The thuggish twosome, Rough and Tumble, are back and they're looking for vengeance against Sonic and his friends. And they're not the only ones... some of Sonic's greatest foes have returned and, with the help of some new evil allies, have created a threat that's guaranteed to take over the world. Even Sonic can't outrun a Virus for too long.

"With Dr. Eggman and Surge subdued for now, Sonic and friends have a chance to relax, reset, and plan for the future. Or so they hope. If anything can be counted on around Sonic, it's that new misadventures are just waiting to happen! To start, Amy visits Knuckles on Angel Island to return a relic. The island, as always, has a few surprises in store for them as they catch up. Meanwhile, Mimic is putting together the purrfect disguise to infiltrate...

"The world has fallen to the Metal Virus, a manufactured plague that transforms all it infects into robotic zombies at Dr. Eggman's command. Even Sonic the Hedgehog has been infected, though his speed has allowed him to keep the virus at bay. Now, with the population more infected than not and the virus constantly spreading, Sonic and his friends in the Restoration launch a desperate plan to cure the world... but when things go awry, it all comes...

"When Neo Metal Sonic--an evil robot with Sonic's speed, Dr. Eggman's intellect, and an unbreakable mechanical body--conquers the island to grow his power even more, Sonic and his friends must team-up and take the fight to him. But even with the full power of the Resistance behind him, will Sonic be able to take down Neo Metal Sonic once and for all?"--Provided by publisher.

There's a new kid on the block! And a new ... tower? While Tangle tries to initiate the new recruit, Belle, into the Restoration, Sonic, Tails, and Amy investigate a mysterious structure that has popped up. Turns out, it's a maze of twisting corridors and crazy challenges! Can they pass this test with flying colors?

"On a recon mission with the new Diamond Cutters--Tangle, Whisper, and Lanolin--Sonic discovers that the Eggperial City is harnessing the resources around it to grow ever larger. The Diamond Cutters are still getting the hang of working together which leads to trouble when they get trapped. Alone against an army of badniks and a self-replicating city, Sonic calls for back-up and gets more than he bargained for: Tails, Amy, Blaze, and Silver all answer...

Join Sonic the Hedgehog, Miles Tails Prower, Knuckles the Echidna, Amy Rose, Mighty the Armadillo, Ray the Flying Squirrel, and even more special guests as they travel through zones inspired by the seasons in search of Chaos Emeralds! It's a hilarious and hectic race against the clock in Seasons of Chaos by longtime Sonic writer Ian Flynn! Plus bonus stories by some of Sonic the Hedgehog's biggest fans and tons of bonus content celebrating the blue...

After assembling a squad of bad guys, kidnapping Belle, starting a forest fire, and causing chaos in Central City, Starline is finally ready to unleash his monstrous imposters: Surge and Kit! Will his meticulous planning be enough to defeat Sonic and Dr. Eggman? And, in the wake of the climactic battle, both the heroes and bad guys need some time to heal and regroup... except Dr. Eggman, of course, who is always ready to destroy that darn hedgehog....

A stormy night. A plane crash. A deserted island--or so it seems. Sonic and Tails find themselves castaways, surrounded by robots hardwired to target them! That's no island--it's the weathered hulk of the Death Egg, and it's crawling with scrapped, rusted, and malfunctioning Badniks! Each and every one of them was created by Eggman to destroy that meddlesome hedgehog, but the mad doctor left other creations as well. Lethal, personal, familiar creations....

ROAD TRIP!!! Sonic's friends hit the pavement for some much needed R&R after months of constant excitement, but a hero's work is never done! Amy, Jewel, Tangle, and Belle are heading off on a well-deserved camping trip. Between Dr. Eggman, Dr. Starline, and the Deadly Six, life has been stressful, so they're hoping to get a little peace. Unfortunately, a dangerous wildfire has other plans. Can our heroines extinguish the flames--and the group tension--before...