Enemy Zero gun, and a strategy guide. The music is performed by the Michael Nyman Orchestra and Sarah Leonard. "Confusion" is a modification of material from Nyman's previous score, "The Ogre", while the Enemy Zero/Invisible Enemy/Battle theme were modified into portions of Nyman's score for "Man with a Movie Camera". "Laura's Theme," "Digital Tragedy," and "Love Theme" are solo piano works and are included on the EP, "Enemy Zero Piano Sketches", which was released eight months before the complete soundtrack, and two months before the game. "Enemy Zero" received favorable reviews from several publications. "Edge" highly praised the first of the game's
Score (game) to use the term "high score" was Midway's "Sea Wolf" (1976). In these early video games, the player would attempt to reach a pre-determined high score within an allotted time period, after which they would win bonus playing time, since it was not possible to save the top score. Though the term "high score" was not used, the concept of reaching pre-determined scores to win bonus playing time was featured in earlier arcade video games such as Taito's racing game "Speed Race" (1974). The high score concept changed in 1978 with the release of Taito's shoot 'em up "Space Invaders",