Portal is a first-person puzzle game. Players must solve physical challenges by opening portals to manoeuvre objects, and themselves, through the enigmatic Aperture Science Laboratories.
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ss_orangebox
Nov 10, 2007 Singleplayer Map proprietary licence (0.54mb) 2 commentsvery complex map for portal. its called ss_orangebox.
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ValveEngine
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Orange.half-life2.comRelease Date
Released Oct 10, 2007Game Watch
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