Sonicunderground Stories

Sonic dug through a box of his old things. "Why are we selling our old stuff again Tails?" He asked as he pulled out some old sneakers "It's either this o...

Six years ago, Sonic left his home, his kingdom, and his family behind to stop Robotnik from taking over the world. Everyone knows that story. But what happens when his...

After about a month of Eggman being "retired," the gang gets a visit from a stranger... a stranger that Sonic recognizes... his mother Queen Aleena.

I was a huge fan of the Sonic franchise, but I would have never even come close to expecting what happened after making a simple wish on a little star. ( this is the sto...

8 years ago, Sonica lost her siblings. Soon after, she adopted Tails as a brother. Now, on their 18th birthday, they're back! For most of her life, Sonica has pretended...

After being missing for about 4 years Sonia, Manic, and Queen Aleena have finally located their missing family member. Sonic the Hedgehog who disappeared after Robotnick...

Our cobalt blue hedgehog hero with jade green eyes and brown scarf isn't Sonic. So, what really happened to Sonic? Who is Sonic the Hedgehog? And will Shadow love the im...

Meet Princess Kadence the Hedgehog or "Kade" for short, the eldest sibling of her triplet siblings Sonic, Sonia, and Manic. When the evil Dr. Robotnik took ove...

Sonic never told Shadow, Tails, and his friends about his life about Sonic Underground, or the fact he was a prince, searching for his mother. When Dr. Rototnik threate...

My twist on a Sonic X/Underground fanfic! There's no Chris, and it's completely original from where I make friendships. It's a bit AU. Includes some OC's. Orrrrr. Sonic...

Feeling guilty of the events from "Love and Loyalty", Silver sets out to clear his mind of Blaze. However, those plans might blow up when an energetic pink hed...

Due to Dr. Robotnik leaving Robotropolis to conquer South Island, both Sonic and Knuckles leave to pursue him. What happens when Robotnik brings back a blast from Sonic'...

Its sonic's birthday and sonic and his friends find out a little bit of his past and meet a few family members has well but will the prophecy change or stay the same

this is the second version of this taking place after the three fanfics (sonic characters react to him, super smash bros reacts to sonic, and sonic the last smash fighte...

Sonic transferred to this new school and there she met a lot of people with different personalities, some similar. And the boys, never left her alone. There she made fri...

What would you do if you reject the one that confessed to his or her love to you? Would you give his or her a chance or forget til it's too late? If you had your eyes on...

Sonic's past is a twisted one that he's been running from. He's been running from it for who knows long? His friends know nothing about the blue hedgehog's past. Not eve...

This is my own version of Sonic Underground.

All the Sonic characters are teleported into a theater with a human named Nova. all he wants them to do is watch his favorite anime. This is the English dub version so t...

I'm sonia the hedgehog and I'll answer your questions! When I have the time that is >.> enjoy my somewhat boring life heh Used to be #1 In sonicunderground ( I do...