| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (15/15) | 0:31 | 1,434 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (14/15) | 1:59 | 585 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (13/15) | 4:51 | 664 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (12/15) | 2:24 | 349 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (11/15) | 5:12 | 384 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (10/15) | 3:11 | 426 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (9/15) | 0:25 | 431 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (8/15) | 0:56 | 380 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (7/15) | 1:55 | 378 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (6/15) | 2:59 | 464 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (5/15) | 1:31 | 506 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (4/15) | 1:17 | 570 | Walkthrough | Half-Life
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| 2013-01-09 | Half-Life 1997 - Alpha Walkthrough (3/15) | 3:37 | 763 | Walkthrough | Half-Life
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| 2013-01-08 | Half-Life 1997 - Alpha Walkthrough (2/15) | 5:03 | 1,747 | Walkthrough | Half-Life
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| 2013-01-08 | Half-Life 1997 - Alpha Walkthrough (1/15) | 2:34 | 6,676 | Walkthrough | Half-Life
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| 2012-08-17 | Gabe Newell talks Half-Life 3 | 0:06 | 24,506 | | Half-Life
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| 2011-09-20 | Half-Life 3 - Intro | 0:12 | 3,619 | | Half-Life
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| 2010-09-04 | Half-Life - How to get into Crossfire's secret room | 1:11 | 42,149 | Guide | Half-Life
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| 2010-05-18 | Crash-Override's Radar dish | 2:31 | 705 | | Half-Life
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