Sonic the Hedgehog 2
SEGA Genesis Classics

Dr. Eggman (aka Dr. Robotnik) has returned, turning
helpless animals
into robots and forcing them to build his ultimate
weapon, the Death Egg!

But this time, Sonic has a friend that can help him:
Tails! Find the 7
Chaos Emeralds and stop Dr. RobotnikÆs evil scheme!