Portal is a 2007 first-person puzzle-platform video game developed by Valve Corporation. The game was released in a bundle package called The Orange Box for Microsoft Windows and Xbox 360 on October 9, 2007, and for the PlayStation 3 on December 11, 2007.[6][7][8] The Windows version of the game is available for download separately through Valve's content delivery system Steam …

Half-Life 2: Episode Two is a first-person shooter video game, the second episode in a series of sequels to the 2004 Half-Life 2. It was developed by Valve Corporation in tandem with Episode One, the first game in the series, and released in 2007 via Valve's Steam content distribution platform.[3] The episode was released both separately and as a part …

Half-Life 2: Episode One is a first-person shooter video game, the first in a series of episodes that serve as the sequel for the 2004 Half-Life 2. It was developed by Valve Corporation and released on June 1, 2006. Originally called Half-Life 2: Aftermath, the game was later renamed to Episode One after Valve became confident in using an episodic …

Half-Life 2 (stylized as H?LF-LIFE2) is a first-person shooter video game and the sequel to Half-Life (1998). Developed by Valve Corporation, it was released on November 16, 2004, following a five-year $40 million development, during which a substantial part of the project was leaked and distributed on the Internet. The game was developed alongside Valve's Steam software. It introduced the …

Doom 3 BFG Edition (stylized as D00M 3 BFG EDITION) is a re-release of Doom 3, which was released on October 15, 2012, in Australia, October 16, 2012 in North America,[1] October 19, 2012 in Europe, and November 22, 2012 in Japan for the PC, PlayStation 3, and Xbox 360. The BFG Edition features enhanced graphics, better audio with more …

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