1 - 20 of 22 Works in Oracle of Delphius (Sonic Underground)
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STH: Bajo los cimientos by chai_ssr
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground, Sonic the Hedgehog: The Animated Series
08 Sep 2025
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Summary
En un mundo sometido por Robotnik. Sonia y Manic intentan sostener los fragmentos de una profecía que ya no parece guiar a nadie.
Entonces, el destino les lanza a dos forasteros: Sonic y Tails. No saben cómo llegaron, ni cómo volver. Pero tienen claro que no pueden quedarse de brazos cruzados.
Aunque, para su desgracia… el rostro de uno de ellos resulta demasiado familiar.Crossover de Sonic de los juegos con la serie de Sonic Underground...
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STH: Under the foundations by chai_ssr
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground, Sonic the Hedgehog: The Animated Series
05 Sep 2025
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Summary
In a world subdued by Robotnik. Sonia and Manic try to hold on to the fragments of a prophecy that no longer seems to guide anyone.
Then, fate throws them two strangers: Sonic and Tails. They don't know how they got here, or how to get back. But it's clear to them that they can't just sit idly by.
Although, to their misfortune... the face of one of them is all too familiar.A crossover between the Sonic games and the Sonic Underground series...
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Can't Control The Storm by Its_Just_Zuniper
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground, Sonic the Hedgehog (Archie Comics), Sonic the Hedgehog (IDW Comics)
05 Sep 2025
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Summary
Triplets born, the throne awaits.
A seer warns of a deadly fate.
Give up your children, separate~Years ago, Queen Aleena of Mobotroplis was told by the Oracle of Delphius that the only way to save her family and kingdom from tyranny was to hide away her children and wait for them to defeat the evil Dr.Robotnik... and after years of hiding, the prophecy finally came true, but her eldest son, and the crowned prince, Sonic is unable to unlearn what it means to be a hero and now can't sit by as the world outside keeps spinning.
(This fic is inspired by the music videos made by Faith Scarred on YouTube, but it's only around 80% music-accurate since I had to take some creative liberties to make it make sense in written form. Also, this fic will have chapters updated to make it longer and to fit in better with the newer music videos, but will not lose the original plot.)
Series
- Part 1 of Can't Control The Storm
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Outrunning Fate is a Bad Idea by AmethystFox_044
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground
03 Aug 2025
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Summary
It has been eight years since the defeat of the Robotnik Empire and the restoration of royal family of Mobotropolis.
When the first televised showing of the festival is shown to the rest of the world, Sonic and his friends go to the city to find if there is a way to get rid of Eggman for good.
But only Sonic knows that his return will have consequences...after all prophecies have a nasty way of becoming true.
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The Prince of Mobotropolis by Hopliln
Fandoms: Sonic Underground, Sonic Boom (Cartoon), Sonic the Hedgehog - All Media Types
05 Jul 2025
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Summary
A queen blinded by power
Her brothers chased away
Their father long gone
A mother and her brother in hiding
They find another and return
A nephew resurfaced within chaos
Her madness will be her downfall -
Legacy Of The Past by verdenite
Fandoms: Sonic Underground, Sonic the Hedgehog - All Media Types
29 May 2025
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Summary
while on a routine mission; the sonic underground runs into a roboian one of them recognizes and learn more about the history of their world in a very personal way
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Sonic Underground Remix by aceina, TheBrcklayer
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
27 May 2025
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Summary
You know the story, of triplets born, the throne awaits. A seer warning of a deadly fate!
But what if the story was remixed a little, with new threats and new villains facing the three siblings? Will the prophecy still come true?
And yet, they still make the same vow. Their mother, will be found, as the band Sonic Underground!
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Feat Dr. Starline, Cream the Rabbit and Miles 'Tails' Prower.
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But now, I’m a free hero by Imanepilepticfreak
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
14 Feb 2025
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Summary
Sequel of ‘An exiled hero?’
Series
- Part 17 of Sonic/Sonic Underground
- Part 5 of The exiled hero
- Language:
- English
- Words:
- 58,210
- Chapters:
- 1/1
- Kudos:
- 3
- Hits:
- 163
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Rewrite Sonic Underground by Mr_MD
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
01 Feb 2025
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Summary
Rewrite of Sonic Underground, adding extra characters and rare charm.
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let's see where you've been by JaxWhacks
Fandoms: Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog - All Media Types
25 Jan 2025
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Summary
If it hadn't been a full day, and if it hadn't started with Knuckles getting blasted, Sonic would almost think he was just meditating. The echidna sits with folded legs, eyes closed, chest rising and falling. It doesn't look like anything is wrong.
Sonic folds his arms. Looks can be deceiving.
"So?" Voice soft, Tails watches over the so-called-Oracle's shoulder. Green magic twines around the alligator's hand, twisting between Knuckles' quills. "Do you know what's wrong?"
"He is trapped within his troubled mind," the Oracle breathes. His hands retreat back into his cloak. His glowing eyes pierce through the shadow of his hood. "You must enter his memories and discover that which he is locked within."
"We have to go into Knuckles' brain?" Sonic gasps, leaning forward. "How?!"
"I will send you."
Series
- Part 3 of year of the echidna 2025
- Part 6 of got that sonic swag
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Sonic Underground (REWRITE) by Ragdoll_Random
Fandoms: Sonic Underground, Sonic the Hedgehog - All Media Types
21 Jan 2025
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Summary
Sonic wants to be a hero. At least, that's what he should want. But he's terrified of putting his uncle and little brother in danger. But when the tyrannical Dr. Robotnik pushes things too far, he's ready to take on whatever.
Manic doesn't exactly have anything. And he doesn't think he should care all that much, even if he unfortunately does. But when he's finally given a chance at having purpose, he's ready to do anything to hold onto it.
Sonia grew up with a tarnished silver spoon in her mouth. Maybe it's been slowly killing her, but it's attractive to the compliant eye. But when fate and her own memories force her hand, she needs to learn a few things. About the world, and about her own life.
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Sonic Underground Remake Season 1 by Julayla
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground, Conker's Bad Fur Day, Banjo-Kazooie (Video Games)
18 Dec 2024
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Summary
(Slight rewrite due to certain OCs changed and such) The first season on Sonic learning that he is of royalty, reunites with his long lost siblings, them allying with new friends and foes and taking on the likes of Dr. Robotnik and his crew alongside other adventures with some lore expansion alongside involvement from the worlds of Banjo-Kazooie and Conker's Bad Fur Day.
Series
- Part 1 of Sonic Underground Remake: The Series
- Language:
- English
- Words:
- 3,960
- Chapters:
- 1/?
- Kudos:
- 2
- Hits:
- 70
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Ready Or Not: Underground by goofnutgav
Fandoms: Ready or Not (Video Game), Sonic Underground
25 Nov 2024
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Summary
David "Judge" Beaumont is an LSPD SWAT sergeant who's been given command of a squad to deal with the growing crime wave in his city of Los Suenos, California.
But, just as he deals with a conspiracy he is somehow involved in, his whole world is changed forever by a tyrannical Roboticist and his army of machines, who invade his home dimension and throw everything into chaos.
Series
- Part 1 of Fight for Freedom
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Summary
Sequel of ‘We have to find her’
Series
- Part 2 of We found Sonic
- Language:
- English
- Words:
- 4,998
- Chapters:
- 1/1
- Kudos:
- 6
- Hits:
- 232
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Summary
A collection of fic prompts from 2 graphics for Sontails week. I adore this ship and am excited to contribute to it. The prompts are:
11/21- Tails’s Birthday/Anniversary
11/22-Dimensional Crystals/Prime
11/23- Cyberpunk/Steampunk
11/24- Isekai
11/25- Christmas/Halloween
11/26- The Ball
11/27 (First Prompt)- Free
11/27 (Second Prompt)- Appointment/Hobby
11/28- Dancing/Combat
11/29- AU/Movies or Series
11/30- Dreams/Fears
12/1- Video Games/Spinoff
12/2- Songs/Memes
12/3- Gender Swap/Christmas -
Heart of the Ocean by Poster16
Fandoms: Sonic the Hedgehog - All Media Types, The Little Mermaid - All Media Types
30 May 2023
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Summary
For as long as he's been alive, Sonic has longed to meet the sailors that glide above his undersea home and to see all the world they live in. What he doesn't expect is a chance meeting with the captain of a pirate ship or the fact that he begins to fall in love. He knows what he wants, but doesn't exactly know how to go about getting it.
Shadow, reserved captain of the Final Hazard, has sailed the seas for so long, he knows most everything about it. What he doesn't expect is to meet a Merhog and then get saved from a storm that same night by a mysterious figure. He's got questions, but not answers.
The ocean is mysterious, as is the heart. Can both of them find the answers that they seek?
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Agents of G.U.N: Origins by JOKERZWYLDE
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground, Sonic the Hedgehog (Archie Comic)
12 May 2023
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Summary
Sonic Maurice Rose Hedgehog has told his story countless times in interviews, speeches, and conversations. But only he and his close family and friends know the truth of what happened. So one day, he decides to explain to his children, for fear that he might lose them like he nearly did his family, as well as to get some closure on the events that affected his life.
Series
- Part 1 of Agents of G.U.N.
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Summary
The mission was easy.
Get in to the cave.
Find what Robotnik was after.
Get it.
Get out.
Easy. Right?Series
- Part 1 of New beginnings in an old world
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How To Save the World and Find Your Family (Again) by Cybixin
Fandoms: Sonic Underground, Original Work, Sonic the Hedgehog - All Media Types
16 May 2022
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Summary
Sterling Sinclair is the 17-year-old de-facto leader of the Sonic Underground, with a 9-second 100-meter dash. Until suddenly, he's a long-lost prince, and part of a set of triplets?
Kirsten Montgomery is the heiress to the Montgomery fortune, until her mother disappears, and she's saddled with two of the most insufferable ruffians she's ever met. Who also happen to be her siblings.
Peregrine is the most successful street thief this side of Miavik, and they're content with the family they already have. So what does it mean when two siblings basically fall into their lap?
Rewrite of Sonic Underground because it was a genius concept of a show with truly abysmal execution. Can be read with no knowledge of Sonic Underground or Sonic in general.
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Beware the Perils of Online Dating Book 4 The Fallen by CearaIvory
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
04 Sep 2021
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Summary
Sonia and Bartleby arrive in Robotropolis to the welcome of old friends from the resistance. Not recognizing them, Sonia was forced to admit that she had lost her memory. Revealing the depths of the injury, she referred to Robotnik as Father. Cyrus, still in love with Sonia, was heartbroken that she didn't even know them anymore and was hesitant to keep the secret. However, Bartleby warned that if her memory came back too hard or too fast then things could be made worse.
Series
- Part 4 of Beware the Perils of Online Dating