However, GLaDOS then declares at the end of the test chamber that it 'unfortunately must be euthanized' in an 'emergency intelligence incinerator' before Chell can continue to the next test chamber.Īfter Chell completes the final test chamber, GLaDOS congratulates her. In another chamber, GLaDOS boasts about the Weighted Companion Cube, a waist-high crate with a single large pink heart on each face, for helping Chell to complete the chamber. GLaDOS also directs Chell through a live-fire course she claims is designed for military androids as a result of 'mandatory scheduled maintenance' in the regular test chamber (though as noted before, GLaDOS may not necessarily be truthful in anything she says). The test chambers become increasingly dangerous and difficult throughout the game as Chell proceeds. GLaDOS' actions and speech suggest insincerity and callous disregard for the safety and well-being of the test subjects. Chell is promised cake and grief counseling as her reward if she completes all the test chambers.Ĭhell proceeds into the Enrichment Center, interacting only with GLaDOS over the course of the game. This part of the game involves distinct test chambers that the player has to complete to go on to the next test chamber.

The game begins with protagonist Chell waking up from a stasis bed and getting instructions and warnings from GLaDOS about the upcoming test chamber experience. The plot of Portal is revealed to the player via audio messages from GLaDOS and side rooms found in the later levels.

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