Black Mesa Free Download (v1.1) -

A free tool found in the "Tools" section of your Steam Library that provides the engine needed to run the mod.

The (released post-launch for the commercial version) focused on refinement and stability: Black Mesa Free Download (v1.1)

Added a toggle for "Classic Iron Sights" and fixed bugs where the game failed to detect certain controllers. A free tool found in the "Tools" section

Decreased HECU marine reaction times and adjusted their bullet spread based on difficulty levels. Originally released as a free mod for Half-Life

Originally released as a free mod for Half-Life 2, this version covers the story up until the "Lambda Core" chapter (it does not include the Xen levels). It is still hosted as freeware on platforms like TechSpot . Key Updates in v1.1

is a fan-made, total reimagining of Valve’s original Half-Life (1998). While the modern "Definitive Edition" is a paid standalone game on Steam , a legacy "Free Mod" version remains available for those who want to experience the project's early roots. Game Versions and Availability

Increased the damage radius for NPC frag grenades to make encounters more tactical.