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''Gradius V'' is a Japanese-developed shoot 'em up video game published by Konami for the Sony PlayStation 2 video game console in 2004. ''Gradius V'' was largely developed under contract by Treasure, who had previously worked on ''Radiant Silvergun'' and ''Ikaruga''. It was re-released for PlayStation Network on April 15, 2015 in Japan and later in North-America and Europe in the same month. The game is set predominantly in outer space where players control a fictional spacecraft called Vic Viper through a continuously scrolling background depicting the territories of Bacterian—an evil empire which serves as the player's enemy.〔Gradius V instruction manual, pp. 4–5.〕 ''Gradius V'' received overall positive reviews. Critics praised the level design, graphical design and "classic" revival, but criticized the game's extreme difficulty. ==Mechanics== The game takes place as a 2D scrolling shooter with the Vic Viper contending with formations of enemies, both stationary and moving, that fire bullets. Players go through levels consisting of open space and others consisting of maneuvering through close quarters which alter between horizontal and vertical scrolling.〔 Should players come into contact with anything on the screen, the Vic Viper explodes, and they lose a life.〔 In ''Gradius V'', the hit box (the pixels which must be touched by an object to destroy the ship) has been reduced in size to allow players to get through small areas more easily. ''Gradius V'' marks the first time in the series in which players can reappear immediately and resume the game from where they lose a life ever since Salamander series. Alternatively, players may also restart at a previously cleared checkpoint depending on the game's settings.〔 If all lives are lost players have the option to continue and restart the game from where they left off. Players receive extra lives after scoring a certain number of points as indicated in the game's settings,〔Gradius V Instruction Manual, pp. 8.〕 and players may receive extra continues depending on how much total playing time has been accumulated.〔 The game can be played with one player or with two players simultaneously. After players start the game, they will enter a "Select Weapon Array" screen, where they may select the types of power-ups they will use through the course of the game.〔Gradius V Instruction Manual, pp. 6.〕 There is also an unlockable feature called "Weapon Edit" in which players can access if certain conditions are met. In this mode, they can customize the Vic Viper with various combinations of weapons found in the "Select Weapon Array" screen, from earlier ''Gradius'' games, or new weaponry.〔Gradius V Instruction Manual, pp. 11.〕 Players are able to start the game from the beginning or at any stage that was previously cleared. Players can also play a "Score Attack" mode, where they play the game from the beginning under specific parameters. At the end of "Score Attack" mode, players receive a password which allows them to post their highest achieved score on the Internet.〔Gradius V instruction manual, pp. 6–7.〕 Finally, players have the option to view the highest local scores, save or load game data using a PlayStation 2 memory card, or to adjust the game's settings, including stereo or monoural sound, difficulty, number of lives available, the number of points required to earn extra lives, the ability to restart from a checkpoint or immediately after being destroyed, or button configuration.〔Gradius V instruction manual, pp. 7–9.〕 Throughout the game, players can accumulate various power-up capsules after destroying certain enemies or enemy formations. Collecting a power-up capsule moves a yellow cursor on the power meter at the bottom of the screen. Pressing the "Power-Up" button will award the player the power-up that is highlighted on the power meter. The types of power-ups that can be obtained throughout the course of the game are selected at the "Select Weapon Array" and "Weapon Edit" menus before starting.〔 The cursor cycles through the following power-ups in order: "Speed Up", "Missile", "Double", "Laser", "Multiple", and "Shield".〔 With the "Speed Up" power-up, players are able to increase speeds of their ships; with the "Missile" power-up, players can launch air-to-surface missiles to destroy ground targets; and with the "Double" power-up, players can fire an additional gun that fires in another direction other than forward. The "Laser" power-up allows players to fire enemy-piercing lasers, the "Force Field" power-up gives players three additional hits before being destroyed, and "Multiple" power-up gives players clones (also called "Options") that shadow their movements and mimic their firing.〔Gradius V Instruction Manual, pp. 12.〕 A new feature in ''Gradius V'' gives players the ability to control their "Multiples" with the push of a button, depending on which weaponry was selected before starting the game. By pressing a button, players can freeze their Multiples in place, cause them to rotate around the Vic Viper, control the direction of their fire, or spread them out above and below the ship. It was modified from the similar system used in ''Gradius NEO'', a mobile phone game released months before this 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「Gradius V」の詳細全文を読む スポンサード リンク
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