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
Zero-sum game in a zero-sum game gives rise to a generalized relative selfish rationality standard, the punishing-the-opponent standard, where both players always seek to minimize the opponent’s payoff at a favorable cost to himself rather to prefer more than less. The punishing-the-opponent standard can be used in both zero-sum games (e.g. warfare game, Chess) and non-zero-sum games (e.g. pooling selection games). For two-player finite zero-sum games, the different game theoretic solution concepts of Nash equilibrium, minimax, and maximin all give the same solution. If the players are allowed to play a mixed strategy, the game always has an equilibrium. A game's payoff