Credits / Closing Theme (Tracking Device)
Kelly Bailey
Something Secret Steers Us
Kelly Bailey
Triage at Dawn
Valve
Klaxon Beat
Kelly Bailey
半条命
静静
Diabolical Adrenaline Guitar (Lambda Core)
Kelly Bailey
λ
尚先生
Tracking Device
Kelly Bailey
Combine Harvester
Kelly Bailey
写给山鬼听
半条命
Hard Technology Rock
Kelly Bailey
Lambda Core
Kelly Bailey
受伤的翅膀
半条命
Neutrino Trap
Kelly Bailey
Valve Theme [Long Version] (Hazardous Environments)
Kelly Bailey
Military Precision
Kelly Bailey
Credits Closing Theme
Valve
分裂
半条命
Echoes of a Resonance Cascade
Kelly Bailey
你我最后终是过客
半条命
Vague Voices (Black Mesa Inbound)
Kelly Bailey
Brane Scan
Kelly Bailey
脱离(心纯净 血dirty)
红血热, 半条命, 小跳刀
Klaxon Beat
Valve
Hard Fought
Kelly Bailey
LG Orbifold
Kelly Bailey
Dark Energy
Kelly Bailey
你是我女朋友（翻自 难言x）
半条命
Shadows Fore and Aft
Kelly Bailey
最后一次的分离(cover)
半条命