and almost her will to live. Not to mention her husband, and their unborn child. All she has left is a dream, and a vague longing for trees, and plants grown in soil, and stones that are older than the rusty metal streets of Skycity 15 - which its residents call New Oxford.
When she unexpectedly gets a chance to visit her Uncle Lamb on Cold Island 12 - the fallout haven that used to be known as the Scottish Highlands - she decides to use the trip to try and climb out of the empty hole that is her current existence.
What she finds there will not only change her life, it will change history itself.
Part One: Chapter 1 - Chapter 118
Part Two: Chapter 119 - ongoing
Series
- Part 1 of All That Was Me Is Gone
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The Children of Moon Island by Sandentwins
Fandoms: Taiyou no Ko Esteban | Les Mystérieuses Cités d'or | The Mysterious Cities of Gold
25 Nov 2025
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The "Chosen Ones" were not chosen. They were created.
In the buried depths of an ancient Muan laboratory, a solitary islander discovers humanity's forgotten treasures. Two children of science and magic, defying time and reason, that must bring back the lost empire. But what if they are ten thousand years too late? What can possibly be left for them, after all this time?
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You might've heard of the Spectre's realm, Forsaken, but have you heard of the Phantom's universe called Deserted? Across the multiverse, another entity hosts its own version of this twisted hell...
The Phantom drags its highly dysfunctional team of survivors into a room together to psycologically damage them further with questions from random ao3 users! It's the Phantom's first time doing this, so please be nice!! (to the Phantom ofc, not the survivors lolz)
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Traumatize the temu forsaken crew by asking them questions TvT
Series
- Part 1 of Kolya's Strange Skin Swap AU
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Strong Enough by Argentorum
Fandoms: Cyberpunk: Edgerunners (Anime), Parahumans Series - Wildbow
25 Nov 2025
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Taylor Hebert has only ever wished to be one thing, but in Night City it is harder to accept your own weakness, then to prove yourself strong enough to die.
A canon divergence where a different Main Character gets the Sandevistan, and a different world results.
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Nezuko & Co. by booigi00
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
25 Nov 2025
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Kamado Nezuko went downtown to sell charcoal in her brother's stead, as he had a broken leg.
You can imagine her surprise when she returned home to find her entire family slaughtered, as well as her brother turned into a demon...Or
Nezuko and Tanjiro are swapped, Muzan is a hashira and I pulled an original character from my basement.
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Swapsaken (Spade's AU) by Spadenadduo for x_Arcticfox_x
Fandoms: Forsaken (Roblox), Roblox (Video Game)
24 Nov 2025
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Swapsaken but everyone’s gooning to the single father
Forsaken Swap AU where The Spectre was bored so it decided to turn all the killers into survivors and vice versa but 007n7 had been trying to find a way out, accidentally glitched out and talked to The Spectre so he’s still a survivor and now has to take care of his son whose a survivor and is still super scared of the killers who are now survivors but they don’t really remember him and are pretty nice to him uhh but the survivors who are now killers are now fricking obsessed with him or smth??
Where everyone falls in love with the twink ass pathetic father (EXCEPT THE KIDS!!) whose just tryna help his son survive this godforsaken place in this chaotic swap au?? Nobody really hates 007n7 in this one uhhThis was supposed to be a crackfic but uhh I don’t think it’s on crack anymore. Might be OOC and cringe. 007n7 is a bit pathetic and oblivious but that’s how we love our single fathers haha.
Some people might hate on me for changing some of the lore uhh
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Yeah, I gotta bounce, I got a meeting by AssWorms
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe)
24 Nov 2025
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Stone has to ask Walters for another bodyguard and Walter asks if it’s because Robotnik’s problematic behavior and Stone has to explain while beating around the bush that he still wants Robotnik as his full time assistant, however Stone doesn’t want to ever think there’s a chance that Robotnik could ever get hurt, so that’s why Stone just wants to change his job description from bodyguard to assistant.
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Smudged Lipstick by Queer_Bookworm_97
Fandoms: LEGO Ninjago (Cartoon 2011-2022), LEGO Ninjago: Dragons Rising (Cartoon 2023)
24 Nov 2025
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Jay is desperate to be reunited with the girl he loves, but he has no clue where she is, and there's a million things he and his friends need to deal with first - power-hungry empresses, mysterious Dragon Cores, weird moon rituals, something called the Forbidden Five and a new tournament.
Swap AU where Nya and Jay end up in each other's places after the Merge - Jay is stuck in the Realm of Madness, and Nya ends up in the Administration without her memories.
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Lackadaisy swap AU where many characters have their positions swapped!
Lackadaisy is still a crumping speakeasy that was once a small empire in the illegal bootleg business can it still hold after all this time?
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What if Adrien and Marinette had each other's miraculous from the beginning. / Swapped lives.
Aka What if Adrien was the main character and Marinette the rich kid with familial issues.Series
- Part 1 of Miraculous but chat Noir
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[Podfic] Switched by shorimochi by LadyEn for kealdrakemna
Fandoms: 陈情令 | The Untamed (TV), 魔道祖师 - 墨香铜臭 | Módào Zǔshī - Mòxiāng Tóngxiù, 陈情令 | The Untamed (TV) RPF
24 Nov 2025
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When an actor transmigrated into a fictional world, and a fictional character transmigrated into the real world.
There are a lot of things Xiao Zhan could do - sing, dance, act, cook, draw - but not fighting cultivators, and definitely not summon an army of corpses! Most importantly, how can he handle being around Wang Yibo's fictional self when he knew the man had been fantasising about him since fifteen?
Wei Wuxian swore just a few minutes ago he was still out there, destroying the Wens who had taken away his home, but when he opened his eyes he arrived at a dreamland where there are moving pictures, metal carriages, and people are so rich they poop in a beautiful white porcelain throne. Also, why does the Lan Zhan he saw smile so often and talk so much?
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This is in a universe that flips our two main hero's, Day, or Daniel, is now living the life of the rich he had only ever dreamed of after he got a 1500 on his trials, June, or Jolt, wasn't as lucky... She failed and is presumed dead by most, only having Tess by her side. That's all I'll say for now! I hope yall enjoy! *please note this is NOT going to be just Legend but the charters names are flipped, I do hope and try to make it different and possibly have completely different endings and circumstances, we shall see together though! The chapters are just each perspective flip.*
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Years passed since five heroes fell and embraced the darkness. Their souls turned dark that lead them to seal them away into the Silver tree. So why, when everything started to look finally bright, Beasts got free?
It's now in Blueberry Milk's and others Virtues quest to seal them back.But .....
What if there's still a chance to bring them back or even redeem?
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I'm bad at summaries, basically Swap AU
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When Jane and Max encounter a frightened boy known only as 012, Jane takes it upon herself to protect him. But keeping him safe won’t be easy—especially with relentless scientists hunting him and the looming threat of the Upside Down.
This story combines events from Seasons 1 and 2, with Byler taking center stage.
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That Moment When You and the Other Half Of Your Duo Gets Swapped With Another Duo, What Do You Do Then? by AFunky_Jester
Fandoms: Searching For A World That Doesn't Exist - Wifies (Web Series), The Music Freaks (Web Series)
22 Nov 2025
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Henry and Liam and D3rlord3 and AveryTheMayo swap universes, and a bunch of shenanigans occur from this
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After a brush with the sky people, the Metkayina clan seek uturu among the Omatikaya, believing war hero Toruk Makto can help them.
(I’m bad at summaries just roll with it)