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The Becoming by
Zolth
Sandy finally decided to move up north to Chicago for a new job, with her twin brother in tow, however it doesn't take much time before her brother end's up pulling her into some deep trouble he'd come across in their new setting. Sandy finds herself fighting for her and her brother's lives while trying to appease the squirrel crime family her brother had let down.
Crossover - Sonic the Hedgehog & SpongeBob SquarePants - Rated: M - English - Family/Crime - Chapters: 2 - Words: 1,947 - Published: 2/1 - Shadow, Sandy, OC
Operation ECLIPSE - Apocrypha and Sidestories by
HelenTheMoon
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: 6 - Words: 8,161 - Favs: 12 - Follows: 7 - Updated: 1/31 - Published: 12/25/2023
Operation ECLIPSE by
HelenTheMoon reviews
Pre-ME1 post-Frontiers Xover, in which the Sonic version of Earth replaces ME Earth. A Batarian planet suddenly turns invisible, and things only get weirder from there. That poor STG agent won't know what hit him, that's for sure. And neither will the rest of the galaxy - once Sonic and Eggman get there. Crossposted on Spacebattles and AO3. Rating may change.
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 51,951 - Reviews: 11 - Favs: 49 - Follows: 66 - Updated: 1/31 - Published: 11/26/2023 - Sonic, Tails, OC
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: 28 - Words: 381,237 - Reviews: 1341 - Favs: 1,017 - Follows: 1,031 - Updated: 1/30 - Published: 1/5/2022 - Sonic, Shadow, Team RWBY, Team JNPR
Mystery of Murasia by
Zulon reviews
After receiving information regarding the mysterious Terrans, the Knothole Freedom Fighters venture to the heart of the Efrika in the hopes of recruiting them in the ongoing war against the Eggman Empire. Blends elements from Sonic X, Sonic Boom, Archie Sonic, and IDW Sonic.
Crossover - Sonic the Hedgehog & StarCraft - Rated: M - English - Adventure - Chapters: 38 - Words: 34,486 - Reviews: 1 - Favs: 8 - Follows: 8 - Updated: 1/30 - Published: 7/24/2021
Kingdom Hearts: Final Mix - Blue Blur Edition by
FanFicHazza reviews
Chaos reigns as Sonic the Hedgehog's world falls to the Heartless and darkness. The fate of Mobius rests on Sonic's shoulders as he embarks on a thrilling journey across the many worlds to bring back his home. The blue blur teams up with the ever-optimistic Sora, and loveable duo of Donald & Goofy, who are searching for Riku, Kairi and King Mickey. A great tale with a Sega twist.
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Fantasy/Adventure - Chapters: 28 - Words: 183,888 - Reviews: 16 - Favs: 38 - Follows: 36 - Updated: 1/30 - Published: 10/6/2023 - Sonic, Sora, Riku, Shadow
The Legend Of Zelda: Twilight Princess by
WALL-E and EVE In Love
Princess Zelda's birthday gets interrupted by a usurper king named Zant who covers the land in twilight. It's up to Sonic the hedgehog to defeat Zant and save the land of Hyrule.
Crossover - Legend of Zelda & Sonic the Hedgehog - Rated: K+ - English - Adventure/Mystery - Chapters: 5 - Words: 3,964 - Favs: 1 - Follows: 1 - Updated: 1/30 - Published: 10/2/2023
From team one to team three rewrite by
jacquisup
When Team Sonic splits up only two people can help him in the future.
Crossover - Sonic the Hedgehog & Sonic Underground - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 6 - Words: 28,776 - Favs: 1 - Follows: 1 - Published: 1/28 - Complete
Sonic X Godzilla by
Abed2019 reviews
When an unknown terror emerges in the southern part of the United Federation, it's up to Sonic, his friends, G.U.N and even Eggman to stop it with everything they've got! Can they beat the unbeatable being that is Godzilla!
Crossover - Sonic the Hedgehog & Godzilla - Rated: T - English - Drama/Adventure - Chapters: 2 - Words: 2,611 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 1/28 - Published: 1/7
Bingo Highway A Smash In by
Yoshizilla-Rhedosaurus
Going through the Casino Park leads the bear and bird to bump into E-123 Omega.
Crossover - Sonic the Hedgehog & Banjo-Kazooie - Rated: K+ - English - Adventure - Chapters: 1 - Words: 215 - Published: 1/27
Tiggers and Tangles by
JustCallMeMatt
"Woah, what- I mean who are you?" Tangle questioned the figure, cringing slightly at her slip of the tongue. The figure giggled "The name's Tigger! T-I-double-guh-ER! That spells Tigger!" the stuffed animal answered, before he hopped close to the lemur and added on in a whisper "And that answers the other question too." - Tangle learns the wonderful things about Tiggers.
Crossover - Sonic the Hedgehog & Winnie-the-Pooh - Rated: K - English - Humor - Chapters: 1 - Words: 2,178 - Published: 1/27 - Tangle - Complete
Helping Hand by
pain17ification reviews
Co-op idea between me and my friend, Curious Kitsune654. We both like to see fluff and unexpected pairings, so we decided to give a Naruto x Vanilla idea a try. In this small story, Vanilla and Cream were helped by Naruto years ago when Cream was still a baby. Now, years later, the trio are reunited, and Vanilla hopes to help Naruto in return. Cream helps too, Cupid Style lol
Crossover - Sonic the Hedgehog & Naruto - Rated: M - English - Romance/Family - Chapters: 2 - Words: 9,602 - Reviews: 42 - Favs: 245 - Follows: 322 - Updated: 1/26 - Published: 1/1 - [Naruto U., Vanilla] Cream/Cheese
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 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: 6 - Words: 23,752 - Reviews: 28 - Favs: 80 - Follows: 97 - Updated: 1/26 - Published: 1/29/2023
A Brother's Love by
TheSkyWriter reviews
A legend of ultimate courage and steadfast love, a story of a hedgehog who became a hero…by being a brother.
Crossover - Sonic the Hedgehog & Brother Bear - Rated: T - English - Family/Angst - Chapters: 1 - Words: 1,217 - Reviews: 1 - Published: 1/25 - Sonic, Shadow, Silver - Complete
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: 35 - Words: 48,495 - Reviews: 1 - Favs: 4 - Follows: 1 - Updated: 1/24 - Published: 1/31/2023 - Mario, Goombella, Prof. Frankly, Grodus
Sonic Revolution V1 by
ginnsonic3
The year is 2023. Seaside Hill is a former slave colony that won independence from a racist Zootopian regime. The state is now one of rapid development. The Treaty of Kajmak expires in 2025, which will allow Seaside Hill to stop selling coffee to the Zootopian goverment at 15% of market value, originally as a surrender condition. Dr. Robotnik, the president, wants to change this.
Crossover - Sonic the Hedgehog & Zootopia - Rated: M - English - Suspense/Mystery - Chapters: 5 - Words: 24,867 - Favs: 1 - Follows: 1 - Updated: 1/24 - Published: 1/19 - Sonic, Tails, Dr. Robotnik/Dr. Eggman, W. Swinton
My Hedgehog Academia by
SilverPsychic reviews
Unknowing on how, why, where, and what happened, Silver the hedgehog has amnesia and now is human. Barely knowing his own name, Silver meets a well known Pro Hero in the land of Japan...All Might. The hero feels bad, knowing on how Silver lost his memory, and offers help, a roof over his head, food and water, and a wild Adventure in class 1-A. But how will things turn? Read&Enjoy!
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 26 - Words: 103,068 - Reviews: 61 - Favs: 84 - Follows: 86 - Updated: 1/24 - Published: 1/28/2022 - Silver, Mephiles, Izuku M., 1-A Students
Xover SegaSonic & RWBY: Domain Distortion by
TimelessTimber reviews
Chasing a Mad Scientist through space? Getting the Ability to fly and become Invincible? Watching a part of an Island suffer through a serious case of Nuclear Winter? Been there, done that... Traveling to a dimension that you're completely unfamiliar with though? Now that sounds Interesting! Join Sonic as he dives Into the world of Remnant, trying to find his way back home!
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 5,817 - Reviews: 4 - Favs: 3 - Follows: 6 - Updated: 1/23 - Published: 1/20
Sonic and Ariel by
Hero Central reviews
Just another day for Sonic the Hedgehog who is blasted to another world, one that unfortunately for him is mostly under the water. Luckily he meets Ariel a free spirited young mermaid who dreams of life on the land. The two embark on an adventure of discovery, overcoming fears all while stopping Dr Eggman from causing havoc for both worlds!
Crossover - Sonic the Hedgehog & Little Mermaid - Rated: T - English - Adventure/Friendship - Chapters: 2 - Words: 15,305 - Reviews: 16 - Favs: 33 - Follows: 24 - Updated: 1/23 - Published: 1/22 - Sonic, Dr. Robotnik/Dr. Eggman, Ariel, Ursula
Blue Blur of Chaldea by
Dragon Of The Ecplising Moon reviews
Sonic has had a lot of adventures over the years, but this may be his wildest yet. An alternate world? Time Travel? Magic ghosts? Demon Gods? Tasked with the mission of saving human history, can the Hero of Mobius rise to the task? The Last Master of Humanity is a blue hedgehog! "My story only stops, when I stop running!".
Crossover - Sonic the Hedgehog & Fate/stay night - Rated: M - English - Adventure/Humor - Chapters: 25 - Words: 101,151 - Reviews: 314 - Favs: 179 - Follows: 210 - Updated: 1/22 - Published: 6/27/2023 - Sonic, Mashu/Shielder
Sonic the hedgehog Arc by
aliastheabnormal reviews
Second history 8932. It's been thousands of years since the discovery of magic as an energy source and the resulting magical girl war forced humanity to abandon earth and go into space. Sonic the hedgehog, Miles "Tails" Prower and Knuckles the Echidna become involved in the aftermath of this conflict and a new war born from its ashes. Alongside an amnesiac claiming to be Madoka.
Crossover - Sonic the Hedgehog & Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: T - English - Sci-Fi/Adventure - Chapters: 39 - Words: 268,632 - Reviews: 4 - Favs: 7 - Follows: 9 - Updated: 1/21 - Published: 7/27/2021
Sonic & Rampage by
cornholio4 reviews
Sonic and Rampage video game movies unite as the Sonic cast end up involved in the events of the Rampage movie. Tom and Maddie are visiting their old friends Davis Okoye and George the gorilla while Sonic introduces Tails and Knuckles to Ralph the wolf in the Green Hill forest. However the effects of Project: Rampage draws them into it as Energyne wants to reclaim their property.
Crossover - Sonic the Hedgehog & Rampage, 2018 - Rated: T - English - Chapters: 3 - Words: 4,992 - Reviews: 3 - Favs: 9 - Follows: 9 - Updated: 1/21 - Published: 1/18 - Sonic, Davis O., George
Two Sonics vs A SuperPowered World by
HomelessMan reviews
Shortly after defeating the time eater, both modern and classic sonic find themselves in a world full of superheroes! Can they fight against this world’s villains? But can they survive something even more terrifying?…School!
Crossover - My Hero Academia/僕のヒーローアカデミア & Sonic the Hedgehog - Rated: T - English - Adventure/Humor - Chapters: 19 - Words: 97,422 - Reviews: 23 - Favs: 81 - Follows: 87 - Updated: 1/20 - Published: 6/25/2023 - Sonic, 1-A Students, 1-B Students, Toshinori Y./All Might
Sonic Revolution V0 by
ginnsonic3
THIS VERSION OF THE STORY IS DEAD! PLEASE SEE THE NEW VERSION OF THE STORY HERE! - /s/14319431/1/Sonic-Revolution-V1
Crossover - Sonic the Hedgehog & Zootopia - Rated: M - English - Mystery/Suspense - Chapters: 3 - Words: 21,060 - Updated: 1/19 - Published: 9/28/2023 - Sonic, Tails, Dr. Robotnik/Dr. Eggman, W. Swinton
Sonic Returns To The Land Before Time by
Tyrone Tyson reviews
Sonic and the dino kids are back! With their old friend Chomper and newcomer Ruby, Sonic and the gang go on more adventures while facing more challenges as well. The gang will have to face their enemies: Red Claw and Dr. Eggman. But they will have to face a new enemy who is from another world similar to the dino world. (LBT TV series)
Crossover - Sonic the Hedgehog & Land Before Time - Rated: K+ - English - Adventure/Friendship - Chapters: 16 - Words: 104,293 - Reviews: 72 - Favs: 17 - Follows: 14 - Updated: 1/19 - Published: 2/23/2020 - Sonic, Littlefoot, Chomper, Ruby
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