"Classic Sonic 2D Gameplay with improved action stages. Sonic returns with his signature 2D gameplay presented seamlessly across both screens on the Nintendo DS™. New action-packed gameplay will ...

In a frantic battle to the checkered flag, Sonic and friends speed around tracks set in mediaeval castle ramparts, lush rainforests and bustling cities, all taken from the visually rich and varied ...

Mechanical Engineering School of Xiangtan University, Xiangtan, Hunan 411105, China ...