Credits / Closing Theme (Tracking Device)
Kelly Bailey
Half A Life Here
The DakNongs
Half Life
MKJ, Julie Elody
What They Do
The Roots, Raphael Saadiq
Section
The Roots
Half A Life Here
w.鹤川
Half A Life Here
原始之音
Nuclear Mission Jam (Something Secret Steers Us)
Kelly Bailey
Klaxon Beat
Kelly Bailey
Valve Theme [Long Version] (Hazardous Environments)
Kelly Bailey
The Hypnotic
The Roots, D'Angelo
Halflife
Sandra Kolstad
Halflife
Lacuna Coil
Diabolical Adrenaline Guitar (Lambda Core)
Kelly Bailey
Adrenaline Horror
Kelly Bailey
Half Life
Nothing Unfinished
Half Life
Unknown N., Anas Sameer
Half Life
Ori Lichtik
Half Life
Livingston
Half Life
Djo
Half Life
Forwe兰斯
Anti-Citizen
Valve
Half Life
Livingston
Half Life
Appleby
Nepal Monastery
Kelly Bailey
Half life
Smerz
Drums and Riffs (Tau-9)
Kelly Bailey
Vague Voices (Black Mesa Inbound)
Kelly Bailey
Military Precision
Kelly Bailey
Alien Shock (Biozeminade Fragment)
Kelly Bailey