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Welcome to the Valve Developer Community. Whether you're building a "Triple-A" commercial project or a MOD for Half-Life® 2, you'll want to sign up as a Valve developer today.

http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif sign up to become part of the community -- it's free!

Valve Technology Source and the Source SDK http://developer.valvesoftware.com/w/images/b/bd/DoublearrowRed.gif Enter the Source Engine Documentation WIKI Our knowledgebase of technical information about using the engine and all of the related tools is now posted on a community-driven web site called a WIKI. Sign up as a developer to contribute or to ask a question. For MOD Teams http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif Why choose the Source Engine for your MOD? http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif Read "Making a MOD" - building a team through the shipping process. http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif Already using the SDK? Check the FAQ for some helpful answers. http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif New to Source coding? Get started with "My First Entity". http://developer.valvesoftware.com/w/images/4/4d/Doublearrow.gif Read (or add!) a tutorial on Source development, or any part of the content creation process.

Latest News Source SDK Update Wed Oct 19th, 2011 The Source SDK is has been updated. VDC Site Update Monday Jun 27th, 2011 The site has gone through a software upgrade and a new look. Read more about the improvements on the Release Notes page. Source SDK Update Tue May 11th, 2010 A new version of the Source SDK is now available. VDC Site Update Thursday Jun 18th, 2009 The site has gone through a software upgrade. Read more about the improvements on the Release Notes page. A New and Improved VDC! Thursday, Jan 15, 2009 The site has gone through a major upgrade with many new editing features! Read more about the changes on the Release Notes page.