Sonic the Hedgehog Crossovers
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Project Egg Metal by The Bohemian Rhapsody reviews
After Eggman finally defeats Sonic and his friends with an unstable weapon, they find themselves in an alternate reality, in a world divided by war and political ideologies. The kicker? In this reality, Mobians aren't exactly... real. (I don't care about feedback. I'm making this because I want to, not to meet any expectations)
Crossover - Sonic the Hedgehog & Metal Gear - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 2,323 - Reviews: 1 - Follows: 1 - Updated: 11h - Published: 16h - Sonic, Dr. Robotnik/Dr. Eggman, Venom S., Ocelot
Boom Shadow and Infinite's Revenge -a Sonic story- by CVGWJames
After a humiliating defeat at the hands of Shadow, Boom Shadow teams up with Infinite for revenge against his counterpart and heads back to Sonic's world to challenge the Ultimate Life Form in a three-way rematch...
Crossover - Sonic the Hedgehog & Sonic Boom - Rated: T - English - Chapters: 1 - Words: 2,605 - Published: 9h - Shadow, Infinite, Shadow - Complete
Sibling bond by Dbroha reviews
my brother Sister One Shot collection.
Crossover - Sonic the Hedgehog & American Dragon: Jake Long - Rated: K+ - English - Family/Hurt/Comfort - Chapters: 80 - Words: 25,271 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 11h - Published: 3/25 - Sonic, Haley
MRSS Prologue: Divergence by RGGAM
For as long as he can remember Knuckles the echidna has always preferred to do things on his own and as the guardian of the Master Emerald he knows every corner of Angel island and it's secrets or so he thought when Tikal informs him of a strange power hiding in Sky sanctuary this sudden discovery turns his world upside down! (One sided story canon to MRSS Ice queendom)
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Mystery/Adventure - Chapters: 1 - Words: 2,700 - Published: 12h - Knuckles, Tikal, Chaos, Salem - Complete
The Case of The Ghost Biker -A Sonic and Scooby Doo Crossover Story- by CVGWJames reviews
When Sonic the Hedgehog meets Scooby Doo and Mystery Inc while visiting Resort Town, both heroes must work together to solve the mystery of the Ghost Biker and catch him before he can cause any further trouble, leading to a surprising twist involving the connection between the Biker and one of Sonic's enemies. (In-Progress)
Crossover - Scooby Doo & Sonic the Hedgehog - Rated: T - English - Mystery/Humor - Chapters: 9 - Words: 16,600 - Reviews: 5 - Favs: 5 - Follows: 7 - Updated: 16h - Published: 10/28/2021 - Scooby Doo, Sonic, OC
My Life as a Superhero: The Story Continues Part 2 by SailorSvensTea
This story takes place After Spider-Man: No Way Home. It continues to tell the story of Lana as a superhero in the events of Doctor Strange's Multiverse of Madness, Thor: Love and Thunder, Black Panther: Wakanda Forever, Ant-Man and Wasp: Quantomania, Guardians of the Galaxy vol. 3, The Marvels, and Captain America: A New World Order. Please leave review if you want more chapters!
Crossover - Sonic the Hedgehog & Avengers - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,817 - Published: 16h - Sonic, Amy, Dr. Strange/Stephen S., Shuri
Ultimate Soul Arc by Shadow Joestar reviews
AU. Jaune Arc found a mysterious jewel in a cave that seem to have awaken his newest hidden power of the Ultimate Lifeform and his gained his power of Chaos to use them whoever he sees fit. He'll use this power to become the Ultimate Huntsmen, better than what he has dreamed for as he'll show the world what the Ultimate Lifeform Arc can do. Stronger Jaune. JaunexHarem. Lemon.
Crossover - Sonic the Hedgehog & RWBY - Rated: M - English - Romance/Supernatural - Chapters: 19 - Words: 55,413 - Reviews: 143 - Favs: 655 - Follows: 678 - Updated: 19h - Published: 4/13/2018 - [Jaune A., Team RWBY, Glynda G.] Shadow
Cybernetic Blue Blur Revised by GammaTron reviews
There was once a great hero...a warrior known by many as the Legendary Blue Blur. He gave his life to save a world from destruction by an alien threat. Now...he has returned. However...he isn't a blue blur anymore. Now...he is the Blue Bomber of the Network. And he's not alone.
Crossover - Mega Man & Sonic the Hedgehog - Rated: T - English - Adventure - Chapters: 11 - Words: 96,184 - Reviews: 13 - Favs: 36 - Follows: 32 - Updated: 19h - Published: 5/31 - [MegaMan.EXE, Sonic, Roll.EXE]
Friendship, Disharmony & Sonic by natedeanmaan reviews
Two evil creatures team up and try to steal the Chaos Emeralds. The emeralds get scattered to 5 different areas after a failed attempt. Sonic must collect the emeralds, team up and make new friends in these new areas to defeat the evil duo once and for all. Story involves characters from Sonic the Hedgehog; MLP: FiM; Regular Show; Adventure Time; Ed, Edd n Eddy and Danny Phantom.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: T - English - Adventure/Friendship - Chapters: 15 - Words: 90,876 - Reviews: 86 - Favs: 42 - Follows: 43 - Updated: 12/6 - Published: 4/23/2012 - Sonic
A Red Rose in the Blue Wind by Iron117Prime reviews
Sonic and his friends have come to a new world, one Dr. Eggman hopes to conquer. Meeting new friends? That is to be expected of our heroes. New enemies? Also to be expected. But being caught in a war between two immortals? Not the strangest thing that's happened to them, but definitely something new. (Blood and minor swears)
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Adventure/Friendship - Chapters: 14 - Words: 193,118 - Reviews: 654 - Favs: 581 - Follows: 614 - Updated: 12/6 - Published: 1/5 - Sonic, Shadow, Team RWBY, Team JNPR
Surge Story Section by Twilight Master Emerald
As the title suggests, this is a place where Stories of Surge the Tenrec go, mainly one shots, sometimes multi-chapter, all lemons with Surge with various partners... has mainly Adventure time or Sonic the Hedgehog settings to be and since the first chapter has Surge the Tenrec in Ooo, perfect Crossover section starter... lemons galore to be if Atomsk and I focus on this hehe
Crossover - Sonic the Hedgehog & Adventure Time with Finn and Jake - Rated: M - English - Romance/Humor - Chapters: 2 - Words: 19,452 - Favs: 3 - Follows: 3 - Updated: 12/6 - Published: 12/4 - Surge
Eggman's Salmon Problem -a Sonic and Splatoon story- by CVGWJames reviews
Salmonids invade Doctor Eggman's base and take over his warehouse room, prompting the doctor to turn to the Inklings for help in dealing with the pesky fish before things get more out of hand.
Crossover - Sonic the Hedgehog & Splatoon - Rated: K+ - English - Chapters: 1 - Words: 2,151 - Reviews: 1 - Published: 12/6 - Dr. Robotnik/Dr. Eggman, Inkboy, Inkgirl, Salmonids - Complete
Naruto X Sonic the Hedgehog Darkness of Naruto by Theanimegameguy123 reviews
Naruto has turned bad for some reason taken Sally Hostage but why did he do fine dout why
Crossover - Sonic the Hedgehog & Naruto - Rated: M - English - Tragedy/Hurt/Comfort - Chapters: 2 - Words: 801 - Reviews: 5 - Favs: 1 - Follows: 2 - Updated: 12/6 - Published: 11/24 - Complete
Life As A Chaldean Master by MySonicFan reviews
What Happens Behind The Scenes When Chaldea Isn't Tackling Monsters And Gods Daily? Join Sonic And The Servants In This New Slice-Of-Life Story That Follows Their Daily Time Inside Chaldea. In Which They Will Tackle Many Topics While Also Experiencing Many Things As Well. What Will They Discuss? What Adventure Awaits For Everyone? (Not Associated With The Other Story)
Crossover - Sonic the Hedgehog & Fate/Grand Order - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 31,397 - Reviews: 24 - Favs: 19 - Follows: 19 - Updated: 12/6 - Published: 10/9 - Sonic
Sonic the Hedgehog - Equestria Girls by Sandstorm - Books reviews
During what would be his latest battle against the likes of the evil Dr. Eggman, Sonic the Hedgehog is sent to another dimension where he undergoes a transformation in which creatures as intelligent as human beings become human. He encounters Twilight Sparkle and chooses to aid her on her quest to retrieve her stolen artifact, as well as open up about a traumatic past he hid away.
Crossover - Sonic the Hedgehog & My Little Pony - Rated: K+ - English - Adventure/Friendship - Chapters: 10 - Words: 75,915 - Reviews: 25 - Favs: 16 - Follows: 15 - Updated: 12/6 - Published: 10/19 - Sonic, Metal Sonic, Twilight Sparkle, Rainbow Dash
Sonic Unleashed (Crossover) by TheSkyPrincess5467
When Greymon sets off to space to stop an invasion assembled by Sonic's archenemy Dr. Eggman, he runs into an incident that transforms him into something hideous at night. Together with a little creature that he names Chip, and his best friend, Sonic the hedgehog, they work together to save the planet. Will Greymon cure himself of this form, or will he be stuck with it forever?
Crossover - Sonic the Hedgehog & Digimon - Rated: T - English - Drama/Adventure - Chapters: 1 - Words: 1,672 - Published: 12/4
A Very Chaotic Holy Grail War by Rhunios reviews
After our favorite Blue Blur ascends to the Throne of Heroes, he ended up being forced to fight once again, this time in the Fuyuki 5th Holy Grail War.
Crossover - Sonic the Hedgehog & Fate/stay night - Rated: T - English - Supernatural/Sci-Fi - Chapters: 8 - Words: 36,773 - Reviews: 18 - Favs: 40 - Follows: 47 - Updated: 12/4 - Published: 12/21/2019 - Sonic, Rin T., Saber, Shirō E.
Virus EXE: Ender 2 Mirrors by M3TR01D reviews
Intercepting a transmission sent by G.U.N. on planet Nippon. Dawson, Sonic and Tails decide to investigate the planet, only to discover what Endergon has done to the planet. Now it's up to them to help the beings of this world and light their darkest hour.
Crossover - Sonic the Hedgehog & Okami - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 9 - Words: 4,142 - Reviews: 1 - Updated: 12/3 - Published: 11/4 - Sonic, Tails, OC, Sakuya
Astolfo X Larry the Cable Guy 2 Ethnic Cleansing by Leopold II
Skibbidy bop boo bop
Crossover - Dragon Ball Z & Sonic the Hedgehog - Rated: M - English - Horror/Humor - Chapters: 1 - Words: 488 - Published: 12/3 - Complete
Battle for Mobotropolis by Thomas Holmes II reviews
When the Imperial Syndicate launches a full-scale invasion of Mobotropolis, the League of Freedom is there to save the day. In honour of the 10th anniversary of the Avengers
Crossover - X-overs & Sonic the Hedgehog - Rated: T - English - Suspense/Sci-Fi - Chapters: 3 - Words: 17,982 - Reviews: 2 - Updated: 12/3 - Published: 10/6
Adventures of the Orange Flash by hussbek reviews
Despite defeating Madara and winning the fourth ninja war, the Uchiha performs a kamikaze attack to kill both of them, forcing Kurama to perform a forbidden jutsu that sends him and Naruto to another dimension. Upon reaching there, Naruto meets Sonic the Hedgehog and friends, together they protect the world from the evil ambitions of Dr. Eggman.
Crossover - Sonic the Hedgehog & Naruto - Rated: T - English - Adventure/Fantasy - Chapters: 69 - Words: 449,996 - Reviews: 914 - Favs: 1,102 - Follows: 1,018 - Updated: 12/2 - Published: 3/24/2016 - Naruto U.
A Chance Meeting by bluebunnyears-08
On the planet of Mobius, mobians and humans lived together, but what if I told you there were other species that co-existed alongside them? Little creatures, scurrying under your eyes, taking little things you wouldn't notice like sewing pins, crumbs of food, bottle caps, left-out tape, whatever they need to survive, and unnoticeable to the beans they stole from.
Crossover - Sonic the Hedgehog & Borrowers series - Rated: K+ - English - Hurt/Comfort/Friendship - Chapters: 2 - Words: 6,104 - Published: 12/2 - Sonic, Miles
Savage Part 2 Curse of the Golden Arms by TheNerdman
Part 2 of The Savage story line Savage and his team find themselves fighting new opponents, Golden Demons. Can they defeat them and make sure their city is save read to find out.
Crossover - Spawn & Sonic the Hedgehog - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 2,696 - Updated: 12/1 - Published: 9/16 - Knuckles, Shadow, Rouge, Silver
Pokémon Special: Dimensional Adventure by MegaCharles20 reviews
After Prime put Caleb in charge of the team he went into another universe where he will meet other Pokémon Trainers. Requested by Sonic245 (now, no spoilers in the reviews).
Crossover - Pokémon & Sonic the Hedgehog - Rated: T - English - Adventure/Romance - Chapters: 4 - Words: 19,476 - Reviews: 3 - Updated: 11/30 - Published: 11/25 - Red, Yellow, Sonic
Reunion: An Ultimate Sonic Meets Star Wars Story by JerichoRaccoon941 reviews
In the Aftermath of the Battle of Yavin, Sonic and the Freedom Fighters must work fast to try and save their allies while evading the Empire's wrath.
Crossover - Star Wars & Sonic the Hedgehog - Rated: T - English - Sci-Fi/Drama - Chapters: 20 - Words: 78,393 - Reviews: 20 - Favs: 25 - Follows: 23 - Updated: 11/30 - Published: 12/17/2017 - Leia O., Sonic, Sally, OC
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