A When Legends Meet side story set during Heroes Coming Together. After the Singularity from Earth-1 tears through space-time, Alice is pulled from the T-Virus-ravaged Earth-121775 into Sonic's Earth-91581. As Green Hills begins to recover, a new threat emerges, the Red Queen. Set post-Sonic 2 and during RE: Retribution, worlds collide in a battle for survival.

In a fan-made crossover, Team RWBY joins forces with Team Sonic to save the worlds of Remnant and Mobius from an inter-dimensional collision course, destined to destroy both their worlds completely. Can their teamwork save both worlds? What enemies lie in the midst of their team-up? Only time will tell. Note: THIS IS SET IN AN AU AFTER THE EVENTS OF RWBY VOL. 2

Sonic had to leave his home and escape to Earth. When he arrived, he began to hide in Green Hills where he fell in love with the small community in its people. Two in particular are a familiar web-slinger, Peter Parker, and an enchanting telepath known as Emma Frost. The two of them were going about their (kinda) normal lives when a blue alien hedgehog came into their lives.

An amnesiac Shadow the Hedgehog finds himself in a universe far beyond home. As he struggles to piece together his past, will the Ultimate Lifeform rise to the challenge or will Bowser conquer the cosmos?

Somehow, someway, Sonic ends up adopting a baby that is somehow his biological daughter! Dive into this story, and read the Life & Tales of his daughter, Mordred Hedgehog!

a bunch of cute one-shots

A new crossover List of Episodes between canon and non-canon(Sonic the Hedgehog(Game/Comic/ Post-after Sonic Colors) x Pokemon

Years after the Dimensional War, Sonic and his friends (and family!) finally have a chance to breathe, being invited by the USPR to the Greatest Cruise Spaceliner ever made, the "StarDust Wanderer"! (Spiritual Sequel to "The Battle of New Veridia") (Part of the "Metaverse" Universe.

A new Sonic Fanfiction based in the universe of 'Sonic in the Black Knight', where Sonic chose to stay and take the throne of Camelot, which causes one of the Arthurian Legend's most important characters to return home. There's also a minor crossover with 'Legend of Zelda', and some chapters might be based off episodes from the BBC show 'Merlin'.

Sonic was in the middle of an important mission with his friends. He soon winds up accidentally causing Chaos Control! Now he finds himself in an unlikely situation… he’s surrounded by quirks & even more heroes! He soon runs into some unlikely allies so they can help him find his friends and get them home. Little does he know that Dr. Robotnik is here in Japan…

One should hope that the reunion of friends would happen under better circumstances than this. Unfortunately for Ruby and Sonic, they do so after a massive space-time anomaly occurs. And that's just the tip of the iceberg. Now the speedsters must do their best to save their friends while confronting the shadows originating from Mobius and Remnant's ancient past.

When A Certain Mechanical Life Form Meets A Dragon (I Own Nothing)

When Mobius is invaded by Darkseid and his minions, Ayla, her brother Sonic, and their friends must work together with the Justice League to save both their worlds.

Remastered edition of my old unfinished crossover from 2014, now set up as the first of a six-part series. RATED M FOR VIOLENCE. The Super Genesis Wave has reshaped the Multiverse, and Dr. Eggman, after the failure of Operation: Worlds Unite, is on a quest to undo his mistakes. The Freedom Fighters must team up with the Sailor Senshi to stop his evil plans.

[This goes beyond 8-bit…] What if there was more to a certain hedgehog in Wreck-It Ralph? Go behind the movie with Sonic, Tails, Knuckles and more, as they battle for the future of - not just their game - but all of GCS against a sinister new foe. Echoes of the past and future will collide in this one-time action-packed adventure. Ready to run?

It's two years into the Dimensional War. Allied High Command has ordered an assault on the Strategic USPR-Held Ocean World of New Veridia, with Sonic and his friends leading the charge. But the Union is determined to show that... War is REAL. (Part of the "Metaverse" Universe)

A crossover between Generation Defenders’s Goten Black series with the Sonic game franchise where Knuckles finds that he and Goten share a lot in common and must come together to face their demons.

It was a chance meeting on a faithful day as Sonic, fresh off his first win against Eggman, finds himself caught up in another adventure when he meet a certain kind hearted orphan and her "family". This time it's an adventure of magic and technology and the stakes have never been higher. Will Sonic survive with naught but his own abilities? (Mid-A's Nanoha) (Before Sonic CD and 2)

Lara-Su learns one day after reading a strange book that the best place by the fire is kept for The Storyteller. Based off of the Jim Henson TV show and Archie Comics (soon to be IDW comics for sure)

When a castle mishap throws Pure Heart Valley's heroes into Sonic's world, the perpetually stressed Mao Mao must navigate Mobian mayhem, foil a monkey mastermind, and keep his precious Geraldine safe from sticky-fingered newcomers, all before he completely loses his mind.

A Sonic the Hedgehog and Resident Evil crossover story. After the C-Virus situation, Leon S. Silver and Ada Rouge decide to see each other to catch up and have a moment between each other.

When two friends get sent into the world of JPDE their lives are turned upside down. We now follow them on their journey to try and get back home and see how their interactions with the people who were once only characters around them change their lives.

When Samus receives an emergency message from a space laboratory that orbits a planet only known as "MBS12", after landing and investigating she learns about what happened on the station.

Tanya reborn into a new life with Neuro-Immune Deficiency Syndrome, lives with her scientist grandfather. Brilliant but terminally ill, she refuses to accept her fate, pushing the limits of science alongside her grandfather.

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. NOW ON TV TROPES!