
Built into and over several decommissioned nuclear missile silos, Black Mesa is the site of broad scientific research relating to theoretical, quantum, and particle physics, applied mathematics, robotics, genetics, biotechnology, trans-dimensional travel, teleportation, and other classified subjects.

The Black Mesa Research Facility is a private research and defense contractor comprised of a massive complex built within the mountains of New Mexico, and is the setting of the original Half-Life, as well as Half-Life: Opposing Force, Half-Life: Blue Shift, and Half-Life: Decay.
