A downloadable version of the classic Genesis/Mega Drive game.
With his Veg-O-Fortress built high up on an active volcano, Dr. Eggman is turning all the cute, furry creatures of Planet Mobius into robot slaves! Sonic and Tails rush to save the animals and quickly discover the only way to stop the mechanizing madness is to trigger a volcanic eruption. Sonic knows this can be done by removing the Chaos Emeralds that keep the volcano stable. However, Dr. Eggman is also aware of the fragile relationship that exists between the Emeralds and the mountain, and he's set up an elaborate Pinball Defense System to make sure the precious jewels don't go anywhere.