How fast can you go? If you love to cut loose through twisting, whipping, upside down flipping, high-flying loop-de-loops, you'll love Sonic R. Sonic, the world's fastest Hedgehog, goes nose to toes with the world's meanest mad scientist, Dr. Robotnik. The evil doctor is gunning for the grand prize - the world famous Chaos Emeralds. Can the fasters racer in the world outrun Robotnik's most diabolical scheme to date? Run, don't walk to wild and wicked head over tails speed fun!