Sonic will find himself in a race against time and faced with an unusual situation that will challenge him in ways never before seen in Sonic Unleashed from SEGA for the Sony PS3.

Sonic the Hedgehog is on an adventure unlike any other! Powered by an all-new engine, Sonic Unleashed merges classic Sonic gameplay with the latest in next-generation innovation. Merging blistering 2D action with meticulously rendered 3D environments, players race through intriguing locations across the globe as Sonic to save a chaotic world.

Having been broken apart by the evil Dr. Eggman, it's up to Sonic to put the pieces of the world back together again by retrieving the power of the chaos emeralds! On a quest for domination once more, Dr. Egg man unleashes a slumbering beast from the center of the world. The event causes a devastating tremor that splinters the world into seven continents and triggers a hair-raising transformation in Sonic.

With the world divided and Sonic altered with new abilities and powers, the stage is set for a climactic battle… for when the sun sets, a whole new adventure awakens!