|Character/Item||Description||How to Unlock|
Sonic is the fastest thing alive! His super speed allows him to blast though entire cities with ease. By collecting all the Chaos Emeralds, he can transform into the mighty Super Sonic!
Shadow the Hedgehog was created by Gerald Robotnik. Shadow has all of Sonic's skills and can use Chaos Control and turn into Super Shadow.
|Complete Classic Mode with Sonic.|
Super Sonic is the golden Super Form of Sonic the Hedgehog. It is achieved by collecting all seven Chaos Emeralds.
|Complete All-Star Mode with Sonic.|
Metal Sonic was created by Dr. Eggman to surpass Sonic in every way. Metal can move faster, jump higher, and much more dangerous. But Sonic always manages to win the fight agaisnt his robot self.
|Unlock Metal Sonic.|
|Dr. Eggman||Dr. Eggman is Sonic's nemesis. He creates evil robots using innocent animals as fuel. He wants the Chaos Emeralds for various reasons and builds huge bases.||Complete Classic Mode with Metal Sonic.|
Metal Overlord was achieved by Metal Sonic by collecting data of all his enemies and Chaos. He can fly, shoots lasers, and can even throw Eggman's battleships.
|Complete All-Star Mode with Metal Sonic.|
Tails has always been out to work with Sonic. He was orginally just a tag-along, but now is an important member of Sonic's team.
|Fight 15 matches with Sonic.|
Classic Robotnik is the younger version of Dr. Eggman. He houses a different outfit then his future self and uses Badniks as his army.
|Fight 15 matches with Metal Sonic.|
Knuckles is the guardian of the Master Emerald. He lives on a mysterious Angel Island, home of the Chao. Knuckles is easily tricked, but has a golden heart. He used to fight Sonic but is now a friendly rival.
|Randomly dropped Trophy.|
The Chaos Emeralds are seven gems with infinite power. With all seven, the user is allowed to achieve a Super Form, but this costs serious Rings.
|Fight on the Egg Carrier 10 times.|
|Silver the Hedgehog||
Silver is a hedgehog from the future. He has a strong sense of justice and uses his ESP powers to throw objects and enemies.
|Take 200 photos (Does not need to be saved).|
Amy Rose is a hedgehog who is obsessed with our hero, Sonic. She wields the Piko Piko Hammer, and uses it as a weapon which even Sonic fears.
|Defeat Metal Sonic with Sonic.|
|E-123 Omega||Omega was orginally created by Dr. Eggman to guard Shadow. However, he betrayed the doctor and joined Team Dark. He is one of Shadow's best friends, along with Rouge the Bat.||Fight on the Egg Carrier 30 times.|