Dr. Eggman invented a serum that will make the injected person act upon their deepest desire. He believed that Shadow's was to kill Sonic. Boy, how wrong he was... [eventual Sonadow]

Adopted from CeruleanWind, Shadow must embark on a mission, but Rouge isn't here with him this time, so he's forced to take Sonic instead. They hate each other, down to the very guts, but as the mission continues and they become lost in the wilderness, they must work together to survive the deadly harshness of the rainforest and the mysterious creature following them. (Sonadow)

Knuckles has Tails make special inhibitors for Sonic after an incident where he went Dark and lost control. Now, Sonic must get used to the constraining feel of the inhibitors as they force his body to ignore the Negative Chaos Energy inside of him. After getting frustrated with the way they make him feel, he turns to Shadow for help...

Phantasm: noun 1. an apparition or specter. Sonic The Hedgehog. A hero. A Guardian of the Chaos Emeralds. But he wasn't the only one. There were three, before him. Fleetway, Seris, and Maria. But what people don't know, is that he has direct contact with them. PERMANENT HIATUS

The Velvet Room is different, Igor is gone, and someone named Elizabeth has a request for a man known to change both fates and hearts.

I never wanted this life, I just want to have the best times with people who truly care about me and just live a simple life of fun without deadly robots and the pressure to live up to someone I will never be. If only it were that simple, journal, if only I could live this daydream life. Sonic hates his hero expectations. They make him fake, unlike Shadow, real as ever. Sonadow.

"Hi! Amy Rose here! I just got accepted into an academy that helps teens like me to be great heroes once we graduate. I thought I'd never make friends, but I made plenty, and as I learn more it seems every day something new happens: good or bad. There's also this boy named Sonic, I have a crush on him." transboy!Sonic (New Descrip and M: Cursing, bullying, violence, abuse, and sex)

Shadow saving Sonic's life suddenly gets turned into a game of twenty questions, in order to know each other more. Sonadow.

One watched his best friend die. The other grew up fighting an almost never-ending battle. They both learned to mask their pain in different ways. But when the pain becomes too much, they find comfort in each other. Post-Forces. Sonic/Shadow pairing. Don't like, don't read.

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)

Science can explain anyone on Mobius...but not Sonic. Just how long has Dr Eggman been in the hedgehog's life? And why is it that the one we think we know the best turns out to be the one we know nothing about? "The wind blows where it wants to, and you hear the sound of it, but you do not know where it comes from and you do not know where it is going." All-Star cast and completed.

A collection of Sonadow-flavored drabbles revolving around Sonic coming to terms with his newfound immortality.

How was Sonic supposed to know that playing with Tails' new invention would end with a love confession? [Sonadow]

When Shadow is drained of all of his chaos energy, Sonic is the only one who can help him. In critical condition, Shadow's only hope to survival is Sonic's own life force, which means staying at Sonic's side for months before being able to go out on his own again. (Sonadow/Shadonic)

Shadow & Amy wasn't exactly planning on having Sonic abducted, Station Square under attack, and competing for Sonic's interest, but it's whatever. At least their friends have got their backs like usual, even when Eggman comes up with weirder robots after weird robots, and the city is largely on fire...

Evil doppelgangers of Sonic and Shadow are on the loose, forcing two rivals to overcome impossible odds to save their friends and themselves. With a mysterious villain determined to drive them to madness, they must form a connection greater than anything they could have imagined in order to survive. [Sonadow]

The doctor has finally captured Sonic...

The New Guardian and Sonic the Hedgehog are faced with new challenges in regards to the Master Emerald. Familiar faces get drawn into the mix, GUN moves to further complicate things and... what's happening to Sonic? This is Part Two of Eternal Guardian.

After a fatal accident, two disgruntled heroes brawl to solve their problems. Shadow finds himself with the responsibility of the Master Emerald, and Sonic learns of what happened to his late friend, leading to an unlikely bond... WARNING: Sonic/Shadow