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.

DarkHorseCock says

10/10 - Agree (2) Disagree

Excellent game, without doubt the best mod i have ever seen.
The energi, and life, in black mesa, surrounds you, like never before. Defenitly a mod worth playing - again, and again, and...