The story follows (not-game versions of) Sonic and his crew across the nine regions, interacting with Ash Ketchum and his friends along the way, with Ash and Sonic developing an intense and complicated rivalry during the former's journey to becoming a pokemon master, all the while getting into both exciting and dark adventures against enemies more vile and cruel than ever before.

After failing to save Pyrrha, Ruby Rose suddenly found herself stranded on the world of Mobius. A world in conflict between Eggman's forces and the Resistance, with low chances of returning home. But despite the odds, the silver-eyed girl is determined to not give up. After all: Everything seems more possible with some new friends at your side.

Chain of Generations: Re:MiX is a rewrite of Kingdom Hearts: BBE - Chain of Generations, inspired by the release of Shadow Generations. Sonic's birthday is disrupted by a mysterious hedgehog, scattering his friends across distorted echoes of time. Shadow confronts his own dark past, while Aqua's fading Keyblade connection drives her to save Ventus and restore the Land of Departure.

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)

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!

One day, Sonic received a rather unusual letter, and even from an unknown addressee. A letter from a certain Joey Drew, who invited a certain Henry to an old studio in which they made cartoons for 30 years. Friends decide to go there and find out why they were sent these letters. But a small excursion turns into a real disaster. In the center of which was the studio mascot - Bendy.

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!

Sonic et ses amis se sont faits piéger par le docteur Eggman et ils sont transportés en enfer. Sonic rencontre la princesse Charlie et doit l'aider à protéger son peuple de l'extermination qui arrive bientôt. Il doit aller chercher les Chaos Emeralds et ses amis dans ce monde plein de danger.

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)

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

Nearly every Sonic fan in the world has made a Sonic fan character at some point in their lives. But as quickly as we create these characters, some of us are also quick to drop them once we find no more use for them. What happens to these characters once their creator ceases to have interest in them? Where do they go? Find out Now in the tale of STAK n Order.

After an accident with the Chaos Emeralds, Sonic is transported to another dimension, in a world where Demons and Gods are common. Befriending the Occult Research Club, it's up to them to help Sonic recover the Emeralds and send him home... before power-hungry demons or a certain egg-man finds them first... (Cover Art by Penguin SuperSaiyanGod)

Shadow was sent to a different timeline from Halkeginia. Facing a dangerous threat and pushed to the brink of survival, he must venture in this new world to seek his way back home.

Un viaje de investigación provoca un accidente impensable, ahora loud loud con otros cuerpos deben de hacer un viaje atravez del tiempo y el espacio para volver a la normalidad antes de que todo lo que conozcan llegue a su fin

Parn the knight of valis and his nemesis ashram the knight of the marmo must save chris and his mom tifa and strife family from eggman. can parn and ashram stop eggman and his badniks? enjoy this story.

(This oneshot place after Faking It) Silver the hedgehog has decision paralysis on Mobius, but he’s talked into going back to Equestria to see his friends and send time with somepony he cares about.

The sequel to Kingdom Hearts: Final Mix - Blue Blur Edition. Sonic teams up with Sora, Donald, and Goofy once again in a thrilling new adventure to save the worlds from the Heartless. But a new threat looms—Organization XIII, a mysterious group of Nobodies. As they battle across the many worlds, the mystery of Roxas and the true nature of Nobodies begins to unravel.

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)

Mario and Sonic at the Sochi 2014 Winter Olympic Games have to compete to see who will be the 'Preview Couple' for the Figure Skating Pairs event! Mario and Peach decide to enter, but Sonic isn't quite used to skating with Amy... How will she help him to form a beautiful piece to wipe out the competition? (Sonamy) CONTAINS: Cute feels!

The malicious Dr. Eggman is back with another scheme, this time to corrupt Sonic's world into a planet full of his fiendish nightmares. The floppy eared Dream Traveler, Klonoa, is once again summoned to put a stop to this evil plan and joins forces with the speedy blue blur, Sonic The Hedgehog! Cover Art by @cozenveil

What would have happened if after the battle of the Zombot virus when Sonic used Chaos Control and using the topaz did not also took care of the metal virus but also merge their world with another world known as the universal century meaning a new war with these gigantic humanoid machines known as mobile suits a new beginning and a new adventure of the merge world..

When Doctor Doom is transported to the realm of Mobius, he finds himself in an uneasy alliance with its resident villain, Doctor Ivo Robotnik AKA Eggman. With their combined geniuses and abilities, not even Sonic and his Freedom Fighters could ever hope to pose a threat to them... assuming they don't destroy each other first. (Cross posted from Ao3)

After another battle with Eggman, Sonic the Hedgehog ends up in a different world. One with a big dungeon, lack of technology and various deities living among the mortals. Now with his friend Bell Sonic tries to understand what is going on as he and his friends try to find a way home. Meanwhile, new enemies make forces with old enemies delivering double trouble.

6 years after the events of Kamen Rider Build, Evolto decides to hatch a masterplan to merge the Kamen Rider universe with the Sonic universe. Meanwhile, after the events of Sonic Dream Team, Sonic was captured by Dr. Eggman and was forced to work in a coal mine owned by him. When Sonic was released from captivity 9 months later, his world is barely recognizable. Find out on TTOD!

Sequel to an old passion project, return of the cringe blue hair lesbian! A rewrite of Sonic's most recent punching bag! All mixed into one.