
However, given the large amount of FMV games and Genesis ports, the Sega CD's game library has been criticized for its lack of depth. In particular, Sonic CD has been noted for its excellent graphics and new time travel elements without changing the traditional Sonic formula. Included in this library are six games which, while receiving individual Sega CD releases, also received separate versions that utilized both the Sega CD and Sega 32X add-ons. The Sega CD also received enhanced ports of games from the Genesis, including Batman Returns and Ecco the Dolphin. Well-known titles include the critically acclaimed Sonic CD and Lunar: Eternal Blue, as well as the controversial Night Trap, which resulted in Congressional hearings on video game violence. Īmong the titles released for the Sega CD were a number of FMV games, including Sewer Shark and Fahrenheit. Known for several games such as Sonic CD and for the controversy of violent video games including Night Trap, the Sega CD sold 2.24 million units worldwide. While the add-on did contain a faster central processing unit than the Genesis, as well as some enhanced graphics capabilities, the main focus of the device was to expand the size of games. It can also play audio CDs and CD+G discs.

The device adds a CD-ROM drive to the console, allowing the user to play CD-based games and providing additional hardware functionality. It was released in Japan in 1991, North America in 1992 and in PAL regions in 1993. The Sega CD, originally released as the Mega-CD ( メガCD, Mega-Shī Dī) in most regions outside of North America and Brazil, is an add-on device for the Sega Genesis video game console, designed and produced by Sega. Sega CD 2 attached to a model 2 Sega Genesis.
