In Sonic Unleashed, players take control of Sonic in his quest to restore the world after it was broken apart by the evil Dr. Eggman. As he collects the power of the chaos emeralds, he must race against time and face challenges never seen before. During day and night stages, gamers will utilize a variety of action-packed stages spanning seven continents while utilizing new speed mechanics, combat fighting abilities and platforming elements. Through beautiful scenery with multiple paths to explore and dynamic viewpoints, Sonic's journey is enhanced by using a powerful Hedgehog Engine which introduces impressive lighting abilities tailored for his speed capabilities as well as 3D to classic 2D camera transitions for an immersive gaming atmosphere.