Sonic and Tails embark on a journey to the mystical Avalice Archipelago, eager for a brand-new adventure. However, an ominous shadow begins to creep over Avalice, a malevolent force threatening to engulf the archipelago in darkness. But with the help of new and old friends they will confront this looming menace, as the winds of destiny blow through Avalice. [Sonic x Freedom Planet]

Shadow wakes up in a world of mutants, heroes and villains. Let's see how the Ultimate Lifeform chooses his destiny

Sonic y Tails emprenden un viaje al Archipiélago Avalice, ansiosos por una nueva aventura. Sin embargo, una siniestra sombra comienza a extenderse sobre Avalice, una fuerza maligna que amenaza con sumergir el archipiélago en la oscuridad. Pero con la ayuda de amigos nuevos y viejos, enfrentarán esta amenaza inminente. Mientras los vientos del destino soplan a través de Avalice.

When the evil organization, the Space Yakuza Uchugon Clan attack the planet Mobius, a young man named Kazuki Yokohama, AKA Space Sheriff Mobion arrives to help Team Sonic and the Freedom Fighters in fighting both the Eggman Army and Uchugon, and save the universe! Pairings: OCxOC, SonOuge, TaiOna, KnuxOnia, etc.

the multiverse adventures begins with the Skylanders in the world of Sonic the Hedgehog where they must team up with him and his friends in order to figure how to get back to Skylands, and stop Dr. Eggman and his new mysterious yet familiar ally of his.

After the events of Kingdom Hearts: FM - Blue Blur Edition, Sonic's surprise party is disrupted by a mysterious hedgehog. His friends are scattered through time and space. To save them, Sonic must navigate White Space and his past adventures, all manipulated by the elusive 'Doctor'. Restoring past events and friends is key, but saving memories of forgotten friends is crucial.

The Doctor found a world without Sonic's meddling. With his superior intellectual, victory is assured. Glory to Robotnik.

(One-Shot) Silver the hedgehog, he is always trying to protect the future no matter what. But a twist of fate brings him into a new world where he is chosen as the cardinal hero of the shield, will he be able to save this world's future? Or will it prove itself to be too much for this telekinetic hero?

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

The conflict between Sonic and Eggman is over and the team has now started school for younger minds. They have kids too. Get ready new friendships and foes in Mobius High. (All characters from the known Sonic franchise are owned by SEGA. The others are mine.) If this story seems similar to ANY other story, it is not on purpose.

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) NOW WITH A TV TROPES PAGE!

Sonic learns from his other counterpart that the best way to value being fast is to slow down.

It's the birthday of Hatsune and the others are doing their best to not make a stink for her to not enjoy!

All fun and games until you let a stupid idiot obsessed with freezing everything run amok in the park.

Trying to help Wile E. Coyote attempt to catch the Road Runner leads the gang to realize that they might not be all that fast.

A couple of monsters enjoy a tea party when out of a digital pocket comes a certain speedy hedgehog.

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.

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!

Fred and Barney rope a particular hedgehog to go along with them on another stupid scheme.

The scorching heat will get to you but suddenly being placed in a dark cool office with killer animal robots roaming around will make you sweat differently.

Going off to different worlds by means of delivering pizza will certainly keep your mind occupied!

A cloning panic within the Pizza Hut causes trouble for a hedgehog with several angry Pokemon not wanting to wait for their food.

(This is a work in progress. I own nothing. Sonic is owned by SEGA, and Undertale is a product of Toby Fox.) When a blue hedgehog that can go faster than the speed of sound and a small child fall into a mountain… they will find something quite unexpected… This is a version of the Pacifist Route with Sonic in it. I will upload infrequently. Review if you enjoy!

After rescuing Xerneas and learning about a mysterious treasure she found, Giratina and Xerneas decide to take it back to Alola where it came from. however, they only get thrown into a mission to stop the upcoming desruction of the world. Part 2 for a crossover of Sonic 06 and Pokemon. (PLEASE NOTE THAT THIS STORY IS A BIT DARKER THAN SUNNE STORY)

A re-write of my series "Harmonic Chaos Chronicles"; Follow the adventures of a red hedgehog known as Rage after they are sent to Equestria with Sonic following an encounter with Eggman and all of the antics that follow!