Lunar: Eternal Blue is a role-playing video game developed by Game Arts in association with Studio Alex for the Sega CD as the sequel to Lunar: The Silver Star. The game was originally released in December 1994 in Japan and later in North America in September 1995 by Working Designs. Eternal Blue expanded the story and gameplay of its predecessor and made more use of the Sega CD's hardware including more detailed graphics longer more elaborate animated cutscenes and more extensive use of voice acting. Critics were mostly pleased with the title giving particular merit to the game's English translation and further expansion of the role-playing game genre in CD format.