Sega Genesis
The Sega Genesis, known as the in regions outside of North America, is a 16-bit home video game console developed and sold by Sega. The Genesis was Sega's third console and the successor to the Master System. Sega released the console as the Mega Drive in Japan in 1988, followed by North America as the Genesis in 1989. In 1990, the console was distributed as the Mega Drive by Virgin Mastertronic in Europe, Ozisoft in Australasia, and Tec Toy in Brazil. In South Korea, the systems were distributed by Samsung as the Super Gam*Boy and later the Super Aladdin Boy.
Sega CD
The Sega CD received several variations during its lifetime, of which Sega constructed three. The original model utilized a front-loading motorized disc tray and sat underneath the Genesis. Sega later released the second model of the Sega CD, which was redesigned to sit next to the Genesis console and featured a top-loading disc tray in place of the motorized tray of the original model. In addition to the add-on models, Sega also released the Genesis CDX (Multi-Mega in Europe). This console was a combination of the Genesis and Sega CD in one unit and initially retailed at US$399. Unique to this model was its additional functionality as a portable compact disc player.