This sounds like somethin outta hunt down the freemann

я прошу вас, будьте очень аккуратны!

"You want a ciggarette? Not you, the hand."

This track give such a strong sci-fi feeling!

Whole fucking room filled with tripmines...

Be it in Black Mesa or Half Life, I hated this part more then all of "Interloper" combined

The Keeper [Black Mesa: Blue Shift OST]

Joel Nielsen - BMS - Anomalous Materials

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 03 Entangled

did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa Xen SoundTrack 10 Harbinger