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Every weapon covers the front and back of the ship except the Burning Wave, the only primary straight firing weapon. The weapons available to the ship included the Thunder Cracker, Chase Cannon, Burning Wave and the Satellite Bombs. Weapons are collected as icons in the stage. The charge weapon unleashes a stronger version of whichever weapon the player has equipped. The charge weapon automatically charges when the player does not hold down the fire button. The Bari-arm has four ship speed levels and is equipped with a fully automatic shot and a charge weapon. Players control the Bari-arm through seven shooting stages. Bari-arm is piloted by two young pilots with the mission of destroying the new GEO system before the Zias war machines destroy any further colonies and eradicate humanity forever. Human scientists study the Zias technology and, based on the Zias GEO system, became able to build a space fighter capable of fighting against the Zias: the Bari-arm, a space ship capable of using multiple weapons and transforming into a giant robot with the same capabilities as the Zias cyborgs.
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Zias uses a symbiotic computer system and several mecha factories powered by a device called the GEO as their primary attack force. In the year 2192 however, the colonists near Jupiter are attacked by the independent military nation of Zias stationed on the Olympus colony of Saturn. Humanity makes advances in space travel and colonization. Android Assault: The Revenge of Bari-Arm, released in Japan as Bari-arm ( バリ・アーム), is a 1993 shoot 'em up video game developed and published by Human Entertainment for the Sega CD.
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