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Half-Life (stylized HλLF-LIFE) is a series of first-person shooter video games that share a single science fiction alternate history. The games in the series all utilize either the GoldSrc or Source engines and are linear, narrative, single-player titles.
Half-Life series | |
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The series' logo, an orange lambda, is a prominent symbol throughout the series | |
開發商 | Valve Corporation (1998–present) Gearbox Software (1999–2001) |
發行商 | Sierra Entertainment (1998–2003) Valve Corporation (2004–present) |
平台 | Windows OS X Linux Xbox Xbox 360 PlayStation 2 PlayStation 3 Shield Portable |
首版平台 | Windows |
首作 | Half-Life November 19, 1998 |
最新作 | Half-Life 2: Episode Two October 10, 2007 |
Valve Corporation is the developer, and partly the publisher and distributor, for their signature games of the series. The major titles in the series feature the player as the protagonist, Gordon Freeman, a theoretical physicist initially employed by the Black Mesa Research Facility. Two of these games, Half-Life and Half-Life 2 are full length titles, while two more, Half-Life 2: Episode One and Half-Life 2: Episode Two, are shorter, episodic titles. A final episode, Half-Life 2: Episode Three, was originally scheduled to appear around Christmas 2007,[1] but now has no public release date.
A puzzle-based first-person series, set in the same fictional universe as the Half-Life games, was created with Portal in 2007, followed by a sequel, Portal 2, in 2011.