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|genre = Shoot 'em up |modes = Up to 2 players, alternating turns |cabinet = Upright or cocktail |arcade system = CPU 2x Zilog Z80, Motorola 6809, Intel 8039 Sound 5x AY-3-8910, DAC |sound= Two channels amplified stereo |display = Raster, 224 x 256 resolution |platforms = }} is a shoot 'em up arcade game designed by Yoshiki Okamoto and released by Konami in 1983. ''Gyruss'' was licensed to Centuri in the United States, and was ported to contemporary home systems. The gameplay is similar to that of ''Galaga'' but presented in a forced 3D perspective, with the player's ship facing 'into' the screen and able to move around the perimeter of an implicit circle. The scrolling starfield of earlier space shooter games is arranged to fit the 3D perspective, with the stars coming into view at the centre of the screen and flying outward, giving the impression of the player's ship moving through space. ''Gyruss'' is the second and last game Yoshiki Okamoto designed for Konami, after ''Time Pilot''. Due to pay disputes, he was fired after the release of this game, and soon joined Capcom, where he would write ''1942'' and the first ''Street Fighter'' game. The game's background music is an electronic, uptempo arrangement of J. S. Bach's ''Toccata and Fugue in D minor, BWV 565''; this particular track is similar to "Toccata", a rock arrangement by the UK-based instrumentalist group Sky. ''Gyruss'' is notable for using stereo sound, which according to the bonus material for Konami Arcade Classics, was achieved by utilizing discrete audio circuits. Gyruss was released in both upright and cocktail cabinets.〔(【引用サイトリンク】url=http://www.arcade-museum.com/game_detail.php?game_id=8060 )〕 ==Gameplay== The majority of enemies are spaceships, which must be destroyed to complete a level. They appear either from the centre of the screen or from one of the edges, and move in swirling patterns. They can shoot the player's ship or destroy it by contact. They hover near the centre of the screen after completing their deployment pattern, and occasionally fly outwards and shoot at the player. If not destroyed by the player, the enemy ships gradually fly away one by one. There are also several other types of enemies: satellites, asteroids, and laser beam generators. These appear intermittently and soon disappear of their own accord if not destroyed by the player. Satellites materialise in a group of three just in front of the player after the ordinary enemy ships have finished deployment. They gyrate in small circles and shoot at the player. If the player has the basic weapon when the satellites appear the middle one will be a sun-like object. If destroyed, the player's ship gets a better weapon. If the better weapon has already been gained then all satellites are identical. Asteroids fly straight outwards from the centre of the screen at regular intervals. They always fly just to the left or right of the player's ship, so unless the ship moves it will never be hit by an asteroid. They cannot be destroyed but a small points bonus is given for shooting at them. Laser beam generators occasionally fly straight outwards from the centre of the screen. They consist of two generator segments with a laser beam between them; destroying either generator deactivates the beam. The player's ship is destroyed by contact with either the generators or the beam. The player begins the game "2 WARPS TO NEPTUNE". After completing each level, the player is one warp closer to a planet. Each time a planet is reached, the player's ship is seen flying towards it and then a short bonus round is played, where the player can shoot enemy ships for bonus points without worrying about being destroyed by them. After reaching Neptune, the player is then three warps from Uranus, and progresses through Saturn, Jupiter, Mars, and finally Earth, taking three warps to reach each planet. Stage one and every 10th stage thereafter the enemies do not fire on the player when entering the screen. After completing Earth's bonus stage, the player must travel through the very fast "3 WARPS TO NEPTUNE" level before returning to the start of the game. 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「Gyruss」の詳細全文を読む スポンサード リンク
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