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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.
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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.
