Source SDK Base infected as a drive behind all sorts of games made by Valve Corporation. The engine provides, for example, the framework for game classics such as Half Life 2, Portal and Team Fortress 2 is. Who wants to play, for example, modifications of this title, is mostly dependent on Source SDK Base. Also for the start of promising Half Life remake Black Mesa, the engine is mandatory requirement. To download the Source SDK Base incidentally an account and install the Steam client is required. This we also offer for download.