

At the climax of the game, Chell enters GLaDOS's chambers, where it is revealed that she's actually a complex artificial intelligence system composed of robotic parts hanging from a larger device. She has several system personality cores installed into her, partly to prevent her from killing anyone. Her personality has been described as passive-aggressive, witty, narcissistic, and sinister.

As Chell escapes her control, GLaDOS's announcements get increasingly personal and farcical. Over time, players learn that she is, in fact, leading the player-character Chell to her death. Her voice is robotic, but distinctly female. Problems playing this file? See media help.įor much of Portal, GLaDOS serves solely as the narrator, guiding players through the test chambers. She has been the subject of significant critical analysis from both journalists and game developers, who have compared her to other villainous computer systems in fiction, including HAL 9000 from 2001: A Space Odyssey and SHODAN from System Shock, with GLaDOS meeting the former in Lego Dimensions. A number of publications listed her as one of the all-time greatest video game villains, including IGN and Game Informer, both of which ranked her first. Universally praised for her contributions to the caliber of Portal 's narrative, GLaDOS received multiple awards for being the best new game character in 2007 from GameSpy, GamePro, and X-Play. She is considered one of the greatest video game characters, particularly among those created in the 2000s. GLaDOS received critical acclaim from critics and gamers alike, some of whom called her narcissistic, passive-aggressive, sinister, and witty. " Still Alive" became hugely successful, notably appearing in the Rock Band game series, and has been a popular song for YouTube users to cover. McLain imitated dialog read aloud by a speech synthesizer with her own voice, which was then processed to sound more robotic, and performed songs in character during the closing credits of both entries in the series. The physical appearance of GLaDOS went through several designs, one of which featured a large disk below her. While the game was initially designed with other characters, they were later removed, leaving GLaDOS as the only character players encounter. Play testers were motivated to complete tests in the game due to her guidance. GLaDOS was originally intended to be present solely in the first area of Portal she was well received by other designers and her role was expanded as a result. Other game developers working on Psychonauts found the lines funnier as a result of the synthesized voice. The inspiration for the character's creation extends from Wolpaw's use of a text-to-speech program while writing lines for the video game Psychonauts. She is apparently destroyed at the end of the first game but returns in the sequel, in which she is comically supplanted by her former intelligence dampener and temporarily stuck on a potato battery, while her past as the human Caroline is also explored. The second game, as well as the Valve-created comic Lab Rat, reveals that she was mistreated by the scientists and used a neurotoxin to kill the scientists in the laboratory before the events of Portal.

While GLaDOS initially appears in the first game to simply be a voice that guides the player, her words and actions become increasingly malicious as she makes her intentions clear. GLaDOS is responsible for testing and maintenance in the Aperture Science Computer-Aided Enrichment Center in all titles. The character was created by Erik Wolpaw and Kim Swift and voiced by Ellen McLain. GLaDOS later appeared in The Lab and Lego Dimensions.
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GLaDOS ( Genetic Lifeform and Disk Operating System) is a fictional artificially superintelligent computer system from the video game series Portal. Wheatley (intelligence dampener formerly)
