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Portal - Cover art

Set in the mysterious Aperture Science Laboratories, Portal is designed to change the way players approach, manipulate, and surmise the possibilities in a given environment. Players must solve physical puzzles and challenges by opening portals to maneuver objects, and themselves, through space.

Originally released as part of The Orange Box bundle.  Later released as a standalone title.

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Readers rating

4.5 38 5 0 Portal


Average based on 38 ratings
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Walkthrough for Portal

Stuck in Portal, or looking for the best way to proceed? Click below to view our walkthrough for Portal and wonder no more!

Note, these will contain spoilers.

What our readers think of Portal

Posted by TimovieMan on Jan 13, 2017

Genre-busting game with a particularly well-executed physics-bending gimmick at its core.

You wake up in a confined "relaxation" room and are soon greeted by the computerized voice of GLaDOS, the resident AI. She says you're the new test subject in Aperture Science's Computer-Aided Enrichment Center, apparently a lab where you get to test a newly-...

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Adventure Games by Valve

» Portal (series)

Game Information

Platform PC, PlayStation 3, Xbox 360
Perspective First-Person
Control Gamepad, Keyboard
Gameplay Hybrid - Simulation, Puzzle
Genre Science Fiction
Theme Psychological
Graphic Style Illustrated realism
Presentation -
Action (Compulsory) -
Red Flags Game-over events, Internet connection requirement
Media DVD, Internet download

Product Details

System Requirements
Windows Vista/XP/2000
1.7 GHz Processor
DirectX 8 level Graphics Card
Internet Connection

Windows Vista/XP/2000
Pentium 4 processor (3.0GHz, or better)
DirectX 9 level Graphics Card
Internet Connection

Portal by Valve - Adventure Game

Portal is an adventure game, released in 2008 by Valve. Portal has a Illustrated realism style and uses a Gamepad, Keyboard control scheme. Adventure Gamers have published a review of Portal and rate it as Excellent, meanwhile the community rating for Portal is Excellent.
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