What is Half-Life (series)?
{{About|the video game series|the 1998 video game|Half-Life (video game)|the property of [[radioactive]] [[chemical element|elements]]|Half-life (element)}} {{Italic title}}{{Infobox video game series|image=Orange lambda.svg|title=Half-Life|developer=[[Valve Corporation]] (Half-Life) [[Gearbox Software]] (Half-Life: Opposing Force, Half-Life: Blue Shift)|genre=[[First-Person Shooter]] science fiction video game|platforms=[[Playstation 2]] (Half-Life) [[Xbox]] (Half-Life 2) [[Windows]]/[[CD-ROM]] [[Xbox 360]] (Half-Life 2 and Episodes 1 and 2) [[MacOS]] [[Linux]]|platform of origin=[[Playstation 2]] [[Windows]]/[[CD-ROM]] [[Linux]] [[MacOS]]|first release version=[[Half-Life]]|latest release version=[[Half-Life: Alyx]]|first release date=November 8, 1998|collapsible==yes|latest release date=March 23, 2020|publisher=[[Valve Corporation]] ([[Steam]]) [[Sierra Entertainment]] ([[CD-ROM]])}} '''''Half-Life''''' is a series of [[video games]] created by [[Valve Corporation]]. The player plays as a character named [[Gordon Freeman]], who is a survivor of a terrible accident at the Black Mesa Science Research [[Company]]. A group of [[scientists]] make a portal to another [[dimension]], and accidentally let in many alien monsters that start killing everyone. In the first game, ''[[Half-Life]]'', made in [[1998]], you play through this disaster and try to escape. ''Half-Life'' has received two expansions made by [[Gearbox Software]], ''[[Half-Life: Opposing Force]]'' and ''[[Half-Life: Blue Shift]]''. ''Half-Life: Opposing Force'' and ''Half-Life: Blue Shift'' take place in the Black Mesa Research Facility, Before the accident takes place. In ''Opposing Force,'' you play as Adrian Shephard, Tasked with Infiltrating the facility to kill everyone, until suddenly The Player’s Designated Helicopter Crashes, and must now team up with Facility Personnel to Survive, ''Blue Shift'' takes place Inside the facility moments before the accident and where you play as Barney Calhoun, a security guard who according to the [[Steam (