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}} | genre = Shoot 'em up | modes = Single-player | platforms = MSX, Family Computer Disk System, NES, PlayStation, Virtual Console, PlayStation Network }} is an arcade-style shoot 'em up video game designed by Compile and published in Japan by Pony Canyon and in North America by FCI. It was released for the MSX computer, the Family Computer Disk System, the Nintendo Entertainment System, and for the Virtual Console. It was reworked for the MSX2 computer as ''Zanac EX'' and for the PlayStation as ''Zanac X Zanac''. Players fly a lone starfighter, dubbed the ''AFX-6502 Zanac'', through twelve levels; their goal is to destroy the ''System''—a part-organic, part-mechanical entity bent on destroying Mankind. ''Zanac'' was developed by main core developers of Compile, including Masamitsu "Moo" Niitani, Koji 〔(【引用サイトリンク】title=GameStaff@wiki - JANUS寺本 )〕"Janus" Teramoto, and Takayuki 〔(【引用サイトリンク】title=GameStaff@wiki - 広野隆行 )〕"Jemini" Hirono. All of these developers went on to make other popular similarly-based games such as ''The Guardian Legend'', ''Blazing Lazers'', and the ''Puyo Puyo'' series. The game is known for its intense and fast-paced gameplay, level of difficulty, and music which seems to match the pace of the game. It has been praised for its unique adaptive artificial intelligence, in which the game automatically adjusts the difficulty level according to the player's skill level, rate of fire and the ship's current defensive status/capability. ==Gameplay== In ''Zanac'', the player controls the spaceship ''AFX-6502 Zanac'' as it flies through various planets, space stations, and outer space and through an armada of enemies comprising the defenses of the game's main antagonist—the "System." The player must fight through twelve levels and destroy the System and its defenses.〔FCI, p. 1.〕 The objective is to shoot down enemies and projectiles and accumulate points. Players start with three lives, and they lose a life if they get hit by an enemy or projectile. After losing a life, gameplay continues with the player reappearing on the screen and losing all previously accumulated power-ups; the player remains temporarily invincible for a moment upon reappearing on the screen. The game ends when all the player's lives have been lost or after completing the twelfth and final area.〔FCI, p. 3.〕 However, the player can earn 1-ups (extra lives) throughout the game by accumulating high point scores. ''Zanac'' has a continue option which allows players to restart the game from the level in which they lost all their lives.〔 The player operates a rapid-fire main cannon, which can be upgraded by collecting power-ups found in blue boxes that periodically descend from the top of the screen.〔FCI, pp. 10–11.〕 As the main cannon's power level is upgraded, the number of bullets fired from the ship as well as their speed increases. In addition, the player operates a specialty weapon that is separate from the main cannon. There are eight different specialty weapons, each represented by differently-numbered power-ups. The player can change the type of specialty weapon equipped by collecting a differently-numbered power-up or can upgrade their current specialty weapon by collecting a numbered power-up that matches their current weapon. These weapons range from directional bullets to shields to indestructible projectiles.〔FCI, pp. 5–6.〕 Players lose all accumulated power-ups if they lose a life.〔(【引用サイトリンク】url=http://www.flyingomelette.com/reviews/nes/zanac.html )〕 Enemies in ''Zanac'' include meteors, various bullet-shooting enemy aircraft, bullet-resistant disks, ground turrets, and reconnaissance planes.〔FCI, pp. 7–9.〕 The bosses consist of stationary fortresses consisting entirely of ground turrets.〔FCI, p. 10.〕 The player must destroy all these turrets within a specified time limit to score bonus points. Every stage has one or more of these stationary fortresses. In addition, large enemy ships acting as "mini-bosses" appear throughout the game. These ships are more resistant to the player's weaponry; all bullets inflict minor damage and are repelled off the mini-bosses, which change color as they become more damaged.〔 The distinguishing aspect of ''Zanacs gameplay is its unique enemy artificial intelligence, called the "Automatic Level of Difficulty Control" or ALC.〔 The ALC measures the System's aggressiveness and the game's difficulty depending on the actions of the player, such as attack pattern and skill level.〔FCI, p. 4.〕 The ALC increases for experts but decreases for inexperienced players.〔 For instance, shooting the main cannon frequently, collecting power-ups, and failing to destroy bosses within the specified time limit increases the ALC, resulting in a greater number of tougher enemies appearing on screen. However, actions such as losing lives, starting a new level, or destroying reconnaissance planes reduces the ALC, resulting in fewer on-screen enemies.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Zanac」の詳細全文を読む スポンサード リンク
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