Sonicunderground Stories

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...

Unfinished plots have left fans desperate long enough. After all they've been through, it's about time Sonic and sibs finally find their mom and restore Mobotropolis to...

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...

Hello fans of Sonic Underground series! I saw this series again after 11 years and when I watched the last chapter I felt disappointing because the series doesn't have...

I don't know how I died, but when I opened my eyes I had found myself in a new life. This is the story of how I became the daughter of the ultimate life form and the fas...

After Sonic and his siblings saved the day gaining control back on their kingdom Sonic went missing and So did Knuckles with Angle island Where Sonic go? Why did he leav...

It was raining the night the strangers arrived. Acting as though they knew more about Sonic then they did, telling storys of their childhood, and all thier old friends. ...

(Sequel to Bound by Music) The royal children have finally been reunited and have joined the Resistance along with several of their close friends. Shadow, Sonic, Sonia...

Nearly eight years. Eight years of running. Eight years of no contact with them. Well, that is until the others found out about Sonics true past. The past only Knuckles...

Shadow and Rouge are losing in a fight with Infinite. They go back and hide, but Shadow goes back to face Infinite again. Rouge tries to catch him, but she's too late. I...

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...

There are a lot of things that those who lived in Hedgehog Village knew about Sonic. But one thing that seems to be unknown for everyone, including his friends, is his p...

Science can explain anyone on Mobius... but not Sonic. Why is it that the one we think we ought to know the most about is the one we actually know the least? Set in the...

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...

Something odd is happening to both Sonic and Blaze's worlds... They appear to be coming together. They must solve the mystery of the Chaos and Sol Emeralds before "...

AU! Elements of the games, Archie Comics, SatAM, Underground, OVA, and Sonic X Anime apply into one different universe. The villainous Dr. J. Ivo "Eggman" Rob...

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...

Takes place after "When Two Become One"; Silver never realized how much Blaze meant to him until she began going with Sonic. When a sorceress offers him a chan...

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...

This is gonna be a long one. The prophecy is nearing, but Robotnik is drawing out his war efforts, The Great War, is ending...