The inhabitants of South Island are in danger! Dr. Robotnik has stolen all the Chaos Emeralds which kept the power balance. Robotnik has thrown the Emeralds in a parallel universe and is keeping the red one. Sonic and Tails must retrieve all the Chaos Emeralds before the destruction of South Island.Play as Sonic or Tails in this platformer. Great graphics but the gameplay hasn't changed and it's all just too easy!