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
The Word for World Is Forest not only links the Athsheans to their environment, but gives primacy to the forest over the rest of the natural ecosystem. The Athsheans' clans are named after trees, and their highly decentralized social structure is constructed in a way that resembles their ecosystem. To the Athsheans, being a mentally healthy person is equivalent to being in touch with their roots, which are closely linked to their ecosystem. In contrast, the Terrans' behavior, such as rape and murder, is attributed to their leaving "their roots behind them". In the Athshean language the word for "forest" is also the word for "world",