About the title
Having settled in Green Hills, Sonic is eager to prove he has what it takes to be a true hero. And a heroic challenge isn't long in coming: the villainous Dr. Robotnik is scheming again, this time with a mysterious new partner, Knuckles. Together they search for a priceless emerald that holds the power to destroy entire civilizations. Sonic teams up with the fox Tails to travel around the world and find the emerald before it falls into the wrong hands.
