Sonic is the world fastest and supersonic speed hedgehog. The military troops are chasing him, but he has no idea why. He tries unravel the secrets of the black hedgehog who resembles him and at the same time, he must stop Eggman's evil plan to dominate the world. Use your new special attack and defeat everyone in your way!

A fox with two tails. His mechanical ability to build machines is equal to that of Eggman. This time, he plays an active role using his new machine, "Cyclone" to support Sonic. Don't be afraid, you can win!

The echidna who is destined to guard the Master Emerald on Angel Island. He is a tactful treasure hunter and a martial arts expert. He often finds himself venturing out to find the pieces of the Master Emerald. He doesn't forget to practice his special attacks everyday.