article: Sonic the Hedgehog 2
links: Sonic the Hedgehog (series) Nintendo Switch GamePro Sonic the Hedgehog Sonic the Hedgehog 3 IGN Sonic Team Official Nintendo Magazine Apple TV GameRankings Sega Genesis Sonic the Hedgehog (character) Microsoft Windows Sega Windows Phone Sega Technical Institute Yuji Naka Android (operating system) Electronic Gaming Monthly Metacritic Platform game California Doctor Eggman GameSpot Sonic the Hedgehog (video game) Nintendo 3DS