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, released as the in most regions outside North America and Brazil, is a CD-ROM accessory for the Sega Genesis video game console designed and produced by Sega as part of the fourth generation of video game consoles. It was released on December 12, 1991 in Japan, October 15, 1992 in North America, and 1993 in Europe. The Sega CD lets the user play CD-based games and adds hardware functionality such as a faster central processing unit and graphic enhancements. It can also play audio CDs and CD+G discs.