Once again, Eggman plans to conquer the Mobius and rule the entire planet.To fulfill his evil scheme, the villain has created his most dangerous invention yet, the Egg-Virtualizer.With the help of his evil machine, Eggman attempts to virtualize the Mobius and become its only powerful ruler. He uses the Chaos Emeralds to power the machine, but things went not as he planned. Shortly after its activation, the machine broke, dispersing the emeralds? shreds all over the virtualized Mobius. Help Sonic to collect all the emeralds once again to destroy the machine and restore the planet!