All of the Source SDKs I have downloaded right now: Source SDK Base 2013 Singleplayer [upcoming] Source SDK Base 2013 Multiplayer Source SDK Base 2013 Dedicated Server Source SDK Base 2007 Source SDK Base 2006 Source SDK
![obsolete](https://media.cdn.community.lambdageneration.com/emojis/source-obsolete.png?size=normal)
All of the Source SDKs I have downloaded right now: Source SDK Base 2013 Singleplayer [upcoming] Source SDK Base 2013 Multiplayer Source SDK Base 2013 Dedicated Server Source SDK Base 2007 Source SDK Base 2006 Source SDK