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: Most of the games follow Solid Snake as he infiltrates high-tech fortresses to destroy "Metal Gears"—bipedal tanks capable of launching nuclear missiles.

Metal Gear Solid 3: Snake Eater - Game Script - PlayStation 2 MailAccess.txt

The overarching narrative of the Metal Gear series spans over 50 years of fictional history, focusing on the legacy of the legendary soldier and his clone, Solid Snake . : Most of the games follow Solid Snake