The original version of Black Mesa , released in 2012, is still available as a free download on community sites like ModDB . However, it is an and outdated version of the project. Black Mesa - Valve Developer Community
: Runs as a standalone game; you do not need to own any other games. 2. The Legacy "Free Version" (ModDB) black-mesa-free-download-full-version
: Includes the full Earthbound campaign, the expanded 4-hour Xen finale, updated graphics, and Steam Workshop support. The original version of Black Mesa , released