Cannot select 'Multi-Core Rendering' option...

Hi guys just a quick report before I begin playing. When configuring my settings for video I am unable to select any ‘Multi-Core Rendering’ options.

Screenshot:

The version of Source BM is made with doesn’t support multi-core.

Correct.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.