Global Total as of 28th Oct 2017 (units): N/A
Platform: Mac OS XAlso on: PlayStation 3, Xbox 360, Microsoft Windows
Developer: Valve Corporation Genre: Puzzle

Release History

Portal Valve CorporationNorth America12th May 2010Steam
Portal Valve CorporationEurope12th May 2010Steam

Game Overview

Portal is a story-driven puzzle game, developed by Valve and released as part of The Orange Box and stand-alone for Microsoft Windows, Mac OS, Xbox 360, and PlayStation 3. A sequel, Portal 2, was released in 2011.

In Portal, the player is challenged by an artificial intelligence, GLaDOS (Genetic Lifeform and Disk Operating System), to complete a series of puzzle rooms in the Aperture Science Enrichment Center testing laboratories, with the promise of receiving cake when all of the puzzles have been completed. Puzzles revolve around the use of a Aperture Science Handheld Portal Device, or Portal gun, which can create inter-spatial portals between two flat planes; a gameplay concept first utilised in the game Nerbacular Drop.