GLaDOS [SEP] present in work
GLaDOS has been used several times for reveals in the "Portal" series. At E3 2008, GLaDOS' voice was utilized to reveal the "Portal" expansion "Portal: Still Alive". She has also been used to show "Portal 2" reveals; initially, a Blue Screen of Death image was used instead of a reveal of "Portal 2", showing the typical text found in a blue screen of death, but with GLaDOS' name at the top. In the reveal of the PlayStation 3
purpose of generating an endless stream of bad ideas in order to control her.
While Chell and GLaDOS work their way up from deep underground, Wheatley begins fumblingly experimenting with his control of the facility, causing several key systems to fail. By the time Chell and GLaDOS arrive, the core reactor in the facility is set to overload, and the only way to stop it is for GLaDOS to retake her main unit back from Wheatley. Wheatley, coerced by the core programming in GLaDOS, puts them through a series of