Developer(s) Konami Release 1986 Mode(s) Single player | Platform(s) MSX Genre(s) Cheat device | |
The Game Master (Japanese: コナミのゲームを10倍楽しむカートリッジ, Hepburn: Konami no Gēmu o Jū-bai Tanoshimu Kātorijji, lit. "The Cartridge that Allows Konami Games To Be Enjoyed Ten Times More", commonly abbreviated the Jūbai Cartridge) is a cheat cartridge designed for Konami's MSX games that was released on December 12, 1985. It allows player to start at different stages, adjust the number of lives, save the game's progress and high scores, make screen dumps, and play in slow motion, as well as other uses.
An updated model called the Game Master II (コナミの新１０倍カートリッジ, Konami no Shin Jū-bai Kātoriji, lit. "Konami's New Tenfold Enjoyment Cartridge", commonly abbreviated the Shin Jūbai Cartridge) was released on February 18, 1988. This new versions adds support for MSX2 games and features a battery backup that allows users to save data via S-RAM from compatible games (such as Metal Gear 2: Solid Snake).