The Sega CD, also known as the Mega-CD in some regions, was an add-on for the Sega Genesis (Mega Drive) console, released in 1991 in Japan and 1992 in... The Sega CD, also known as the Mega-CD in some regions, was an add-on for the Sega Genesis (Mega Drive) console, released in 1991 in Japan and 1992 in North America. It expanded the Genesis' capabilities by introducing CD-ROM technology, enabling enhanced audio, full-motion video, and larger game storage. The Sega CD library included games with improved graphics, cinematic storytelling, and unique gameplay experiences, such as Sonic CD and Night Trap. While innovative, the Sega CD faced criticism for its high cost, limited library, and reliance on FMV-heavy titles, contributing to its moderate success but eventual discontinuation. Expand