Credits / Closing Theme (Tracking Device)
Kelly Bailey
Half A Life Here
The DakNongs
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
What They Do
The Roots, Raphael Saadiq
Section
The Roots
Valve Theme [Long Version] (Hazardous Environments)
Kelly Bailey
Diabolical Adrenaline Guitar (Lambda Core)
Kelly Bailey
Half A Life Here
w.鹤川
The Hypnotic
The Roots, D'Angelo
Halflife
Sandra Kolstad
Halflife
Lacuna Coil
Half Life
Nothing Unfinished
Half Life (Remix)
W∆W, Valve
Half Life
Unknown N., Anas Sameer
Half Life
Whether, I
Half Life
Livingston
Half Life
Djo
Half Life
Forwe兰斯
Triage at Dawn
Kelly Bailey
Half Life
Appleby
Adrenaline Horror
Kelly Bailey
Hard Technology Rock
Kelly Bailey
Cavern Ambiance (Zero Point Energy Field)
Kelly Bailey
Vague Voices (Black Mesa Inbound)
Kelly Bailey
Half life
Smerz
Military Precision
Kelly Bailey
Half Life
Ori Lichtik