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Single-player. Portal is a 2007 puzzle - platform game developed and published by Valve. It was released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3, and has been since ported to other systems, including Mac OS X, Linux, Android (via Nvidia Shield ), and Nintendo Switch . Portal consists primarily of a series of puzzles ...
Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.
For games that were originally developed proprietary as commercial closed source product, see also Category:Commercial video games with freely available source code. See also. Free and open-source software portal; Video games portal; List of game engines; List of open-source first-person shooters
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Portal: Revolution is a 2024 free modification for Portal 2 created by Second Face Software. As with the official Portal games, it is a puzzle-platform game that involves using portals to navigate test chambers. It also adds several new mechanics, such as suction vents and paired laser cubes. Taking place prior to the events of Portal 2 ...
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