Lunar: The Silver Star is a role-playing video game developed by Game Arts in association with Studio Alex for the Sega/Mega-CD, originally published by Game Arts and released in Japan in 1992. After a successful release, the game was translated and localized by Working Designs for release in North America the following year.

The Sega CD, known as Mega-CD in most regions outside North America and Brazil, is a CD-ROM accessory for the Sega Genesis 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 April 2, 1993, in Europe. The Sega CD plays CD games and adds hardware functionality such as a faster CPU and graphic enhancements such as sprite scaling and rotation. It can also play audio CDs and CD+G discs.