This is the source code for Half-Life 2: Beta Deathmatch V1.0.0.
This is the source code for Half-Life 2: Beta Deathmatch V1.0.0. It was used on Visual C++ 2010 Express, but it can be configured to work with Mac and Linux as well. Be sure to read the HL2BDM_README.txt as it explains everything you need to know to set the source code up and how to use it.
Until I get around to uploading it on GitHub, this is the closest thing to "Half-Life 2: Beta Deathmatch 2014" source code that we have for now.