Sonic the Hedgehog Crossovers
Filters
5.8K | Page 1 2 3 4 11 .. Last Next »

Limbs of metal path 3: green hills by Rocboi135 reviews
(Aftermath 3 out of 3 for limbs of metal prologue) after crashing in green hills in Montana Lily and Lincoln are found by officer Wade whipple who takes them in. Now living their life under his care how will they adapt to the crazy things happening? (And why does the mad scientist look like Jim Carrey?)
Crossover - Loud House & Sonic the Hedgehog - Rated: T - English - Adventure - Chapters: 4 - Words: 4,939 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 1h - Published: 6/26 - Lincoln L., Lily L., Tom W., Sonic
Sonic and Star in Adventure in Mewni 2 by GuthrieStudio1999
When Eggman Nega and Mina Loveberry teamed up, it's up to Star Butterfly and Sonic the Hedgehog to save both New Mewni and Mobius from the Solarian Warriors. Things are about to get weird once again.
Crossover - Sonic the Hedgehog & Star Vs. The Forces of Evil - Rated: K+ - English - Adventure/Fantasy - Chapters: 11 - Words: 31,030 - Published: 8h
Rift in the multiverse by sanchio
this is my first fanfiction rift in the multiverse this is basically what happens if a lot of characters some being unrelated just meet together to fight a big bad guy
Crossover - Sonic the Hedgehog & Dragon Ball Super - Rated: T - English - Chapters: 4 - Words: 1,730 - Published: 7/3
rift in the multiverse chapter 3 goku trains sonic by sanchio reviews
goku decided to train sonic before going to his universe meanwhile Mario luigi peach and bowser are going on an adventure to find power stars to stop the darkness
Crossover - Sonic the Hedgehog & Dragon Ball Super - Rated: T - English - Chapters: 1 - Words: 502 - Reviews: 1 - Published: 7/3
Sonic The Hedgehog 2: A Crusading Adventure by CPVibe reviews
After settling in Ponyville, Sonic is eager to prove he has what it takes to be a true hero. His test comes in when Dr. Robotnik returns with a new partner, Knuckles. Sonic teams up with his own sidekick, Tails, and with the Crusaders joining along, they embark on a globe trotting journey to find a mystical emerald before it falls into the wrong hands.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: K+ - English - Humor/Adventure - Chapters: 3 - Words: 6,415 - Reviews: 18 - Favs: 33 - Follows: 39 - Updated: 7/2 - Published: 6/20/2022 - Sonic, Tails, Knuckles, Cutie Mark Crusaders
SONICVANIA: SYMPHONY OF THE NIGHT! by Kamencj
After the events of Generations, Sonic is looking for some well deserved R&R! However, Alucard, the Son of Dracula, has reawakened and sensed his father's soul causing trouble! And he feels he may not be enough, so he calls on True Blue for aid! Can Sonic and Alucard stop Dracula? or will there be only the Eternal Night? (Rated M due to it being Castlevania, no swears)
Crossover - Sonic the Hedgehog & Castlevania - Rated: M - English - Adventure/Horror - Chapters: 1 - Words: 1,547 - Favs: 2 - Follows: 1 - Published: 7/2
The Scrapnik heroes by Rocboi135 reviews
(One shot) The residents of scrapnik island are being given the chance to get off the island if the save a little girl by the name of Eri on a world where 80% of the population has super powers. Will they succeed or will they live up to their name and become scrap
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 1 - Words: 2,046 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 7/2 - Eri, Mecha Sonic - Complete
rift in the multiverse chapter 1 sonic vs goku by sanchio
what happen if sonic accidentally went into the dragon ball universe check this fan fiction to find out
Crossover - Sonic the Hedgehog & Dragon Ball Super - Rated: T - English - Chapters: 1 - Words: 318 - Published: 7/2
Kingdom Hearts: A Fragmentary Passage - Shadows of the Past by FanFicHazza reviews
A side story to "Kingdom Hearts: Final Mix - Blue Blur Edition," Shadow the Hedgehog and Aqua team up to navigate the depths of the Realm of Darkness. In a race against time and the encroaching darkness, the duo must find a way to bring back the light, save Doctor Eggman, and ultimately, save Aqua's memories and heart. Will they succeed?
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 10 - Words: 49,927 - Reviews: 7 - Favs: 15 - Follows: 15 - Updated: 7/2 - Published: 6/11 - Shadow, Dr. Robotnik/Dr. Eggman, Aqua
A Blue Sky by Apple Woods reviews
As Bluey accompanies her father to Station Square on her first trip to America, she unexpectedly ends up finding love in a mysterious charming two-tailed fox.
Crossover - Sonic the Hedgehog & Bluey - Rated: K+ - English - Romance/Adventure - Chapters: 6 - Words: 16,159 - Reviews: 6 - Favs: 10 - Follows: 8 - Updated: 7/1 - Published: 4/15/2023 - Sonic, Tails, Bluey, Bandit/Dad
Super Mario Bros Z by RGGAM reviews
Video game worlds collide! When Mario defeats Bowser (again) he and his brother Luigi are approached by four unknown creatures known as Mobians who ask for Mario's help in recollecting the Seven Chaos emeralds however unknown to our heroes an enemy of Sonic's known as Metallix is on the hunt for the Chaos emeralds in hopes of becoming powerful it's a race for the fate of all!
Crossover - Sonic the Hedgehog & Mario - Rated: T - English - Adventure/Drama - Chapters: 4 - Words: 16,705 - Reviews: 2 - Favs: 9 - Follows: 7 - Updated: 7/1 - Published: 2/23/2023 - Sonic, Shadow, Mario, Luigi
Kingdom Hearts: Blue Blur Edition - Chain of Generations by FanFicHazza reviews
After the events of Kingdom Hearts: FM - Blue Blur Edition, Sonic's surprise party is disrupted by a mysterious indigo hedgehog. His friends are scattered through time and space. To save them, Sonic must navigate twisted echoes of his past adventures, all manipulated by the elusive 'Organization'. Restoring lost memories is key, but the truth behind this dark scheme remains hidden.
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 20,311 - Reviews: 1 - Favs: 13 - Follows: 11 - Updated: 7/1 - Published: 6/30 - Sonic, Dr. Robotnik/Dr. Eggman, Naminé, Ansem the Wise/DiZ
Chaos Clock Chaos Dial by UltimateSTH reviews
Despues de una serie de circumstancias, un Erizo y una Mucama terminana conviviendo junto con sus respectivos amigos. Esta es la historia de ellos tratando de hacer su trabajo...y llevarse mejor. Universo Kemonomimi para Sonic The Comic.
Crossover - Sonic the Hedgehog & Touhou Project - Rated: T - Spanish - Hurt/Comfort/Romance - Chapters: 3 - Words: 17,124 - Reviews: 2 - Favs: 1 - Follows: 3 - Updated: 6/30 - Published: 2/10/2023 - [Sonic, Sakuya I.]
Sonic, KRAKEN UNLEASHED by AC4Langstar reviews
Requested by EDsonic: Sonic travels to a new world, after a catastrophic event, where he gets a new power and meets a Teen Kraken and a Mermaid Queen, whose families are at war with each other, with his new power, he races to help his new friends make peace with their kinds, while stopping a new uprising threat, meaning Sonic will have to overcome his greatest fear, Water!
Crossover - Sonic the Hedgehog & Ruby Gillman, Teenage Kraken - Rated: K+ - English - Fantasy/Supernatural - Chapters: 7 - Words: 11,966 - Reviews: 2 - Favs: 13 - Follows: 12 - Updated: 6/30 - Published: 11/27/2023
Operation ECLIPSE - Apocrypha and Sidestories by HelenTheMoon reviews
Omakes, sidestories and Apocrypha written by me and others for Operation ECLIPSE. The Sidestories are canon, the rest just for fun. Feel free to submit content yourselves! (I'll credit you, obviously)
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Chapters: 25 - Words: 24,893 - Reviews: 36 - Favs: 25 - Follows: 22 - Updated: 6/30 - Published: 12/25/2023
Pocket monsters: the sonic adventures 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: 92 - Words: 453,700 - Reviews: 4 - Favs: 21 - Follows: 19 - Updated: 6/30 - Published: 5/4/2023 - Ash K./Satoshi, Pikachu, Raichu, Sonic
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: 49 - Words: 64,990 - Reviews: 2 - Favs: 4 - Follows: 1 - Updated: 6/28 - Published: 1/31/2023 - Mario, Goombella, Prof. Frankly, Grodus
The Rising Plague by Solarium360 reviews
Nearly two years after Dr. Eggman's climactic defeat in his fortress, a new menace is on the rise. But this new enemy is unlike anything our group of heroes had ever faced before. And with the world still recovering from the war, there's no escaping the ensuing horror that awaits them. (Part 1 of the "War of the Undead" series. Rated 'T' for now.)
Crossover - Resident Evil & Sonic the Hedgehog - Rated: T - English - Drama/Horror - Chapters: 5 - Words: 9,407 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 6/27 - Published: 4/17/2020 - [Avatar/Buddy, Infinite] Sonic, OC
Roses and Bats vs Kunoichis and Sorceresses -a Sonic story- by CVGWJames
Two of Sonic's friends find themselves battling two women from other universes after winding up in an unknown wasteland that doesn't look like their world.
Crossover - Misc. Games & Sonic the Hedgehog - Rated: K+ - English - Chapters: 1 - Words: 1,885 - Favs: 1 - Follows: 1 - Published: 6/26 - Amy, Rouge - Complete
The Hedgehog and the Cobra Kai by Generalluis
When Whisper receives the spotlight for defeating Sonic's enemy, Metal Sonic, with karate, the martial art begins to take over everything, Sonic, feeling overshadowed, decides to learn karate at the dojo in a small village called Cobra Kai.
Crossover - Sonic the Hedgehog & Cobra Kai - Rated: T - English - Drama/Romance - Chapters: 1 - Words: 6,775 - Published: 6/25 - [Sonic, Fiona Fox] [Whisper the Wolf, Tangle]
Sonic and Tails in Mega Man X3 manga by CDS Studio reviews
On their next mission, Sonic and Tails arriveв in the world of Mega Man X through an unstable portal. Along the way, they meet new faces and places, at the same time explore this new dimension. Will they be able to get back home and meet Mega Man X, the most powerful and legendary Reploid?
Crossover - Mega Man & Sonic the Hedgehog - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 126,326 - Reviews: 8 - Favs: 4 - Follows: 3 - Updated: 6/25 - Published: 4/10/2023 - X, Zero, Sonic, Tails
Limbs of metal path 2: the village by Rocboi135 reviews
(2 out of 3 possible aftermaths for limbs of metal prologue) after falling through the portal Lincoln and Lily ended up being discovered by a young villager. Now the local hero Lincoln must try and figure out what to do. (And why do some travellers mistake him for someone named sonic) (set in sonic boom)
Crossover - Loud House & Sonic the Hedgehog - Rated: T - English - Adventure - Chapters: 9 - Words: 15,204 - Reviews: 5 - Favs: 6 - Follows: 8 - Updated: 6/24 - Published: 6/13 - Lincoln L., Lily L., Sonic, Metal Sonic - Complete
Unexpected Guests for a Birthday Party by Yujin Zone reviews
Sonic is celebrating his birthday with his friends, looking forward to enjoying it. But the arrival of five new guests may elevate it to something special, if only because they nearly crashed it and the suddenness of it all. Takes place after Starfall.
Crossover - Sonic the Hedgehog & Genshin Impact - Rated: K - English - Humor/Friendship - Chapters: 1 - Words: 5,119 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 6/24 - Sonic, Tails, Nahida, Furina - Complete
Pokemon SDT: Renegade Story by TheSOWERLime
After rescuing Xerneas and learning about a mysterious treasure she found, Giratina and Xerneas decide to take it back to Alola where it came from. however, they only get thrown into a mission to stop the upcoming desruction of the world. Part 2 for a crossover of Sonic 06 and Pokemon. (PLEASE NOTE THAT THIS STORY IS A BIT DARKER THAN SUNNE STORY)
Crossover - Pokémon & Sonic the Hedgehog - Rated: K+ - English - Fantasy/Supernatural - Chapters: 2 - Words: 810 - Published: 6/23 - Giratina, Regigigas, Xerneas, Necrozma
Stay in Love With My Sorrow by Saints-Fan-12
Sandy is down on her luck in the love department, so her friends set her up at a BDSM club. (Reposted from AO3)
Crossover - Sonic the Hedgehog & SpongeBob SquarePants - Rated: M - English - Romance - Chapters: 1 - Words: 670 - Published: 6/23 - [Shadow, Sandy] - Complete
5.8K | Page 1 2 3 4 11 .. Last Next »