Dr. Eggman unleashes a powerful ray, which not only divides the world into four continents, but also causes a sudden transformation of Sonic. Sonic has to find the Chaos Diamonds throughout the world and save the world... and also himself! Use high-speed Sonic abilities in the daytime and new inexplicable power by night, when you turn to a werehedgehog. Pursue your extreme enemy- Dr. Eggman!

Sonic Unleashed game features:

• Due to Sonic split personality you get dual gameplay, based on the levels, where the action takes place either in the daytime or by night;
• In the daytime you will experience high-speed abilities of the Hedgehog;
• By night Sonic will turn into a Werehedgehog with elongating arms and outstanding athletic abilities;
• Run even faster! Accumulate "Ring energy" to accelerate ;
• Chase through 11 areas in Chun-nan world, Apotos, Spagony and Mazuri.