Sonic has gone missing as well as the chaos emeralds, leaving his friends confused and significantly less powerful. When a mysterious force suddenly begins attacking them, it's up to Tails to figure out who is responsible and protect Mobius.

Black Knight AU / After defeating the Black Knight, Sonic was ready to move on to his next adventure ... Well, that was until all these new secrets began popping up about who King Arthur really is. And now Lancelot is acting weird around the cobalt hero. It seems like this story is just beginning. (SonicXLancelot, maybe Sonadow in later chapters)

Tails was commissioned a Sol emerald, but the emerald now gives him a power that makes females want him

AU: A Mini-Series set between "Sonic and the Power of the Wisps" and "Sonic's Space-Time Adventure" which reveals what Sonic and his friends have been up to in the aftermath of his adventures in the Interstellar Amusement Park. (Many mini-stories still to come) (Update: Changed back to In-Progress until further notice. Update: Parts 3 and 4 re-editing in progress)

On his travels across Mobius, Sonic discovers that Dr. Robotnik has conquered West Side Island and is threatening to build a robotic empire to conquer the entire planet using the power of the Chaos Emeralds. With the help of his new friends, will Sonic be able to stop Robotnik's schemes?

Espio se encontraba investigando una cueva para encontrar una extraña gema, cuando lo encuentra, la gema lo trasforma en una mujer, y hace que no puede contener mas sus deseos por cierto zorro de 2 colas (Si alguien quiere puede traducir esto, siempre que no cambie nada y me de crédito, o espera a que me de la gana y trate de traducirlo)

It was supposed to be quick and easy. A harmless scout mission, basically. But when their electronic map gave out, Shadow and Knuckles found themselves lost in a dense forrest for hours. While one stayed rather unbothered by it, the other was close to loosing his last nerves. It just wasn t his day. Knuxadow (Shadow/Knuckles)

Tom Wachowski had just made Sheriff of Green Hills and on that night; he and his wife Maddie finds Sonic 10 year early. Raising their new alien hedgehog son shouldn't be too difficult, right? Inspired by Pocket Hog Au on AO3. AU on the Movieverse.

After a recent break-up with her long-term boyfriend Shadow, Amy finds herself in a spiral of despair. He was supposed to be her one and only... So, why is she suddenly a so-called "personal servant" for Sonic the Hedgehog, the one who supposedly broke her heart in the past? (SonXAmyXShad Love Triangle)

La guerre est terminée mais laisse des traumatismes difficiles à guérir, et notamment pour notre héros. Quelle sera la meilleure thérapie ? M pour scènes violentes, explicites et plus dans le futur.

The resistance succeeded in rescuing Sonic after the two worst months of his life, and then they put up base on the ARK. They tracked down Team Dark, defended their hideout on ARK from Eggman... and now it's time for the resistance to take back their planet. (Forces AU, Eventual Sonadow)

In the wake of Eggman’s most recent defeat and the reclamation of the Master Emerald, the Wachowskis and their alien foster children decide it’s time to take a much needed vacation to a little English town one of Tom’s uncles lives in. But all is not as they appear. A light from the past illuminates a new danger, and one that even Sonic’s fabulous speed cannot defeat alone.

A certain princess, bound to her duties, finds herself longing for old acquaintances. Outside, she remains firm and strong for what she believes in. Inside, she silently wishes for someone beyond the stars.

Well, what do you know?

A Saxon king is killed, but due to unconscious efforts from Doctor Eggman, he is not permitted to die. Instead, He is reborn as the fearsome wolverine. Now, He shall forge his destiny and change the world. The Freedom Fighters are split, and dark times loom over mobius. A false king sits on the throne, and a strange winter ravages the land. 60 chapters, chugging strong.

Some things stay the same between universes, but how they happen may come about differently.

Following the war between the Resistance and Eggman, and the end of the Metal Virus Outbreak, things are looking somewhat peaceful on Mobius, until Eggman comes out of the shadows to attack Mobianity, and it's up to Sonic and his friends to stop Eggman once and for all.

Years after breaking up with Shadow, Amy Rose is enjoying her life in Central City and *finally* having a steady relationship with Sonic. But when Shadow comes back in town, feelings of rage, confusion, and an odd relief sweeps over Amy. She claims she doesn't want anything to do with him, but after finally reuniting, it's as though time never went by. ShadXAmy

No Spoilers

The fight is over. The heroes have won. What now? Takes place after the Robotnik battle, but before the end scene of Sonic 2.

AU in our world. Mogol has managed to get the chaos stones, but his minions bungled the delivery to him and now the stones sent a shockwave throughout Mobius City. How will a bunch of teenagers, misfits, punks and criminals react when they get superpowers? And could this lead to a battle of good versus evil with the world at stake?

When the Prower family creates a time machine to save their parents from a tragic death at the hands of Dr. Eggman, they accidentally unleash war and chaos across time and space. Worse yet, their future is not the only world line at stake... and worth making sacrifices for.

After dealing with the Black Aliens, Sonic and Tails are ready for a vacation. So they head to Soleanna as they were hosting their Festival of the Sun. But their vacation is cut short as the Princess has become the target of a kidnapping attempt and two beings from another world are also mixed in as they try to kill Sonic the Hedgehog.

Maurice, que siempre ha vivido escondido incluso de sí mismo, está a punto de experimentar el mayor desafío de su vida. ¿Será capaz de permitir que un solo par de ojos escarlata revele y libere el verdadero yo que lo ha mantenido aprisionado todos estos años? Y Shadow, ¿será capaz de entregarse nuevamente a las garras del abismo llamado Amor y dejar atrás su doloroso pasado?

Toda acción tiene una reacción, y Tails aprenderá que la curiosidad si mato al gato.