Dr. Eggman has finally done it. He's finally beaten Sonic and taken over most of the world, aided by a mysterious figure known as Infinite. However, a resistance consisting of Sonic's friends from around and CHS has been formed and Sonic's not down for the count just yet. Now, they have to fight to take back the planet , but with Eggman's army having enemies new and old, it won't be easy. Sonic, The Equestria Girls and their friends are in for their biggest challenge yet.

Sonic, the Rainbooms and all their friends are very excited when the duet concert of Countess Coloratura and Mina comes to Canterlot. This is good news to all except for a certain Dazzling, Adagio can't help but reminisce of the old days where she had her voice in the power to enthrall anyone and everyone...

However she soon catches the attention of a certain Ixis wizard, who offers her a deal; help him perform a certain spell during the concert, and he'll restore the power she once had...

*Description by Alphamon Ouryuken*

During Canterlot's Familial Day, Shadow starts to contemplate his connection with the Black Arms race he defeated. However, Eclipse the Darkling, his 'brother', manages to escape from G.U.N custody and captures Shadow to brainwash him into serving the Black Arms once more. As a result, the two of them head off to Planet Wisp in order to conquer it and cultivate their species once more. With Shadow gone, it's up to his friends and Team Dark to bring him back to his former senses and remind him where he truly belongs.

After his previous visit to the human world, Reala informs his master, Wizeman The Wicked of the Equestrian Magic residing in there. Due to this, Wizeman has Reala take Rarity and transform her into one his servants. Under his control, Rarity steal the 7 Chaos Emeralds into the Dream world, forcing her friends to come after as they travel towards it. There, they go on a journey through the dreams aided by NiGHTS, a reformed Nightmaren against Wizeman

*An updated and solo story of my Nightmare Zone arc from my previous fic, Sonic and EQG. Takes place before my FG story, LOE, and others.*

When Discord is left on his own for an entire week in Equestria, he ends up finding about the alternate human world and decides to pay it a visit. There, he meets Sunset Shimmer, the Rainbooms and of course, Sonic and his friends. Discord decides to have some 'fun' with these new faces and introduces a whole new meaning to the word 'Chaos.' After everything they've been through, can Sonic and the others withstand Discord's chaos?

After dealing with a series of crazy events, Sonic, the Rainbooms and the others could use a nice break. What better than to spend it at Camp Everfree. However, when strange magical occurrences begin to happen, it seems there's more to this camp than what meets the eye. As they try to deal with the sudden outbreak of magic, Sonic and the rest find out there's something threatening about this sudden appearance of magic.

*Edited by GunsRGreat*: https://www.fimfiction.net/user/271496/GunsRGreat

Sonic and co. with the Rainbooms decide to head out for dinner with the Dazzlings in order to give them a chance by the request of Sonata. Everything actually seems to be going fine until Sonata ends up trapping herself inside the restaurants freezer. It's not just any old freezer, which Sonata and the others find out the hard way when she ends up getting everyone else trapped in with her as well.

*Based on the story Freezer Burned by sonicfan05 and written with his approval:
https://www.fimfiction.net/story/275818/freezer-burned*

This story is a sequel to Sonic and Equestria Girls

Ever since Twilight and the others got their new powers from Camp Everfree, it looks Sonic's has a helping hand in defending the world against any threats. But this time around...the threat is...the Rainbooms?! Using their new super-abilities, Sunset and Humane 5 have gone out of control, leaving Sonic, Twilight and the others in a tough situation? It's Team Sonic against the Rainbooms, who going to win?

This story is a sequel to Sonic and Equestria Girls

Another 4 years have passed and it's time for CHS to go up against their rival, Crystal Prep in the Friendship Games. CHS loses everytime, but with all the events that have happened, they have a new goal in mind. Sonic can't wait for these games to start and be part of the first year that CHS wins. But with Sunset being task to keep magic or anything extraordinary under control, where does that leave him and his super speed? What's more, another Twilight's on the rival team and she's doing her own investigation at CHS. And wait, what's Scourge doing on the Crystal prep side?! With all these odds, who's going to come up on top?

*This is part of my Sonic and EQG fic, but I'm making this it's own story as the original one is pretty long*

As a result of trying to stop a Super Genesis Wave through the usage of Chaos Control by Super Sonic near the world of where the Rainbooms unleashed their magic to stop the Dazzlings, causes the two worlds to come together. It ends up with Sonic, Shadow, Manic and others are now at Canterlot High along with the Rainbooms. But with Sonic there, things aren't ever going to be normal and 'chaotic' things tend to happen.