Run. Think. Shoot. Live. Source. Black Mesa is the Half-Life 2 total conversion of the original Half-Life game. Utilizing the Source engine and its endless array of possibilities and powers, Black Mesa will throw you into the world that started the Half-Life continuum and introduced Gordon Freeman to the world as a gun-toting, bullet-dodging Ph.D. in Theoretical Physics.
This release contains the full beta version of On a Rail Uncut, comprising the maps A1, A2, B1, and B2. These maps integrate seamlessly with Black Mesa and have been refined a lot from their Alpha versions. It restores On a Rail back to roughly its full length from Half-Life 1, adding lots of cool scripted sequences and memorable moments which were missing from Black Mesa's version. To install, simply unzip to your BMS folder, after reading the readme in detail! Enjoy, and feel free to leave me as much feedback as you want!