Dr. Eggman is still at large, and Sonic can’t allow him to get his hands on the Master Emerald and repair the Death Egg. Sonic must also keep Knuckles off his back but Knuckles has problems too. As guardian of the Floating Island and all the Emeralds, Knuckles must do his part to keep the island safe. While they’re going the rounds with each other, who will stop Dr. Eggman?

Sonic the Hedgehog
The evil scientist Dr. Eggman (aka Dr. Robotnik) has snatched the poor animals of South Island and and turned them into robots.
Only one hero can defeat Dr. Eggman and rescue the animals from his vile clutches – it’s the super-cool hedgehog with the blue spiky hair, Sonic!

Sonic the Hedgehog 2
Dr. Eggman (aka Dr. Robotnik) has returned, turning helpless animals into robots and forcing them to build his ultimate weapon, the Death Egg!
But this time, Sonic has a friend that can help him: Tails! Find the 7 Chaos Emeralds and stop Dr. Robotnik’s evil scheme!

Sonic the Hedgehog 4 - Episode I
The sequel fans have waited 16 years for is finally here - Sonic the Hedgehog 4 Episode I! Featuring enhanced gameplay elements, including the classic Sonic Spin Dash, and the versatile Homing Attack, Sonic the Hedgehog 4 Episode I picks up right where Sonic and Knuckles™ left off. Dr. Eggman’s back, and in an effort to finally rid himself of Sonic, he revisits – and improves – the very best of his creations. Get ready for the next chapter in an all new epic 2D saga built for old and new fans alike.

Sonic the Hedgehog 4 - Episode II
The Sonic 4 Saga continues in Episode II with the return of a beloved side kick and fan-favorite villains!

Following the events of Episode I, Metal Sonic has returned to form an alliance with Dr. Eggman! To face this new evil, Sonic will have to call upon an old friend to help him save the day! Now joined by Tails, race across four new Zones and take down fearsome new badniks with deadly combination moves in order to put an end to this dastardly duo’s plans!

Experience the Sonic 4 saga as never before with the addition of a brand new engine; bringing you gameplay with updated physics and zones in stunning HD graphics! Also new to Episode II is the addition of online/local collaborative play where players can team up with a friend to take control of Sonic and Tails as they battle against Dr. Eggman!

BONUS! Owners of both Episode I & Episode II will unlock Episode Metal! Play as Sonic’s greatest rival in this exclusive zone and experience the untold story behind Metal Sonic’s revival!

System Requirements