Black Mesa Free Download (v1.1) Here

The (released post-launch for the commercial version) focused on refinement and stability:

Often distributed as a set including a .7z archive, an .md5 verification file, and a setup .exe . Performance and Compatibility Black Mesa Download Free - 1.5 - TechSpot Black Mesa Free Download (v1.1)

Increased the damage radius for NPC frag grenades to make encounters more tactical. an .md5 verification file

A free tool found in the "Tools" section of your Steam Library that provides the engine needed to run the mod. Black Mesa Free Download (v1.1)