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Back for another year of sonadowtober, let’s see how it goes.
Some prompts might be messy drawings instead of writings ;)Prompt list!! -> https://www.tumblr.com/sonadowtober/794753239683825664/sonadowtober-2025s-prompt-list-is-here-these
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Betting on the Past by IvyTheSnivy
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic X (Cartoon 2003), Sonic the Hedgehog (IDW Comics)
09 Oct 2025
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The hedgehogs are out of the bag! Behold, the companion fic to tFTA!
“Betting on your past selves, my favorite pastime!” - Adventure
Series
- Part 4 of The Fastest Things Alive Series
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Kinktober 2025: Sonic Edition by downwiththeseships
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Archie Comics), Sonic the Hedgehog (IDW Comics)
09 Oct 2025
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Welcome back to 2025 Sonic Kinktober with your host Downy!
31 silly kinky prompts, as many ships as you please, and a whole lot of sex.
Ships and kink prompts will be noted in chapter titles. -
The Fool's Dance by NitrousOxide
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
09 Oct 2025
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The Court Jester Sonic has taken an interest in Sir Lancelot, much to the knight's displeasure.
The knight does not understand why this Fool clings to him, but as much as he dislikes admitting it he somewhat enjoys the company.
However under King Infinite's rule there are spies everywhere, and the Jackal King does not take kindly to those who disobey him.
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Oneshot collection for kinktober list I found on X.
Series
- Part 3 of Sonadow Sexy Time
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It’s October!! Kinkotober started, but i wanted to make it sonadow!
Each day, i’ll post a short fic with a kink or two from the list.
Advertisement will be added in case a chapter may contain sensitive topics.
For those who are gonna read it, have fun! -
Sonadowtober 2025 by eggseabutter, ratjamtime1EndRacismintheOTW1
Fandoms: Sonic the Hedgehog - All Media Types
08 Oct 2025
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It's Ocotober yet again, which means, also yet again, it's time for Sonadowtober! Let's give it up for some gay hedgehogs!!!! delightful! This year with some accompanying art from our totally retired dear friend @/eggseabutter.
The list is here at @/sonadowtober so keep an eye out for that! https://www.tumblr.com/sonadowtober/794753239683825664/sonadowtober-2025s-prompt-list-is-here-these?source=share
Without further ado, let's get this ball a-rolling!
Series
- Part 5 of Sonadowtobers
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Calibration by TransToastGhost
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe)
08 Oct 2025
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Sonic finally had a place he could call home, a warm bed, a friend and finally a place he could belong. Now he was officially a resident of Green hills, it's all uphill from here for the blue hedgehog! At least until he starts getting dreams of someone else’s memories, a black hedgehogs memories
What if Sonic met Shadow MUCH earlier than Tokyo? What if they met (in some capacity) when Sonic was just moving into the Wachowski home? How much would change?
OR: Sonic meets Shadow in his dreams and the two become friends (and more)
Series
- Part 3 of Synergize
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Sonic travels through dimensions and finds a different and bigger version of shadow
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Found the key to my cage(but I don't leave often) by Majoring_in_hurt_minoring_in_comfort
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
07 Oct 2025
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Mania (man-eye-a)thw hedgehog of spagonia is the first last born sibling to be in line to the throne after the affairs of Queen Aleena. He has no discernable personality traits and is only seen accompanying his siblings and mother. The law does not want him. He smiles in photos.
Sonic is a wild anti-monarchy rebel and a raging ego filled activists often fighting both mechanical and living royal forces. He is seen with a plethora of other "freedom fighters". Sonic is wanted by the law, unlike Mania. Unlike Mania, sonic is Wanted.
The two have never been seen anywhere simultaneously
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The Fastest Things Alive by IvyTheSnivy, Umbren_Shadow, Xavier3
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog (Archie Comic), Sonic Boom (Cartoon), Sonic Underground, Sonic the Comic, Sonic X (Cartoon 2003)
07 Oct 2025
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VivalaRevolution
Yk this is the second chat I've been pulled into against my willKnightOfTheWind
It's good to have you
I've lost control of it
I only added the first four people, idk where you came fromSonicBoom
Oh no
Are we sure the chat isn't some kind of egg plotClassicVibes
o/
こんにちは!SonicBoom
Hello???Youshouldseemeinacrown
This is a hell chat, is what it is
Except for you, Classic. You're fine.ClassicVibes
¬‿¬SonicBoom
There isn't an option to leave the chat.Series
- Part 2 of The Fastest Things Alive Series
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Marine bound by TransToastGhost
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground
07 Oct 2025
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Sonic was always afraid of the ocean.
Of course, it came with his parents dying in a shipwreck leaving him and his siblings to live with their Uncle Chuck at a young age.
But something called him to the sea, someone called him to the sea.
An infamous Pirate captain, Captain Shadow.
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Tapes and Long Held Secrets by Lex_the_Moss
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
07 Oct 2025
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“Thanks for getting here so quick Shadow- To be honest, I wasn’t sure if you were going to come at all-"
“Rouge.”
“Right. Okay.” Rouge broke off for a moment, taking a breath before resuming. “So. The tapes we found are… not quite what we thought they were.”
"I thought we agreed to hand them over to GUN to take care of."
"I know, but... I got curious," Rouge admitted, and Shadow scoffed, unsurprised, though growing more tense when he noted the unease in his friend's expression, her posture.
He followed Rouge into their living room. Sat on top of their end table was the box Shadow recognised, spotting the tapes they had recovered in the Eggman base poking out through the opened slit.
“Okay.” Shadow said, voice his usual deadpan drawl as he returned his attention to the bat. “What was it that was so important you needed me here?”
“I’ll just show you.”Or
Shadow and Rouge find a box of tape recordings in an abandoned Eggman facility with one clue on it; a piece of tape labeled 'SONIC'. When they finally watch the tapes to figure out what's hiding on them, they realize Sonic has been hiding a lot from everyone, and they may have just signed up for more than they bargained for.
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lavender and petrichor scented endearments <3 by StryderTheHedgehog
Fandoms: Sonic the Hedgehog - All Media Types
06 Oct 2025
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Sonic and Shadow are both trans, but have not come out to each other. Both of them have crushes on each other. Both are scared of how the other will react to them being transgender.
But now their feelings for each other are getting more real. Now they actually have a date planned.
So… now what?
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NOTE: THIS IS AN 18+ ONLY / SMUT FIC. THERE WILL BE EVENTUAL SMUT. ALL CHARACTERS IN THIS FIC ARE ADULTS.
Series
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Whenever one is in trouble, the other comes running. Sonic gets a text from Rouge saying Shadow is in trouble, coming to his aid Shadow seems to have found himself bound to a golden cuff. As Sonic has come to the rescue to save his rival, he too, is entrapped in this gold cuff. Conjoined together, and now figuring out how to get it off. With the only knowledge that could help them get it off in the hands of the white bat.
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Hey there, its Sonic and Shadow (AND TOM!!!) by hellofanerror
Fandoms: Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog - All Media Types
06 Oct 2025
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Tom and Maddie love Shadow! But they had no clue Sonic and Shadow were crazy about each other... until Tom catches them making out. Tom does his best to keep the two boys from dating, while still trying to be a good father figure.
(idk how long this will be, until i stop coming up with ideas i guess!)
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Sonic gets an inexplicable stalker. It's not as bad as it could be.
(An alternate version of Follower).Series
- Part 4 of Follower
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The Scales of My Heart 🔞 [Shadonic] DRAGOBIAN AU 🐉 by KakiPotatoes
Fandoms: Sonic the Hedgehog - All Media Types
06 Oct 2025
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A story of survival, of attraction, of healing.
And of two hearts learning to beat in unison, beneath the skin and beneath the flames.
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Warnings ⚠️
- Shadonic/Sonadow type love story.
- Explicit and sexual content between characters.
- There will be chapters not suitable for minors, I will put a warning at the beginning of the chapter and emojis 🔞🌶️ in the title to indicate it.
- Story with OMEGAVERSE content. (Sonic Trans)If you do not like such content, you can not read and move on. Refrain from comments that incite hatred and violence.
If you notice any gaps in the story or errors, do not hesitate to report them to me. You learn from your mistakes, and with mistakes you grow.
The characters do not belong to me, they are the property of SEGA.
Series
- Part 5 of DRAGOBIAN AU
- Part 1 of Stories in English
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The Only One Who Can Keep Up by chronicallyAcoward
Fandoms: Sonic the Hedgehog - All Media Types
06 Oct 2025
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College life is crazy for Sonic the Hedgehog, especially when his neighbor hates his guts. Regardless, he's willing to try everything to gain another friend (and an unlikely lover.)
☆ INSPIRED by "One Floor Up" by SilentHillZone! ☆
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Ardent Devotion by MalewifeShadow (Narutwink)
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics)
05 Oct 2025
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“Where do you want me to touch you?” He asks gently.
“Huh?” Sonic stammers out.
“Where,” Shadow begins as he slides a little further down onto Sonic’s lap, “do you want me to touch you, Sonic? ”
And there’s the voice, the tone, he always says Sonic’s name in. The one that continuously pushed him into this feeling in the first place.
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Or the one where Shadow is a horny priest and Sonic is just a disaster.