Sonic the Hedgehog 2

After settling in Green Hills, Sonic is eager to prove he has what it takes to be a true hero. His test comes when Dr. Robotnik returns, this time with a new partner, Knuckles, in search for an emerald that has the power to destroy civilisations. Sonic teams up with his own sidekick, Tails, and, together, they embark on a globetrotting journey to find the emerald before it falls into the wrong hands.