Find more clues, hints, and info below. This clue was last seen in December 30, 2024. What was the most recent answer for Valve's first-person puzzle game series featuring Chell and GlaDOS crossword ...

Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment ...