![Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech](http://www.extremetech.com/wp-content/uploads/2014/08/source-2-vconsole2-console.jpg)
Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech
![Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech](https://www.extremetech.com/wp-content/uploads/2014/08/source-2-hammer-editor-640x353.jpg)
Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech
![Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech](http://www.extremetech.com/wp-content/uploads/2014/08/valve-hammer-source-2-map-editor.jpg)
Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech
![Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech](http://www.extremetech.com/wp-content/uploads/2014/08/dota-2-source-2-shadowfiend-particle-effect.jpg)