In this game, you will meet a very cute character. This is a hedgehog. Players all over the world love the hedgehog. And you will have a wonderful time on this hedgehog. You can complete the mission together to rid the whole world of the evil plans of the enemy. There is a very interesting backstory in this game. Sonic's deadly enemy is Dr. Robonik, who goes to great lengths to collect all seven chaotic emeralds to rule the world and become its master. Your task is before you find all the priceless emeralds. Of course, it's hard for you to do this. But it's exciting to accomplish all of these tasks, because in the process, you'll have the opportunity to enjoy Sonic's hyper-speed and agility.An ancient evil that lurks inside the great green master is unleashed from his slumber by the cunning Dr. Egman, who is about to become the ultimate monster using seven chaotic emeralds. Only sonic and his friends are heroic enough to stop Dr. Egman and his evil minions.