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Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. The digital PC version is distributed online by Valve's Steam service, while all retail editions were distributed by Electronic Arts. A port for the Nintendo Switch was included as part of Portal: Companion Collection .
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. Most of the tests involve ...
Portal is often cited as one of the greatest video games ever made. Excluding Steam download sales, over four million copies of the game have been sold since its release, spawning official merchandise from Valve including a model portal gun and plush Companion Cubes, as well as fan recreations of the cake .
The following is a list of characters in Portal and Portal 2, both developed and published by Valve .
Source distantly originates from the GoldSrc engine, itself a heavily modified version of John Carmack 's Quake engine with some code from the Quake II engine. Carmack commented on his blog in 2004 that "there are still bits of early Quake code in Half-Life 2 ". [3] Valve employee Erik Johnson explained the engine's nomenclature on the Valve Developer Community: [4]
The Orange Box was released for Windows and the Xbox 360 in October 2007, while the PlayStation 3 version, developed by EA UK, [1] was released in December 2007. A digital Orange Box pack, containing the five games, was released in May 2010 for macOS following the release of Steam for the platform, [2] while a similar version for Linux followed after the Steam's clients release for Linux in ...
The Portal series, which takes place in the same universe as the Half-Life games, is a series of puzzle games developed by Valve. The first game, Portal, was released on October 10, 2007, followed by Portal 2 on April 19, 2011.
Portal Reloaded is a 2021 free modification for Portal 2, created by German developer Jannis Brinkmann. As in the official Portal games, gameplay involves solving puzzles by manipulating portals which allow the player to move through space. Additionally, the mod allows players to shoot a third "time portal", allowing traversal across two versions of the puzzle chamber in different time periods.
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