Sonic returns from one of his adventures to find his island taken over by Robotnik, and his friends captured. And Sonic must bring peace to South Island once again, and collect all the Chaos... Read allSonic returns from one of his adventures to find his island taken over by Robotnik, and his friends captured. And Sonic must bring peace to South Island once again, and collect all the Chaos Emeralds in order to save Tails.Sonic returns from one of his adventures to find his island taken over by Robotnik, and his friends captured. And Sonic must bring peace to South Island once again, and collect all the Chaos Emeralds in order to save Tails.