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Harry Potter and the Half Blood Prince (Sonic Style) by Jacob Marley1991 reviews
Silver goes into his Sixth Year in dark times. The war against Finitevus has begun and even the children of Soleanna aren't safe from his plans
Crossover - Harry Potter & Sonic the Hedgehog - Rated: T - English - Fantasy/Tragedy - Chapters: 23 - Words: 108,211 - Reviews: 1 - Favs: 4 - Follows: 3 - Updated: 3/14 - Published: 2/9 - Silver, Locke, Coral, Razor
WSSP: Frontiers by Nan the Keyblade Master reviews
When Eggman appears to be up to his old tricks. Weiss and co attempt to find out what he's up to, only to get trapped within Starfall Islands. Will they be able to escape along with trying to stop with whatever plan Eggman may be up to? (Now collabbed with Qwark's Account!)
Crossover - Sonic the Hedgehog & RWBY - Rated: T - English - Adventure/Drama - Chapters: 9 - Words: 47,166 - Reviews: 107 - Favs: 33 - Follows: 26 - Updated: 3/14 - Published: 1/22 - Sonic, Sage, Weiss S., Penny P.
Kingdom Hearts: Final Mix - Blue Blur Edition by FanFicHazza reviews
Chaos reigns as Sonic the Hedgehog's world falls to the Heartless. 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: 33 - Words: 220,368 - Reviews: 17 - Favs: 43 - Follows: 41 - Updated: 3/14 - Published: 10/6/2023 - Sonic, Shadow, Sora, Riku
Sonic X Helluva Boss x Hazbin Hotel by parzival2.0 reviews
A new crossover List of Episodes between canon and non-canon(Sonic the Hedgehog(Game/Comic/Series) x Helluva Boss/Hazbin Hotel)
Crossover - Sonic the Hedgehog & Helluva Boss - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 5,790 - Reviews: 2 - Favs: 8 - Follows: 6 - Updated: 3/14 - Published: 10/12/2023 - Sonic, Dr. Robotnik/Dr. Eggman, Blitzo, Loona
Miraculous Sonic by GalaxyStar92 reviews
After the defeat of Monarch, Paris is now at peace or so they think. Ladybug and Cat Noir get sucked into a dimensional portal that takes them to a new world they never seen known as Mobius. Together with a blue hedgehog, they face against the mad doctor wanting world domination.
Crossover - Sonic the Hedgehog & Miraculous: Tales of Ladybug & Cat Noir - Rated: T - English - Humor/Adventure - Chapters: 21 - Words: 45,318 - Reviews: 32 - Favs: 22 - Follows: 22 - Updated: 3/14 - Published: 1/11 - Sonic, Marinette D-C./Ladybug, Adrien A./Cat Noir - Complete
Sonic Heroes Academy by ElyjaGaming reviews
Weeks after Starfall incident, Eggman returns and up to Sonic Heroes to stop him. But something went terribly wrong and sent to different dimension.
Crossover - Sonic the Hedgehog & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 1 - Words: 3,812 - Reviews: 2 - Favs: 5 - Follows: 6 - Published: 3/14 - Sonic, Izuku M.
Beyond the Nightmares: Reloaded by RhythmChimera7793
Two organizations, two worlds. Both different yet similar, and both are at war with nefarious foes. They need to work together to survive. There's a larger mystery afoot, and evil is lurking in the shadows, pulling their strings to make them serve them whatever way they can. WARNING: Some parts are EXPLICIT and meant for mature people!
Crossover - Sonic the Hedgehog & Codename: Kids Next Door - Rated: M - English - Chapters: 9 - Words: 75,081 - Favs: 1 - Follows: 1 - Updated: 3/13 - Published: 3/12
We worked with them but who are they? by jacquisup
Prequel of Amnesia? Set at the beginning of Metal Sonic
Crossover - Sonic Underground & Sonic the Hedgehog - Rated: K+ - English - Mystery - Chapters: 1 - Words: 5,688 - Favs: 1 - Follows: 1 - Published: 3/12 - Sonia Hedgehog, Manic Hedgehog, Sonic, Tails - Complete
Sonic Prime Overclocked by Absolute Rainbow reviews
It's time to take back the multiverse... (Sequel to SoAL, Sonic Prime, Sonic Forces Overclocked, and more! ALL SPOILERS UNITED!) Someone has taken ahold of the Phantom Ruby and Paradox Prism together, about to shatter not just an universe, but the multiverse! Sonic, Classic Sonic, the Resistance, Eggman Empire, and allies have to work together to survive and save everything!
Crossover - Sonic the Hedgehog & X-overs - Rated: K+ - English - Crime - Chapters: 27 - Words: 64,790 - Reviews: 4 - Favs: 3 - Follows: 3 - Updated: 3/12 - Published: 1/31
Kingdom Hearts: A Fragmentary Passage - Shadow's Story by FanFicHazza reviews
In the side story connected to Kingdom Hearts: Final Mix - Blue Blur Edition, Shadow and Aqua journey through the enigmatic Realm of Darkness. Shadow, true to his promise, aids Aqua in reuniting with her heartless other half. Meanwhile, the darkness tugs at Dr. Eggman's heart. As Aqua's memories remain fragmented, destinies intertwine in a tale where light and darkness collide.
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Fantasy/Adventure - Chapters: 9 - Words: 46,194 - Reviews: 4 - Favs: 14 - Follows: 12 - Updated: 3/11 - Published: 12/27/2023 - Shadow, Dr. Robotnik/Dr. Eggman, Aqua
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: 41 - Words: 292,810 - Reviews: 4 - Favs: 8 - Follows: 10 - Updated: 3/10 - Published: 7/27/2021
The Shadow of Fairy Tail by Shadow Joestar reviews
Shadow was on a mission to get the Chaos Emeralds back, but it turns out to be a trap sending him through a portal to another world believing that he'll never return. Soon, Shadow find himself to be a human and have joined Fairy Tail as the Ultimate Life Form will on some magical adventures and battling against powerful enemies to protect his new home! ShadowxHarem. Lemon.
Crossover - Sonic the Hedgehog & Fairy Tail - Rated: M - English - Chapters: 22 - Words: 63,836 - Reviews: 71 - Favs: 273 - Follows: 263 - Updated: 3/10 - Published: 3/19/2018 - [Shadow, Flare C., Rouge, Irene B.]
Knuckles loves Peach by SuperSmashMaster29
Knuckles falls in love with Peach but she's with Mario, however Knuckles uses charm to win her. Will Mario win her back? Knuckles/Peach/Mario love triangle.
Crossover - Sonic the Hedgehog & Mario - Rated: K+ - English - Romance/Drama - Chapters: 7 - Words: 3,578 - Updated: 3/10 - Published: 2/23/2023 - Knuckles, Mario, Peach
SONIC & NiGHTS: Racing Through Dreams by DarkShadowGames451 reviews
AU! Set in SONIC RESURGENCE! Sent by Naugus the Dark, Wizeman the Wicked uses his forces to push a fallen hero to the brink. However, a fantastical adventure follows with a dream entity, NiGHTS, to save both the Dream Realm and the Waking Realm from the God of Nightmare. But can Sonic trust the mysterious being? And can he be able to face his greatest obstacle yet? Himself.
Crossover - Sonic the Hedgehog & NiGHTS - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 44,206 - Reviews: 1 - Favs: 5 - Follows: 5 - Updated: 3/10 - Published: 12/9/2023 - Sonic, NiGHTS, Reala, Wizeman - Complete
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: 29 - Words: 118,462 - Reviews: 83 - Favs: 87 - Follows: 89 - Updated: 3/9 - Published: 1/28/2022 - Silver, Mephiles, Izuku M., 1-A Students
Sonic and the teenage mutant ninja turtles by Doglover14
Sonic and his friends encounter the turtles and their allies then decided to team up to stop the shredder and Eggman( this fanfic includes 10 of my Sonic ocs)
Crossover - Teenage Mutant Ninja Turtles & Sonic the Hedgehog - Rated: T - English - Adventure/Humor - Chapters: 5 - Words: 5,296 - Favs: 2 - Follows: 2 - Updated: 3/9 - Published: 2/28
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: 72 - Words: 319,990 - Reviews: 3 - Favs: 15 - Follows: 13 - Updated: 3/9 - Published: 5/4/2023 - Ash K./Satoshi, Pikachu, Raichu, Sonic
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: 23 - Words: 93,777 - Reviews: 65 - Favs: 50 - Follows: 48 - Updated: 3/8 - Published: 10/9/2022 - Sonic
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: 7 - Words: 5,425 - Favs: 1 - Follows: 1 - Updated: 3/7 - Published: 10/2/2023
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: 29 - Words: 400,749 - Reviews: 1403 - Favs: 1,043 - Follows: 1,062 - Updated: 3/6 - Published: 1/5/2022 - Sonic, Shadow, Team RWBY, Team JNPR
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: 6 - Words: 62,746 - Reviews: 23 - Favs: 57 - Follows: 76 - Updated: 3/6 - Published: 11/26/2023 - Sonic, Tails, OC
AML-7001 by shammsat1 reviews
AML-7001:the tornadic hunter
Crossover - Sonic the Hedgehog & SCP Foundation Mythos - Rated: K - English - Chapters: 1 - Words: 6,977 - Reviews: 2 - Published: 3/2
Amphibia: Fast As Sonic 2 by Rodimus973 reviews
Sonic The Hedgehog has returned to join Anne 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: 3 - Words: 10,528 - Reviews: 39 - Favs: 45 - Follows: 38 - Updated: 3/1 - Published: 9/5/2023 - Sonic, Anne, Sprig, Sasha
Hedgehog in the Star by DARKSONIXKILLER
After the war with Dax the Destroyed Sonix the hedgehog was somehow brought to another world but this one was filled with an unknown cause filled with regret and pain of his destroyed world he must find his true purpose in life by meeting a new friend and a new foe no Ship but a few lemons for mostly other. M for Mature for Gore, Lemon, Back-story
Crossover - Sonic the Hedgehog & Honkai: Star Rail - Rated: M - English - Mystery/Sci-Fi - Chapters: 2 - Words: 19,707 - Favs: 1 - Follows: 1 - Updated: 2/29 - Published: 2/9 - [Stelle, March 7th] OC, Himeko
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: 38 - Words: 51,787 - Reviews: 1 - Favs: 4 - Follows: 1 - Updated: 2/29 - Published: 1/31/2023 - Mario, Goombella, Prof. Frankly, Grodus
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