Credits / Closing Theme (Tracking Device)
Kelly Bailey
Nuclear Mission Jam (Something Secret Steers Us)
Kelly Bailey
Triage at Dawn
Valve
Hazardous Enviroments
Kelly Bailey
半条命
静静
最后一次的分离(cover)
半条命
λ
尚先生
Combine Harvester
Kelly Bailey
Falling 4u(Bad 4me)
半条命
Klaxon Beat
Kelly Bailey
写给山鬼听
半条命
CP Violation
Kelly Bailey
自闭症
半条命
听什么都像唱自己
半条命
Valve Theme [Long Version] (Hazardous Environments)
Kelly Bailey
Lambda Core
Kelly Bailey
Credits Closing Theme
Valve
You're Not Supposed to Be Here
Kelly Bailey
Diabolical Adrenaline Guitar (Lambda Core)
Kelly Bailey
What Kind Of Hospital Is This
Kelly Bailey
Tau-9
Kelly Bailey
Vague Voices (Black Mesa Inbound)
Kelly Bailey
隔壁老樊-我曾 DJ版(Remix)
半条命
Something Secret Steers Us
Kelly Bailey
Tracking Device
Kelly Bailey
Particle Ghost
Kelly Bailey
Vortal Combat
Kelly Bailey
你我最后终是过客
半条命
群星-执着（弹鼓版）（另类人 / 林柯轩 remix）
半条命, 林柯轩
Sector Sweep
Kelly Bailey