Sonicunderground Stories

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...

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...

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...

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...

this story is based on the sonic boom and underground universes it includes the next ships: sonamy, creamails, knuckuge, silvase, manicks(manic x sticks) and shadonia(sh...

An epilogue time-skip of the Sonic Underground series, Sonic and his siblings now happily rule their kingdom, having reclaimed the throne for their mother, Queen Aleena...

I'm a major Sonic fan that's for sure! But one day a group of people who work for the government came to my house and took me away! When I woke up I was no longer human...

Sonic Underground has completed its mission and the royal hedgehogs have reclaimed their kingdom... now what? Anarchy, that's what! Well, at least, that's what Sonic bel...

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...

The world has been ruled by an evil doctor named Robotnik but three hedgehogs and one wolf are destined to bring him down and fulfill the prophecy. Find out what happen...

It's been two years since the ARK incident with the Final Lizard, and Shadow's 'death'. But in reality, Shadow was in a comatose state for nearly a year and three quarte...

(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...

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...

Sonic, Manic, and Sonia must flee from Mobius to Earth when their home on the planet of Mobius is attacked by a tribe of echidnas. On Earth, they must hide and all they...

Join Sonic the Hedgehog, his triplet siblings, Sonia and Manic, and their eldest sister, Sophia, as they journey all throughout Mobius in search of their missing mother...

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.

After the war, Robotnik escaped to try to take over another part of Mobius, but the triplets didn't follow him because they thought that they could take care of himself...

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...

I'm just really bored and my other stories seem really interesting right now, so here I come, Sonic Underground univerce!