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  2. Portal (video game) - Wikipedia

    en.wikipedia.org/wiki/Portal_(video_game)

    Portal. (video game) 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 .

  3. Portal rendering - Wikipedia

    en.wikipedia.org/wiki/Portal_rendering

    Portal rendering. In computer-generated imagery and real-time 3D computer graphics, portal rendering is an algorithm for visibility determination. For example, consider a 3D computer game environment, which may contain many polygons, only a few of which may be visible on screen at a given time. By determining which polygons are currently not ...

  4. Source (game engine) - Wikipedia

    en.wikipedia.org/wiki/Source_(game_engine)

    Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. It is most well-known for its usage by Valve, but the engine has been used both by small teams and individuals to create modifications of Valve games, [1] and other ...

  5. Portal (series) - Wikipedia

    en.wikipedia.org/wiki/Portal_(series)

    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.

  6. The 7th Portal - Wikipedia

    en.wikipedia.org/wiki/The_7th_Portal

    The 7th Portal became the first ever web animation series to succeed as a 3D ride attraction and to be developed for a $150 million movie by Paramount Pictures with producer Mark Canton. The first public use of the word Webisode has been attributed to the marketing and promotion of The 7th Portal. It is a portmanteau formed by the words 'web ...

  7. Portal 2 - Wikipedia

    en.wikipedia.org/wiki/Portal_2

    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 .

  8. Portal:Erotica and pornography - Wikipedia

    en.wikipedia.org/wiki/Portal:Erotica_and_pornography

    Introduction. Pornography (colloquially known as porn or porno) has been defined as sexual subject material "such as a picture, video, or text" that is intended for sexual arousal. Made for the consumption by adults, pornography depictions have evolved from cave paintings, some forty millennia ago, to virtual reality presentations.

  9. 3-D Secure - Wikipedia

    en.wikipedia.org/wiki/3-D_Secure

    3-D Secure. 3-D Secure is a protocol designed to be an additional security layer for online credit and debit card transactions. The name refers to the "three domains" which interact using the protocol: the merchant/acquirer domain, the issuer domain, and the interoperability domain. [1]