Metal Gear Solid 4: Guns of the Patriots is an action-adventure stealth video game developed by Kojima Productions and published by Konami for Playstation 3 in 2008.
Metal Gear Solid 4: Guns of the Patriots Story
After learning of his year-long lifespan from Werner syndrome-like symptoms, Snake is tasked by Campbell. Now he is working with the United Nations Security Council, to assassinate Liquid Ocelot. In a Middle-Eastern war zone occupied by one of Liquid’s PMCs, Snake meets Drebin, an arms dealer who injects Snake with nanomachines to use the latest weaponry and Meryl.
Snake reaches Liquid but the latter transmits a signal that incapacitates those nearby with nanomachines. Snake sees Dr. Naomi Hunter, who departs with Liquid. In South America, Snake locates Naomi, herself a captive of Liquid. She explains that Liquid plans to use the biometrics of Big Boss to access and take command of the Patriots’ firearms control system.
Snake learns his accelerated aging is due to intentional genetic mutations as a human clone. The FOXDIE virus inside him will also mutate within months, spreading to the general populace and causing a deadly pandemic. Liquid’s PMC soldiers kidnap Naomi but Snake rescues her. Assisted by Drebin and Raiden, they escape but Raiden is injured by Vamp.
Snake locates an Eastern-European resistance group to heal Raiden and which possesses the comatose body of Big Boss. Its leader EVA reveals she was the surrogate mother to Snake and Liquid through the cloning process. They move Big Boss’ body by boat while Liquid’s PMC soldiers attack decoys.
Liquid captures the body and obtains the biometrics, intending to infiltrate the Patriots’ system by using the repaired artificial intelligence core, GW, as a trojan. U.S. soldiers arrive to arrest Liquid but he kills them after disabling their firearms.
Big Boss’ body is set alight and Snake saves EVA from the fire when she tries to save the body but in the process he gets badly injured and his left cheek is permanently burned. Naomi leaves with Liquid but Otacon tracks them. EVA dies from her injuries.
Snake and Otacon learn that Liquid aims to destroy the Patriots’ master AI with a nuclear strike, allowing GW to take control. A non-ID-tagged warhead is required from Metal Gear REX at Shadow Moses in Alaska. There, Snake is ambushed by Vamp, accompanied by Naomi.
Vamp is killed when his self-healing nanomachines are disabled via injection. Naomi reveals she has terminal cancer; overcome with guilt for her mistakes, she also disables the nanomachines keeping her alive and dies. Snake and Raiden use REX to escape and fend off Liquid piloting a Metal Gear RAY.
Liquid reveals Outer Haven, a modified Arsenal Gear. Raiden saves Snake from being crushed before the USS Missouri, captained by Mei Ling, arrives and forces Haven to retreat.
Snake, Meryl, and Johnny board Haven when it surfaces to launch the nuke. At the core, Snake installs a computer virus coded by Naomi and Sunny into Liquid’s trojan; it destroys not only the core AI but the entire Patriot network controlling global affairs, leaving the necessities for civilization to survive.
Liquid explains to Snake that he allowed the virus’ installation to destroy the Patriots. The two fight, with Snake victorious. Liquid becomes Ocelot again before dying. Meryl reconciles with her father, Campbell and marries Johnny.
Raiden reunites with Rose after learning their child was not miscarried and that her marriage to Campbell was a ruse to protect them from the Patriots. Snake visits the Boss’s grave at a cemetery. Having no further purpose and to prevent an epidemic from his FOXDIE, Snake attempts suicide, but hesitates at the last moment.
Snake is then met by Big Boss with a vegetative Zero; the body burned in Europe was Solidus Snake. Big Boss reveals that the Patriots were founded by himself, Zero, EVA, Ocelot, Sigint, and Para-Medic to realize the will of the Boss, Big Boss’ mentor.
Differing interpretations split the group into two factions: Zero’s, which stood for government control of society to prevent conflict, and Big Boss’, where soldiers fought for personal beliefs, unrestrained by governments. Zero consigned control to AI networks, the Patriots.
After Big Boss’ downfall in Zanzibar, the Patriots placed him in an induced coma, and later initiated the war economy, a vision far from the Boss’ will. Ocelot and EVA planned to restore Big Boss by destroying the Patriots. The possession of Ocelot through Liquid was a ruse to draw the Patriots’ attention. Big Boss then kills Zero by cutting off his life support.
He informs Snake that the nanomachines from Drebin contained FOXDIE, engineered by the Patriots to kill EVA, Ocelot, and Big Boss. With the new strain supplanting the mutated strain, Snake poses no risk of becoming a biological weapon unless he lives long enough for it to mutate.
After understanding his mentor’s will and telling Snake to find a new reason to keep living, Big Boss dies beside the Boss’ grave. Snake decides to live the time he has left peacefully with Otacon and Sunny.
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