Half-Life (series) 2 !

The Half-Life series begins in the first decade of the 21st century, at the fictional Black Mesa Research Facility in New Mexico. Gordon Freeman, a recently employed theoretical physicist, is involved in an experiment analyzing an unknown crystalline artifact; however, when the anti-mass spectrometer beam contacts the crystal, it opens a dimensional rift between Black Mesa and another world called Xen, causing monsters to swarm Black Mesa and kill many of the facility's personnel. Attempts by the Black Mesa personnel to close the rift are unsuccessful, leading to a specialist US Marines unit being sent in to silence the facility, including any survivors from the science team. Freeman fights through the facility to meet with several other scientists, who decide to travel to the alien dimension to stop the aliens. On Xen, Freeman eliminates the alien "leader" and is confronted by the G-Man, who offers Freeman employment before putting him into stasis.[1] Back in Black Mesa, a second alien race begins an invasion, but are stopped when a Marine corporal, Adrian Shephard, collapses their portal in the facility. The G-Man then destroys Black Mesa with a nuclear warhead, and detains Shephard in stasis.
Nearly twenty years later,[1] the G-Man brings Freeman out of stasis and inserts him into a dystopian Earth ruled by the Combine, another alien race, that used the dimensional rift caused at Black Mesa to conquer Earth in the interim. In the Eastern European settlement City 17, Freeman meets surviving members of the Black Mesa incident, including Isaac Kleiner, Barney Calhoun, Eli Vance and his daughter Alyx Vance, and aids in the human resistance against Combine rule. The Xen aliens, the Vortigaunts, who have been enslaved by the Combine, also assist the resistance. When his presence is made known to former Black Mesa administrator and Combine spokesman Wallace Breen, Freeman becomes a prime target for the Combine forces. Eventually, Freeman sparks a full revolution amongst the human citizens. Eli Vance and his daughter are subsequently captured by the Combine, and Freeman helps the resistance forces attack the Combine's Citadel to rescue them. Breen attempts to flee in a teleporter, but is presumed dead after Freeman destroys the dark energy reactor at the Citadel's top. The G-Man then arrives to extract Freeman before he is engulfed in the explosion, but is interrupted when Vortigaunts liberate Freeman from stasis and place both him and Alyx Vance at the bottom of the Citadel. The two then attempt to stabilize the Combine's primary reactor while the citizens evacuate the city, discovering that the Combine are attempting to destroy the reactor to call for reinforcements from the Combine's native dimension. After downloading critical data, they move through the war-torn city to the train station to take the last train out of the city. The Combine then destroy the reactor and thus both the Citadel and the city; the resulting explosion causes the train to derail.





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