"Sonic the Hedgehog 2" is a Sega Genesis game released in 1992. This adventure and action-packed game allows players to control Sonic and his sidekick Tails as they navigate through 11 new zones, collecting rings and Chaos Emeralds to defeat the villainous Dr. Robotnik. The game features fast-paced gameplay, two-player mode, and is part of the popular Sonic the Hedgehog series by SEGA.