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25 Nov 2007 10 Jan 2011 25 May 2013 A guide for completing the Lambda Locator achievement in Half Life 2. Every location detailed, with screenshots. 6 Jul 201531 Aug 2009 7 Sep 2010 Lambda Locator Achievement in The Orange Box: Find all lambda caches in Half-Life 2 - worth 15 GamerScore. Find guides to this 12 Dec 2007 18 Oct 2008 24 Dec 2013 17 Oct 2007 The Following is a Chapter break down of the first 25 Lambda locations I have been able to find. This is a mixture of many different guides I