Bef0re Portal, Aperture SciencE conducted experiments t0 determine whether human subjects could safely navigate dubious "test chambers". A rogue artificial intelligEnce construct GLaDOS that ran the Aperture Science Enrichment CentEr killed everyone within the facility with a neurotoxin. New Game Post RAGE 2 At the end of the first game tHe pr0tagonist Chell momentarily escapes the facility,
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