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Waking up in a seemingly empty laboratory, the player is made to complete various physics-based puzzle challenges through numerous test chambers in order to test out the new Aperture Science Handheld Portal Device, without an explanation as to how, why or by whom.
How long to beat
IGDB averages from 48 submissions. Crtik medians are first-playthrough times confirmed by at least five players. When both exist, your target is their midpoint.
How long to beat
IGDB averages from 48 submissions. Crtik medians are first-playthrough times confirmed by at least five players. When both exist, your target is their midpoint.
