Sonic the Hedgehog Crossovers
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The Dimensional Saga: Final Fantasy VII arc by Twilight Master Emerald reviews
The part 2 of TDS is out now!, join him, Zack Fair from FF7 Crisis core, and one from Mobius other as they go to FF7's version of Gaia and Emerald and this OC help Zack deal with Sephiroth and the issues that come from Zack reappearing in Gaia when most think he has died... expect lemons galore from chapter 1 onward, may rarely have Sonic characters join in may not
Crossover - Sonic the Hedgehog & Final Fantasy VII - Rated: M - English - Romance/Adventure - Chapters: 18 - Words: 196,967 - Reviews: 4 - Favs: 13 - Follows: 12 - Updated: 9h - Published: 7/24/2022 - OC, Aerith G., Zack F.
Colorful Heroic Soliders of Mobius by lupiniiiredawesome reviews
time passes by however and unexpected twist of fate a group of colorful idiotic soldiers crush landed on the planets known as Mobius the home of Sonic the Hedgehog and his friends were to colorful soldiers crazy and epic Adventures of this new home their's..
Crossover - Red vs. Blue & Sonic the Hedgehog - Rated: T - English - Adventure/Humor - Chapters: 3 - Words: 3,705 - Reviews: 2 - Favs: 5 - Follows: 5 - Updated: 11h - Published: 7/30
Harry Potter and the Prisoner of Azkaban (Sonic Style) by Jacob Marley1991
Silver the Hedgehog begins his third year at Soleanna. However once we arrives he notices the atmosphere is quite tense. A murderer has escaped Prision Island and the whole Wizarding Community is on alert and this year Soleanna will be guarded by more than just gates
Crossover - Harry Potter & Sonic the Hedgehog - Rated: K+ - English - Mystery/Family - Chapters: 9 - Words: 31,907 - Favs: 3 - Follows: 3 - Updated: 15h - Published: 9/2 - Silver, Coral, Razor
You know what to do by jacquisup
A bit like We'll be together again someday.
Crossover - Sonic the Hedgehog & Sonic Underground - Rated: T - English - Family/Adventure - Chapters: 24 - Words: 81,497 - Favs: 8 - Follows: 4 - Updated: 19h - Published: 8/4/2021 - Tails, Knuckles, Shadow, Sonic Hedgehog
Cyber Frontiers by The Hooded Writer reviews
The Chaos Emeralds were drawn to Starfall Islands. Sonic and his friends set off to investigate. The human and Digital Worlds have been separated. Yet Kamishiro Enterprises are about to bring back the Digital Shift. This is the story of a hedgehog and a detective as they solve the mysteries of the Ancients and save their friends. (Sonic Frontiers x Digimon Story Cyber Sleuth)
Crossover - Sonic the Hedgehog & Digimon - Rated: K+ - English - Adventure/Friendship - Chapters: 37 - Words: 244,279 - Reviews: 71 - Favs: 63 - Follows: 58 - Updated: 9/10 - Published: 12/31/2022 - Sonic, Sage, Takumi A., Kyoko K.
A Commuter's Journal in a Nebula by IllusionedDrawer64 reviews
"In your own time, feel free on reading about my experiences with two of the most discussed figures in this journal."
Crossover - Sonic the Hedgehog & Mario - Rated: T - English - Adventure - Chapters: 45 - Words: 71,277 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 9/9 - Published: 5/10 - Sonic, Mario, OC
Candy and Chilidogs by TheMotivatedOne
When Sonic visits N-City on a world tour, he doesn't expect much. This was more of a pit stop than anything. Although, on his first night in town, some strange and fun people start showing up. Surely nothing bad can happen, right? ...Right?
Crossover - Sonic the Hedgehog & Magical Girl Raising Project/魔法少女育成計画 - Rated: T - English - Adventure/Fantasy - Chapters: 10 - Words: 14,685 - Favs: 1 - Follows: 2 - Updated: 9/9 - Published: 4/22 - Sonic, Snow White/Koyuki H., La Pucelle/Souta K., Cranberry The Forest Musician
Savage Unleashed part 3 by TheNerdman reviews
Dr Clown has escaped prison and split Savage into 7 different versions of him. Now Savage must restore the soul gems and bring earth back together.
Crossover - Spawn & Sonic the Hedgehog - Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 1,340 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 9/9 - Published: 3/15 - Knuckles, Shadow, Vector, Silver
I'm off to new adventures! Rewrite by jacquisup
Sonic is with her family after defeating Robotnik but not sure if she's where she belongs.
Crossover - Sonic the Hedgehog & Sonic Underground - Rated: T - English - Adventure/Friendship - Chapters: 12 - Words: 68,527 - Favs: 3 - Follows: 3 - Updated: 9/8 - Published: 8/30 - Sonic, Tails, Knuckles, Queen Aleena Hedgehog
Super Brudahz by Baxfam reviews
Based on my old comics called “Super Brudahz”, this takes place between Mario Parties DS and 9 where Kooper (Koopa Kid) goes to middle school.
Crossover - Mario & Sonic the Hedgehog - Rated: T - English - Friendship/Humor - Chapters: 21 - Words: 12,249 - Reviews: 3 - Updated: 9/8 - Published: 2/21 - Kooper, Sonic, Mario
All Hail Emperor Doom by Z. r3x
When Doctor Doom is transported to the realm of Mobius, he finds himself in an uneasy alliance with its resident villain, Doctor Ivo Robotnik AKA Eggman. With their combined geniuses and abilities, not even Sonic and his Freedom Fighters could ever hope to pose a threat to them... assuming they don't destroy each other first. (Cross posted from Ao3)
Crossover - Sonic the Hedgehog & Marvel - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 1,880 - Favs: 2 - Follows: 3 - Published: 9/7 - Dr. Robotnik/Dr. Eggman, Dr. Doom
United Heroes Remix: Generations RX by KingFrancisX reviews
Reclaim the Lost History! A mysterious new power sends Sonic and Spider-Man back in time where they run into a Sonic from the past and a Spider-Man from the future. Now, they must embark on the ultimate time-bending adventure to defeat their enemies, save their friends, and find out who's behind it all!
Crossover - Spider-Man & Sonic the Hedgehog - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 57,296 - Reviews: 37 - Favs: 25 - Follows: 19 - Updated: 9/7 - Published: 7/17 - Peter P./Spider-Man, Doc Ock/Dr. Octopus, Sonic, Dr. Robotnik/Dr. Eggman
RWBY: Winter's Dusk by Nan the Keyblade Master reviews
Eggman is up to no good as he declares that Remnant will be wiped out if he's not given the Chaos Emeralds at a certain point in time. Will he succeed or will Remnant finally meet its permanent end?
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Adventure - Chapters: 12 - Words: 77,210 - Reviews: 144 - Favs: 29 - Follows: 18 - Updated: 9/7 - Published: 8/7 - Dr. Robotnik/Dr. Eggman, Silver, J. Ironwood, Ace-Ops
New Beginnings by samuelalpha86 reviews
One seeks redemption while another seeks a place to belong. As these two look for the chance to start anew what will become of them.
Crossover - Sonic the Hedgehog & Fate/stay night - Rated: T - English - Adventure/Drama - Chapters: 10 - Words: 20,570 - Reviews: 11 - Favs: 21 - Follows: 34 - Updated: 9/7 - Published: 4/22 - Fiona Fox, Shirō E.
Worlds Entwined Sonic and Link's Epic Odyssey by RevenantTP reviews
In a collision of dimensions, Sonic and his team find themselves in the unfamiliar land of Hyrule, where they encounter the legendary Hero of Time. As Sonic, Tails, and Knuckles navigate this new world. Join them on an epic adventure that transcends time and space, weaving a tale of friendship, courage, and the unyielding spirit of heroes.
Crossover - Legend of Zelda & Sonic the Hedgehog - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 8,719 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 9/7 - Published: 8/25 - Link, Malon, Sonic, Tails
Metroid Shearer by M3TR01D reviews
Coming from Earth, Dawson Shearer must discover and overcome a past in him he thought never existed, in order to truly bring an end to the wars in both worlds.
Crossover - Sonic the Hedgehog & Skylanders Academy - Rated: K+ - English - Adventure - Chapters: 29 - Words: 28,420 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 9/7 - Published: 12/31/2022 - Spyro, OC - Complete
Chaos Conundrum by Throwing the Shade reviews
A strange mist with mysterious properties appears off the coast of the Mystic Ruins. With the Chaos Emeralds disappearing into the mist this could only spell trouble like always. Thrown into a different world with very different ideals, watch as these Mobians shake up the very logic of this new world, “Gods, Monsters, and Demons? Sounds like my average Friday.” (Platformers are OP)
Crossover - Monster Girl Encyclopedia & Sonic the Hedgehog - Rated: M - English - Adventure/Fantasy - Chapters: 4 - Words: 15,070 - Reviews: 19 - Favs: 57 - Follows: 66 - Updated: 9/7 - Published: 1/29
New Brotherhood by 1TGN reviews
Two heroes of red and blue from different worlds have lost someone close to them. It was tough for both to deal with the pain. But after another accident occurs, they cross paths in an unexpected situation. These heroes, known as Mario and Sonic, eventually learn about each other and promise to protect themselves from their enemies as they unknowingly form a special bond.
Crossover - Mario & Sonic the Hedgehog - Rated: T - English - Family/Hurt/Comfort - Chapters: 62 - Words: 313,899 - Reviews: 401 - Favs: 164 - Follows: 144 - Updated: 9/7 - Published: 1/24/2017 - Mario, Sonic, Luigi, Tails
Ghost Boy And The Hedgehog by ed edd n eddy IN MINECRAFT
Throughout Norman's life, he has always been met with disapproval and ridicule because of his abilities to speak with the dead. But things turn for the crazier once he meets a blue hedgehog born with super speed. Now together with his sister along with Neil and Mitch; they race to get his rings back while a evil scientist chases after them for the hedgehog's power.
Crossover - Sonic the Hedgehog & ParaNorman - Rated: K+ - English - Adventure/Friendship - Chapters: 6 - Words: 18,489 - Favs: 2 - Follows: 4 - Updated: 9/6 - Published: 8/19 - Sonic, Dr. Robotnik/Dr. Eggman, Norman B., Courtney B.
From trainer to master shiny hunter, Sonic's pokemon journey by duel king sonic reviews
A new journey begins for Sonic across the pokemon world and regions. This new path walked by Sonic and his trusted partner raichu, often joined by their friends, contains many challenges, new loyal allies, just as many deadly enemies, a complicated rivarly with Ash Ketchum as well as personal quest of self-discovery and improvement and the pursuit of a dream Sonic never knew he had
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Adventure/Friendship - Chapters: 41 - Words: 154,944 - Reviews: 3 - Favs: 10 - Follows: 8 - Updated: 9/6 - Published: 5/4 - Ash K./Satoshi, Pikachu, Raichu, Sonic
When Lupin meets Sonic the Hedgehog by lupiniiiredawesome
Sonic was fighting against Eggman when the moments he committed a Genesis wave, causing Sonic world and another world to be merged together.. things go far beyond anything that they could imagine..
Crossover - Sonic the Hedgehog & Lupin III - Rated: T - English - Humor/Romance - Chapters: 16 - Words: 15,706 - Favs: 1 - Follows: 2 - Updated: 9/6 - Published: 7/26
The Shadow by NEXGAMA reviews
For a long time, he didn't know who he was, and the only path to coming to understand who he is he must know which one he was Izuku Midoriya or Shadow
Crossover - My Hero Academia/僕のヒーローアカデミア & Sonic the Hedgehog - Rated: T - English - Adventure - Chapters: 1 - Words: 2,637 - Reviews: 3 - Favs: 9 - Follows: 10 - Published: 9/6 - Izuku M., Shadow, Sheila
Mario & the Legend of the Chaos Emeralds by Baxfam reviews
Based on “Paper Mario: The Thousand-Year Door” and a couple of it’s glitches, join Mario as he discovers that the legendary Chaos Emeralds are scattered all over the place after Sir Grodus interferes with them. This is actually a sequel to Mario & the Legend of Lord Elmo. Here’s the link to the prologue: https:/youtu.be/yBwXjaMVpe0
Crossover - Mario & Sonic the Hedgehog - Rated: T - English - Adventure/Drama - Chapters: 23 - Words: 27,454 - Reviews: 1 - Favs: 3 - Follows: 2 - Updated: 9/5 - Published: 1/31 - Mario, Goombella, Prof. Frankly, Grodus
Amphibia: Fast As Sonic 2 by Rodimus973 reviews
Sonic The Hedgehog has returned to join Anne Boonchuy and the Plantars in their return to Amphibia. They'll join Sasha Waybright and Wartwood Resistance in fighting back against King Andrias so they can prevent him from invading Earth, while also saving Marcy Wu from a more dangerous evil and uncovering a great prophecy. Also, Sonic will meet a pair of recognisable creatures.
Crossover - Sonic the Hedgehog & Amphibia - Rated: K+ - English - Adventure/Friendship - Chapters: 1 - Words: 1,601 - Reviews: 9 - Favs: 11 - Follows: 11 - Published: 9/5 - Sonic, Anne, Sprig, Sasha
The Homeless Fox by OnTheSpectrum
One day on patrol, Nick stumbles into a scared fox kit. With seemingly nowhere else to go, he decides to take care of him himself. This is their story.
Crossover - Sonic the Hedgehog & Zootopia - Rated: K+ - English - Hurt/Comfort/Family - Chapters: 1 - Words: 1,645 - Favs: 2 - Follows: 5 - Published: 9/4 - Tails, Nick W.
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