Sonicfanfiction Stories

After your defeat, Sonic decided to spare you.You became something of a anti-hero like Shadow and help them on their adventures.The mad doctor now has a new plan, let us...

Father Robotnik Au! 🥚👶🏼 Robotnik never expected to become a father in his future, heck..nobody else he ever knew expected it either! But surprisingly it did happen, h...

G.U.N. sends Shadow on a mission to manipulate Sonic into falling in love with him in hopes that he could convince Sonic to work for them. But when their plan doesn't wo...

[On Going] I DONT KNOW HOW TO DESCRIBE THIS SO HELP BUT Also, all the characters are 18 with you as well, except for Tails, who is 16. :) 18+ language being use so yeah

The world isn't fair. You used to be a normal hedgehog. A hedgehog that only wanted love from his father. But he never gave it to you. He only cared about "Peace&qu...

You were always the quiet one, but it turned into something worse after the war began. You had lost everything, one, by one. But three things remained. Sonic, the one wh...

ᯓᡣ𐭩 "Your pint-sized pet can't help you in this." ִ ࣪𖤐 "HEY! Who are you calling pint-sized, Emo demon...

[Completed] hey [smirk] You are Eggman daughter you are f/c hedgehog busting your dad from your break from school you invent inventions and sooner or later you get close...

"𝙝𝙖𝙫𝙚𝙣'𝙩 𝙞 𝙜𝙞𝙫𝙚𝙣 𝙚𝙣𝙤𝙪𝙜𝙝, 𝙜𝙞𝙫𝙚𝙣 𝙚𝙣𝙤𝙪𝙜𝙝?" 𝘵𝘩𝘦𝘺 𝘩𝘢𝘥 𝘥𝘳𝘢𝘨𝘨𝘦𝘥 𝘺𝘰𝘶 𝘢𝘸𝘢𝘺 𝘧𝘳𝘰𝘮 𝘺𝘰𝘶𝘳 𝘩𝘰𝘮𝘦, 𝘵𝘩𝘦𝘺 𝘩𝘢𝘥...

When Team Sonic gets a mission that involves a missing girl in Amy's old town, Worry and anxiety fills Amy's head. She doesn't need Sonic's help, right?

You just don't know how you got into this situation. A female hedgehog by the name of Sonia saved your own life from a group of thugs and you promised to pay her back af...

On a normal day, Amy found Shadow hurt in the woods after battling some robots that were under Lyric's command. They soon after became good friends and both having an em...

SONIC 3 SPOILERS "What's going on?" Maria asked. "I don't know," Shadow replied, getting off the bed and walking to the door. After hesitating, Shado...

Sonic and friends go on a vacation to Emerald resort. But while there something unexpected happens and they find out about Sonic's deepest secret... The question is, ho...

This is the tale of a time patroller who is willing to save an entirely different universe rather than finding a way to go back to his world. Will he overcome new challe...

A boy from our world who loved the Sonic universe is now reborn as a shadow of the hedgehog due to dying from cancer. However, once he awakes up, he have a new adventure

"𝘍𝘳𝘪𝘦𝘯𝘥𝘴𝘩𝘪𝘱 𝘣𝘭𝘰𝘰𝘮𝘴 𝘪𝘯 𝘵𝘩𝘦 𝘶𝘯𝘭𝘪𝘬𝘦𝘭𝘪𝘦𝘴𝘵 𝘱𝘭𝘢𝘤𝘦𝘴." In which Emily Wachowski and her donut-loving dad discover and befriend So...

You are a cute hedgehog with a friendly and bubbly personality and caries around a "you can do it" attitude. You are friends with everyone including Eggman and...

B-3N. A robotic creation of Doctor Eggman... or at least he thought. He was actually a creation of Professor Gerald Robotnik. After losing his memory after [REDACTED] he...

Don't we all have a Shadow plushie?(yes) What if one day you come home and it's gone for a mysterious reason and instead of finding it, you find something more interest...