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Alter-Egos by Sky_Queen
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Manga 1992)
09 Nov 2025
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Summary
Nicky Parlouzer, returning home to Station Square after five years away, is just a normal kid. Or . . . at least that's what he thought. Not everything is as it seems, and now there's a mystery to uncover that's stayed hidden for the last fifteen years. What is the truth? Will learning it tear everything apart in the process?
Will anything ever be normal again?
[Updates Weekly!]
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Infinity Of Chaos by PlatinumMillennium78
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (Archie Comic), Sonic the Comic, Sonic Boom (Cartoon)
09 Nov 2025
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There's a strange pull or a perilous pressure that's been collectively felt by the Hero of Mobius. Dr. Eggman has been silent for three years straight, there's been a recent terrorist attack by a group called the Jackal Squad, and there's been mysterious appearances of an unknown stranger lurking around Mobius. These three things will spark a cataclysmic event that multiple realities would never see coming. In due time, Sonic and Shadow will realize that they're far more special than they ever imagined. They will also see just how crucial their relationship is to each other, and how far they're willing to go to prove that they belong together.
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The Vanishing Point by earths_second_moon (Isekai_Bis)
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Shadow Generations - Fandom, Sonic x Shadow Generations - Fandom
09 Nov 2025
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Summary
Death followed its Marias everywhere. It was death that kept Shadow and Maria apart, in every timeline. He, built callously without it, and she–as a counterweight–pursued by it twofold, so that she could never escape. But she no longer would live a sacrificial lamb to be led to the slaughter.
No. In every timeline, Maria Robotnik was going to live.
Shadow and Maria have seen through a lot in their immortal lifetimes. But things begin to take an even stranger turn when a time-traveling, multiverse-hopping "Mariya" comes knocking on their front door, with her attack-dog Shadow in tow. As they begin to uncover Mariya's vengeful plot that is devouring multiverses, Shadow and Maria must reckon with the forces that brought the two of them together - and tore them apart - in the first place.
CHAPTER UPDATE 11.9.25: Mariya gets a little dodgy when asked questions about White Space... but not to worry! She brought treats!
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Lotus Island by AndromedaHorizon
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (IDW Comics)
09 Nov 2025
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Summary
Lotus Island, a hidden feline kingdom rich with magic and history, falls under the attack of Eggman's forces. With her people stolen, her kingdom shattered, and her older sister trapped, little Princess Lilac begs Sonic, Shadow, and their allies to help her save her home. Together, they uncover conspiracies, battle Eggman's forces, and face the heavy cost of duty, trust, and sacrifice.
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Artificial Hope by electrikitty_writes
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
09 Nov 2025
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Summary
Shadow may have moved on from the events of Space Colony ARK, but now he has to learn how to live beneath the haunting spectre of White Space.
Still reeling from the recent loss of Maria and Gerald, Shadow finds himself back in Central City, resuming his work as a G.U.N. agent to distract himself from his grief. But G.U.N. is suffering from a public image crisis, and their actions force Shadow to reckon with his past once again. In their desperation, G.U.N. asks him to work alongside the Central City Children’s Hospital to help sick children.
This PR stunt was obviously designed to exploit Shadow's past and invoke Maria's memory, and Shadow knows it. But despite his anger and misgivings, he realises that the hospital program would finally give him a second chance to fulfil his intended purpose as a cure. He can't ignore the risk that his efforts might help G.U.N. whitewash their past actions ... but this opportunity could also help him find a new way to fight for the world that Maria loved.
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Summary
Sonic's a geeky loser who has bad social skills.
Shadow is a popular loser who has bad social skills.
When Shadow helps Sonic open his locker on the first day of the semester, things suddenly go all out of whack and all of a sudden he's joining Sonic under the bleachers during lunch and damnit he's actually kind of nice.
Maybe Sonic could finally get a friend that wasn't a total weirdo? -
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Summary
Among the many challenges a newborn Shadow the Hedgehog must face on his first day out of stasis, he certainly didn't expect sleeping of all things to be so complicated. Luckily for him, Maria is there to teach him, among a few other things.
(Written for the Echoes of the ARK zine)
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Fluorophore and Diphenyl Oxalate by RandomTheBat
Fandoms: Sonic the Hedgehog - All Media Types
08 Nov 2025
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An alternate ending to “Glow Stick” bc even though I knew it’d be a sad ending, Shadow deserved betterrr ;m;
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Sonic: The Realm Lord by Wario0712
Fandoms: Sonic the Hedgehog (Video Games), Sonic the Hedgehog - All Media Types
08 Nov 2025
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Summary
When Eggman abandons Earth in search of a new world to conquer, he leaves behind a dangerous power vacuum—and chaos rushes in to fill it. As new and old enemies rise, Sonic faces an impossible choice: pursue his nemesis across the stars, or stay and defend a fracturing world in desperate need of its greatest hero.
But the deeper the conflict runs, the more Sonic and his allies begin to suspect a hidden hand is guiding their paths. A mysterious entity known only as the Realm Lord weaves a web of manipulation, ensnaring the fates of old friends like Amy and Tails, former rivals such as Knuckles and Metal Sonic, and even unlikely heroes like Cream the Rabbit.
Meanwhile, Shadow the Hedgehog launches a desperate journey through time and space, seeking the truth behind the being who spared him after the ARK Incident—and the dark secret it holds about his origin.As the Realm Lord’s designs come into focus, Sonic is pushed to the edge of his endurance, forced to confront enemies he can't outrun and choices he can't undo. To save the world, he may have to sacrifice the very thing that makes him who he is.
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Maria's Second Chance (In A Modern World) by PaxianOrvell
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
07 Nov 2025
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Despite having an incurable sickness known as NIDS (thus forcing her to live within the confines of a space station), Maria Robotnik was a sweet, joyful, and innocent girl who one day hoped to be freed from her illness. Alongside her friend, Shadow the Hedgehog, they promised that when that time came, they'd enjoy a life on Earth together. However, an unfortunate series of events led to Maria's demise, and Shadow being separated from his friend forever. Yet not everything was it seemed, as 74 years after the incident on the Space Colony ARK, that once-sickly girl reawakens in the modern world.
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Unseen Stars by Aliminz
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe)
08 Nov 2025
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Summary
Grey ash-like embers coated the ground where she stood, or so she believed she was standing. They acted as if a blanket lay seamlessly across the titanium shield that encapsulated her. The girl's body was forever unmoving, like a porcelain doll trapped upon a collector's shelf.
Ahead of her, a boy of sorts was pulling her along this endless fog-filled corridor. She was sure he was saying something to her, panicked even. Like he always did. This endless loop between life and death, forever timeless. Unchanging.Or
After the events of the eclipse cannon, Shadow is captured by G.U.N and once again is used for experimentations. Sonic is left alone to mourn Shadow’s absents, unable to explain his feeling to anyone and suffers over time.
At the same time, a power surge emitted from a secret lab created Gerald Robotnik which held none other than his own granddaughter who had been transformed with no recollection of her past life, now used as a weapon to terminate Sonic the hedgehog and later, Shadow too. -
Meet Me At Grandma's House by Mossfaerie
Fandoms: Sonic the Hedgehog (Live Action Universe)
07 Nov 2025
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Summary
Shadow struggles to survive on his own after waking up with no memory of what happened after he got out of stasis. A sweet, elderly stranger offers him help, but he is hesitant to accept. AKA - Adorable found-family fluff in which Shadow gets to experience life outside of a cold lab. (No ships all platonic stuff)
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You Made Me Happy. by midnight_r3quiem
Fandoms: Sonic the Hedgehog - All Media Types, Silent Hill (Video Game Series)
07 Nov 2025
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Summary
"Anyways, my name's Mary, what's yours?"
That voice, he could've recognized it anywhere. She was just like her...
After receiving a letter from the long-passed Maria Robotnik, Shadow the Hedgehog sets off to find her in an abandoned town consumed by not just an eerie fog, but many horrors lurking beneath the surface specifically for him.
Funny, isn't it? How the past always finds a way to haunt you?
- Language:
- English
- Words:
- 3,661
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 38
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Summary
A collection of sweet, fluffy, and maybe sometimes angsty Sonadow prompts all throughout October. Prompts are all in the same AU unless otherwise noted. List is here: https://www.tumblr.com/sonadowtober/794753239683825664/sonadowtober-2025s-prompt-list-is-here-these
Series
- Part 4 of Sonadowtobers
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Shadow x Aqua Chain of Generations: Re:MiX by Aragorn_II_Elessar, FictionWriterHaz18
Fandoms: Sonic the Hedgehog (Video Games), Kingdom Hearts (Video Games), Pocket Monsters | Pokemon - All Media Types, Compilation of Final Fantasy VII, Final Fantasy VI, Illbleed (Video Game), Parasite Eve, Final Fantasy VIII, Arcane: League of Legends (Cartoon 2021), NieR: Automata (Video Game)
07 Nov 2025
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Summary
The other side of the Chain of Generations storyline.
Shadow the Hedgehog is haunted by visions and a growing power within. His search for answers leads him back to the ARK—and the return of Black Doom. But the true danger lies deeper, within White Space, where echoes of his creation begin to awaken a forbidden power.
Aqua, still burdened by her identity as a Nobody, searches for Ventus and a way to restore the Land of Departure. But her path is also pulled into White Space—where Mephiles the Dark, armed with the Phantom Ruby, seeks to rewrite the timeline itself.
Together, Shadow and Aqua must stop Mephiles and Black Doom, rescue lost worlds, and guide displaced allies like Maria, Gerald, Terra, Silver, Cloud, Tifa, Elise, Orbot, Cubot, Aya Brea, and more.
Meanwhile, running concurrently in Sonic Chain of Generations: Re:MiX, Sonic’s birthday is cut short when Terios—tied to a shadowy Organization—scatters his friends across time and space. With help from the mysterious man in red and some unexpected allies, Sonic must race through time to stop the Organization’s plans and bring his friends back.
Series
- Part 5 of Kingdom Hearts: The Blue Blur Saga
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Summary
[ a "what if" spin on the Sonic 3 Live Action movie. spoiler warning! ]
`Shadow is fed up with the world and Sonic is fed up that Shadow wants to end it all. Just how persistant can two ego-centric fluff balls be with each other?`
[ a two part sonadow fanfic. enjoy! ]
- Language:
- English
- Words:
- 1,876
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 36
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Chaos: Tales of Shadow and Sonic !!!WIP ONLY, NOT THE ACTUAL FIC!!! by idkthidwmfl_li
Fandoms: Sonic the Hedgehog - All Media Types
07 Nov 2025
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Summary
Basically Miraculous: Tales of Ladybug and Chat Noir but I made it Sonadow
I changed a LOT of relationships and roles so this could work, but let's stick to the main characters for now:
Adrien is Terios(real name)/Shadow(hero name)
Marinette is Nicky(real name)/Sonic(hero name)The love square:
Terios ♥→ Nicky
↑↓friends ↑↓♥
Sonic ♥→ ShadowBrief Terios/Shadow story: Terios and Maria are both senti-beings, Maria was Gerald's first attempt at creating an artificial life form, but she was weak and ill with NIDS, so Ivo, Gerald and Black Doom created Terios(he doesn't know he'sthe immortal ultimate lifeform), after 15 years of using him to try and find a cure Maria died at the age of 30 because of her death Gerald commits suicide at the age of 90, and now Terios(who was kept alive as Maria's last wish) and Ivo live together, Ivo still trying to find a cure for his cousin, as Maria is actually being kept "alive" beneath their house
Also their transformations instead of putting them in costumes make them into mobians LMAO😭(I might change that, but that's not likely)
more info in notes
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Stars Align by initforthelolz
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe), Sonic Boom (Cartoon), Sonic Prime (Cartoon 2022), Sonic the Hedgehog (IDW Comics)
07 Nov 2025
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Summary
After witnessing a terrible tragedy, Shadow is frozen in stone for five hundred years. When the spell finally ends, he has only one goal: revenge. But he'll need a bit of extra fire power to make his enemies pay. Unfortunately for him, a certain blue hedgehog is hell bent on making sure that this power doesn't fall into the wrong hands.
OR
Sonic and Shadow chase each other across the globe and beat each other up a whole lot along the way.
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first class by JesterOfOurOwn (VendoEmpanadas)
Fandoms: Sonic the Hedgehog - All Media Types
06 Nov 2025
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Summary
“I want you to work for me, it's true, but it would be a waste to have someone like you as a mere seller. Someone with your skill…” Those emerald green eyes scan him from head to toe, and for a moment, Shadow swears he sees something hungry reflected in them, “...Deserves much better.”
Shadow swallows, his mouth dry with anxiety.
Shadow is a college dropout, surviving paycheck to paycheck while paying off debt and his sister’s treatment, when the head of the biggest drug trafficking ring in the country offers him a job.
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Egotism by Nyszu
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
06 Nov 2025
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Summary
egotism. (also egoism)
noun. disapproving
thinking only about yourself and considering yourself better and more important than other people.Shadow is asked to help Maria's sister. He agrees out of pure selfishness. Or so he thinks.