Solicit:

SONIC kicks things into “OVERDRIVE”! The Classic Sonic sensation comes to its startling finale! Dr. Eggman has managed to gather up all seven of the Ancient Gears which will super-charge his latest creation — the Mega Drive! Now Sonic, Tails, Knuckles and Amy Rose are in a race against time to gather the Chaos Emeralds and stop Dr. Eggman before the vicious device launches!