1 - 20 of 55 Works by Poster16
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Five years have passed since the Doom Empire fell. Five years of planning that's about to come to fruition.
When a messenger from the rebellion in New Yolk (once the site of the Doom Empire's capital city) arrives with a rumor for Sonic, the hedgehog leaps at the chance to get revenge at those that harmed the people he loved. But it's not as easy as it appears, with a tangled web of words and actions. Everyone has their secrets and their motives. The shadows are full of secrets, promises, and deals are made. The line between truth and lies, friends and foes, and dark and light has fogged and blurred beyond recognition.
But one thing is clear in Sonic's mind: he will do what he must, no matter the cost.
Series
- Part 3 of Time's Promise
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A bunch of fluffy Sonadow prompts for February. All the prompts are in the same AU unless otherwise noted. List is posted by @SonadowHQ on X!
https://x.com/SonadowHQ/status/2017896454128533948
Series
- Part 2 of Month of Sonadow
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Sonic AU 2025 by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic X (Cartoon 2003), Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog (Archie Comics)
02 Feb 2026
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A collection of oneshots taking place in seven different AUs. Tags will reflect each one. List of prompts is here: https://www.tumblr.com/sonic-au-august/790056826947420160/say-hello-to-the-2025-sonic-au-august-prompt-list?source=share
AUs are (in no particular order in posting):
1) Time's Promise
2) Elysium
3) Modern Racing (Starts with Crossworlds)
4) Tír na nÓg with hints of Hades and Persephone
5) Creation (What if Sonic was born on the ARK?)
6) Bakers (Arthurlot)
7) Movie AU (Shadow gets taken in by the Wachowskis) -
Fluffcember 2024 by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog (Archie Comic), Sonic the Hedgehog (Video Games), Sonic Boom (Cartoon), Sonic the Hedgehog (Live Action Universe)
23 Jan 2026
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Just a bunch of fluffy Sonic-themed oneshots for the month of December. List comes from @fluff-cember on Tumblr!
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The Silent Jester by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (IDW Comics), Schneewittchen | Snow White (Fairy Tale), Sonic the Hedgehog (Live Action Universe), Den lille Havfrue | The Little Mermaid - Hans Christian Andersen, Beauty and the Beast - All Media Types
13 Jan 2026
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A king, mad with power. A runaway prince in disguise. And a king who will do anything to find his lost love.
King Ivo seeks one thing and one thing alone: power. So when his stepson is revealed to be superior than he, King Ivo decides to finish the job he started.
Prince-turned-servant Sonic's only crime was falling for a king on the palace stairs and for existing. On the run from his stepfather, he agrees to a Faustian bargain to escape. Sheltered in his lover's kingdom, Sonic must win back his lover's heart or pay the price.
King Shadow will stop at nothing to find the prince he loves. While seeking his lost love, he rescues a voiceless stranger with a flair for dramatics. Although disinterested at first, it becomes clear to Shadow that his new jester is more than what he seems; and Shadow finds himself torn between two conflicting loves.
The choices they make will define them. And the silence between will do the rest.
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Long Shadows by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Barbie as Rapunzel (2002)
08 Dec 2025
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Shadow has spent his entire life cut off from the world...until a discovery, love, and imagination change everything.
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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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Sonic is surprised when he discovers the king in his bedroom.
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Sparks are flying. A storm is brewing. And peace is but an illusion.
Finally free from slavery, Sonic embraces his new life in Soleanna; eager to forget the misery and torture of his past. But living and learning is harder than expected, and now that he’s no longer outside looking in, he can see that not everyone sees things for what they could be. Especially in regards to his former home of the Doom Empire.
After years of watching his kingdom crumble, newly-crowned Emperor Shadow seizes the opportunities to build the future he wanted – one built on the dreams he and Maria had. But not everyone shares his enthusiasm and it’s not long before Shadow finds himself on the same tightrope he walked before with a far bigger spotlight and a sea of voices eager to drown his own.
Choices will be made. And nothing will ever be what it was or what it could be.
Series
- Part 2 of Time's Promise
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Shadow likes making meals. Sonic's not shy about that.
OR
Five times Shadow made food and the one time Sonic did (without any incidents).
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The jester comes forward with a proposal that will change both their lives. The king's not so eager, but goes along anyway. What's the worst that could happen?
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They never needed a big party, just each other and something that the other loved.
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Sonadowtober 2023 by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
20 May 2025
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A bunch of oneshots related to Sonadow! List by @quietpossum on Twitter!
https://twitter.com/sonadowtober/status/1705579080882499958
Series
- Part 2 of Sonadowtobers
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The king has a fondness for his jester. It's about time he shared that.
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Fondest Hopes Fulfilled by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Den lille Havfrue | The Little Mermaid - Hans Christian Andersen
01 May 2025
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A reimagining of "Heart of the Ocean"'s ending based on one question: What if Sonic fended off the kidnapping and made it to the church on time?
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Quest for the Holy Hand Grenade by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Monty Python and the Holy Grail (1975), Sonic the Hedgehog (Live Action Universe)
05 Apr 2025
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After a time of peace in Camelot, Lancelot sets out on another quest for his mighty king.
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Sonic, unbeknownst to him, is an unmated omega in heat. But someone else notices and decides to fix it.
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MarinerMay 2024 by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Prime (Cartoon 2022), Sonic the Hedgehog (Archie Comic)
30 Mar 2025
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A list of various pirate adventures! List provided by @YouHalfWit on X!
https://twitter.com/SonicMarinerMay/status/1763693718232760444/photo/1
Series
- Part 2 of Mariners
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Month of Sonadow by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games)
28 Feb 2025
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A list of fluffy Sonadow fics in time for Valentine's Day. List comes from @DailySonadow on Twitter!
Series
- Part 1 of Month of Sonadow
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Make of Us One by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Romeo And Juliet - Shakespeare
25 Dec 2024
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One night. One chance meeting. One love story that changes everything.