===Sega Master System and Game Gear (1991–1996)===Due to the success of "Sonic" games on the Sega Genesis, the series was introduced to the Sega Master System and Sega Game Gear.
==== Sega Master System и Game Gear ====* "Sonic the Hedgehog" — 8-битная версия игры "Sonic the Hedgehog" с весьма упрощённой графикой и меньшим количеством уровней.