The difference is night and day.
Sonic is in a Race against Time to Save the World... and Himself!
Sonic the Hedgehog is on an adventure unlike any other! When Dr. Eggman unleashed a slumbering beast from the center of the Earth, there is a devastating tremor that splinters the world into many continents. Sonic must race to restore the planet in chaos, but an unusual situation challenges him in never-before-seen ways. Both day and night play different, yet important, roles in Sonic's newest quest... as the sun sets, an intriguing adventure awakens!
* Tight Navigation and Speed Control: A variety of special maneuvers help you move quickly through tricky situations. "Quick Step" allows you to dodge obstacles by instantly moving left or right without losing speed; "Speed Drift" will maintain top speeds through turns, while "Sonic Boost" will accelerate you to super speeds!
* Powerful New Game Engine and Cinematic Graphics: Sonic Unleashed delivers a revolutionary gameplay experience, combining picturesque graphics with seamless transitions between 3D and classic 2D perspectives.
* Enhanced and Expanded Environments: Many unique and fascinating continents let you explore a variety of environments - sprint across cobbled streets, race through lush jungles and much more.
* Flexible Path Navigation: Choose from multiple pathways in Sonic's massive new playground. Each unique route offers different encounters with varying rewards and obstacles.