List of Half-Life 1 music

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This page documents the music available in Half-Life, Half-Life: Opposing Force, and Half-Life: Blue Shift, as well as mods using their content.

Todo: Document Half-Life: Source (and by extension, Half-Life Deathmatch: Source).

Half-Life

The following tracks are available in Half-Life and most first-party GoldSrc games (not in ), as well as mods for them that do not override the vanilla music files.

Note:

• Track numbers based upon original retail CD track IDs, which are also used by target_cdaudio and trigger_cdaudio. Track 1 is a data track in the original retail CD. Album releases use the same track order, but start at 1 instead of 2.
• Track names taken from official album releases, as found on Steam, iTunes, and the official YouTube Music uploads.
• Some tracks were reused in Half-Life 2, either in their original form, or remixed; these have been indicated appropriately below.

Important: Sven Co-op uses a different naming system. All tracks are named Half-Life##.mp3 wherein ## is the CD track number minus one.

#	MP3 file name	Half-Life album track name	Half-Life 2 album track name	Notes
2	Half-Life01.mp3	Adrenaline Horror	N/A	Plays in "We've Got Hostiles!" (c1a3b) when encountering the first Osprey of the game and a squad of HECU soldiers.
3	Prospero01.mp3	Vague Voices	Black Mesa Inbound	Plays in Black Mesa Inbound (c0a0) during the tram ride to Sector C.
4	Half-Life12.mp3	Klaxon Beat	N/A	Plays in Anomalous Materials (c1a0d) when Gordon Freeman acquires the HEV Suit.
5	Half-Life07.mp3	Space Ocean	Echoes of a Resonance Cascade	Plays in Unforeseen Consequences (c1a0c) at the beginning of the chapter as Gordon makes his way out of the Test Chamber.
6	Half-Life10.mp3	Cavern Ambience	Zero Point Energy Field	Plays in Unforeseen Consequences (c1a1c) while descending on a platform as Headcrabs emerge from a vent above, and in Lambda Core (c3a2e) while descending on a platform with a truck, prior to fighting the Black Ops.
7	Suspense01.mp3	Apprehensive	N/A	Plays four times, making it the most used track in the game. First in Unforeseen Consequences (c1a1f) when seeing a Zombie convulsing in a chair in front of a flashing monitor, second in Office Complex (c1a2) while exiting the elevator and seeing a live wire blocking the path, third in Apprehension (c2a3a) when first encountering an Ichthyosaur, and finally in "Forget About Freeman!" (c3a1a) in the sewers when approaching an Ichthyosaur.
8	Suspense03.mp3	Bass String	N/A	Plays in Office Complex (c1a2b) in the cafeteria, where some zombies are picking over the corpses of some dead scientists and Headcrabs fall from the ceiling, and in Apprehension (c2a3c) upon entering the freezer area.
9	Half-Life09.mp3	Hurricane Strings	Neutrino Trap	Plays in Office Complex (c1a2c) in the dark room before the freezer area, where two zombies are eating from two scientists' dead bodies.
10	Half-Life02.mp3	Diabolical Adrenaline Guitar	Lambda Core	Plays in "We've Got Hostiles!" (c1a3d) immediately after the first encounter with the HECU, and in Surface Tension (c2a5b) after destroying the Apache and entering the cliff side pipes.
11	Half-Life13.mp3	Valve Theme (Extended)	Hazardous Environments	Plays in Surface Tension (c2a5a) during the cliff side area.
12	Half-Life04.mp3	Nepal Monastery	N/A	Plays in Blast Pit (c1a4i) when entering the Silo and hearing the Tentacles for the first time, and in Surface Tension (c2a5x) when entering the realm of the Tentacle in the sand.
13	Half-Life15.mp3	Alien Shock	Biozeminade Fragment (remix)	Plays in Power Up (c2a1) upon first seeing the Gargantua, and in Surface Tension (c2a5g) when encountering the Gargantua in the parking garage.
14	Half-Life14.mp3	Sirens in the Distance	Triple Entanglement (remix)	Plays in On A Rail (c2a2) when descending into the tunnels at the beginning of the chapter.
15	Half-Life16.mp3	Nuclear Mission Jam	Something Secret Steers Us	Plays in Apprehension (c2a3) at the beginning of the chapter while on the rail-car and encountering HECU troops, and in Questionable Ethics (c2a4f) when picking up the Tau Cannon.
16	Suspense02.mp3	Scared Confused Short	N/A	Plays in Apprehension (c2a3d) after watching the security guard get assassinated by a Black Ops assassin, in Lambda Core (c3a2e) upon entering the room with the Black Ops, and in Endgame (c5a1) after declining the G-Man's offer.
17	Half-Life03.mp3	Drums & Riffs	Tau-9	Plays in On A Rail (c2a2h) after launching the Rocket.
18	Half-Life08.mp3	Hard Technology Rock	N/A	Plays in "Forget About Freeman!" (c3a1b) when encountering Alien Grunts fighting HECU troops in the repair bay.
19	Prospero02.mp3	Steam in the Pipes	Negative Pressure	Plays in Lambda Core (c3a2d) while opening the portal to Xen.
20	Half-Life05.mp3	Electric Guitar Ambience	Escape Array	Plays in Surface Tension (c2a5c) in the area with Laser Trip Mines and a Sniper.
21	Prospero04.mp3	Dimensionless Deepness	Dirac Shore	Plays in Xen (c4a1) in the teleporter room leading to the Gonarch's lair.
22	Half-Life11.mp3	Military Precision	N/A	Plays in Residue Processing (c2a4a) when looking out from a vent to see a security guard fending off Headcrabs shortly before being killed by a Barnacle.
23	Half-Life06.mp3	Jungle Drums	N/A	Plays in Gonarch's Lair (c4a2) at the beginning of the chapter when encountering the Gonarch.
24	Prospero03.mp3	Traveling Through Limbo	Singularity	Plays in Nihilanth (c4a3) while fighting the Nihilanth.
25	Half-Life17.mp3	Credits Closing Theme	Tracking Device (remix)	Plays during the credits sequence.
26	Prospero05.mp3	Threatening Short	Xen Relay	Plays in Xen (c4a1) after entering Xen, and in Interloper (c4a1f) at the portal leading to the Nihilanth's lair.
27	Suspense05.mp3	Dark Piano Short	N/A	Plays in Questionable Ethics (c2a4d) upon first discovering the Alien Grunt trapped in a glass enclosure, and in Surface Tension (c2a5d) in the core of the missile storage room.
28	Suspense07.mp3	Sharp Fear Short	N/A	Plays in Power Up (c2a1) when killing the Gargantua.
29	Gamestartup.mp3	N/A	N/A	Not present in vanilla installation of , but will play and loop upon startup if present.

Tip:Lossless FLAC versions of all tracks can be downloaded for free via the Steam application.

Opposing Force and Blue Shift

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The following tracks are available in Half-Life: Opposing Force and Half-Life: Blue Shift, as well as mods using those games as a fallback_dir.

Note:

• Track numbers based upon original retail Opposing Force CD track IDs, which are also used by target_cdaudio and trigger_cdaudio. Track 1 is a data track in the original retail CD.
• The retail version of Blue Shift uses a different track order than Opposing Force. As of the SteamPipe update, the Steam version uses the same track order for both games.

Important: Sven Co-op uses a different naming system. All tracks are named OpposingForce##.mp3 wherein ## is the CD track number minus one.

Todo: split track names into and columns

#	MP3 file name	Track name	Opposing Force notes	Blue Shift notes
2	Half-Life01.mp3	Scientific Proof
3	Prospero01.mp3	Orbit / The Awakening
4	Half-Life12.mp3	Name
5	Half-Life07.mp3	Listen / Spooky Oozings
6	Half-Life10.mp3	Fright		Not used in Blue Shift.
7	Suspense01.mp3	Storm
8	Suspense03.mp3	Trample / Spectre of Limbo
9	Half-Life09.mp3	Bust / Race from Doom
10	Half-Life02.mp3	The Beginning / Temple of Limbo
11	Half-Life13.mp3	Lost in Thought / Wastes of Limbo
12	Half-Life04.mp3	Danger Rises
13	Half-Life15.mp3	Soothing Antagonist
14	Half-Life14.mp3	Run / Stroke of Midnight
15	Half-Life16.mp3	Open the Valve
16	Suspense02.mp3	Tunnel
17	Half-Life03.mp3	Chamber / The Ticking Timebomb
18	Half-Life08.mp3	Maze
19	Prospero02.mp3	Alien Forces
20	Half-Life05.mp3	Planet
21	Prospero04.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
22	Half-Life11.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
23	Half-Life06.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
24	Prospero03.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
25	Half-Life17.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
26	Prospero05.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
27	Suspense05.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
28	Suspense07.mp3	N/A	Not present in vanilla installation of or ; Steam version will fallback to track instead.
29	Gamestartup.mp3	N/A	Not present in vanilla installation of or , but will play and loop upon startup if present.

Trivia

• "Prospero" refers the canceled Valve project Prospero, one of the first two projects that Valve worked on, the other being Quiver, which eventually became Half-Life.

See also

• target_cdaudio
• trigger_cdaudio

External links

• Half-Life 1 Soundtrack on YouTube (official playlist)
• Half-Life 2 Soundtrack on YouTube (official playlist)
• Half-Life soundtrack, Half-Life: Opposing Force soundtrack, Half-Life: Blue Shift soundtrack, and Half-Life 2 soundtrack on the Combine Overwiki
• "Half-Life: Blue Shift - Dreamcast vs. PC Soundtrack Comparison" by MarphitimusBlackimus on YouTube