Sonic Mania's drawing huge inspiration from Sonic's 2D past - including its faux-3D sections. Revealed in a panel at San Diego Comic-Con (as reported by The Sonic Stadium), Sega's retro homage game ...

More than just a classic action game, Sonic CD is an exemplary port of a retro game to a modern platform. History has not been kind to the Sega CD add-on, which has largely been regarded as a failure.