Credits / Closing Theme (Tracking Device)
Kelly Bailey
What They Do
The Roots, Raphael Saadiq
Half Life
MKJ, Julie Elody
Nuclear Mission Jam (Something Secret Steers Us)
Kelly Bailey
Klaxon Beat
Kelly Bailey
Half A Life Here
原始之音
Half A Life Here
w.鹤川
Section
The Roots
Half A Life Here
The DakNongs
Vague Voices (Black Mesa Inbound)
Kelly Bailey
The Hypnotic
The Roots, D'Angelo
Halflife
Sandra Kolstad
Halflife
Lacuna Coil
Military Precision
Kelly Bailey
Adrenaline Horror
Kelly Bailey
Half Life
Collars
Half Life
Forwe兰斯
Half life
Smerz
Half Life
Djo
Half Life
Livingston
Diabolical Adrenaline Guitar (Lambda Core)
Kelly Bailey
Hard Technology Rock
Kelly Bailey
Valve Theme [Long Version] (Hazardous Environments)
Kelly Bailey
Half Life
Ori Lichtik
Space Ocean (Echoes of a Resonance Cascade)
Kelly Bailey
Nepal Monastery
Kelly Bailey
Drums and Riffs (Tau-9)
Kelly Bailey
Half Life
Whether, I
Jungle Drums
Kelly Bailey
Alien Shock (Biozeminade Fragment)
Kelly Bailey