Sonic the Hedgehog 2 is a 1992 adventure and action game developed by SEGA for the Sega Genesis platform. It is the second installment in the Sonic the Hedgehog series and features 11 new zones where players can spin, jump, and roll at high speeds. The game also includes a two-player mode with Tails as a playable character. Players collect rings and Chaos Emeralds to defeat the evil Dr. Robotnik. Sonic the Hedgehog 2 is rated E for Everyone.