Soundtrack Portal

The INFRA soundtrack was composed by Finnian Langham. It consists of a variety of ambient, industrial and action oriented tracks. The soundtrack is available for purchase on Steam, which includes both .mp3 and .flac versions of the tracks listed below.

Steam album artwork.

Youtube playlist of all official INFRA Soundtracks: https://www.youtube.com/watch?v=OEI5BwZ6fjk&list=PLseDX-I4V9yRnrGlWmIxLYs71gqNN9RI0&index=2

Track Listing

OST #	Game #	Track Title	Filename	Time	Level location	Comments
47	01	Radio 5	action.wav	1:52	Played on a radio. Ending 2: Played at Mark's house.	Formerly called "Action Atmosphere".
30	02	Point Elias	ambient.wav	2:46	Business2: Played at Point Elias metro station, after the steam pipe bursts.	Formerly called "Ambient Interior".
27	03	Approach with Caution	approach.wav	1:27	Stormdrain: Played in the storm drain when the flood alarm is activated.
26	04	Bodies	bodies.wav	0.25	Bunker: Played when Mark enters the room full of corpses from the metro incident.
25	05	Bunker Ambient	bunker.wav	1:03	Bunker: Played right after Mark opens the metal shutters overlooking the metro incident in the control room.
08	06	Collapse	collapse.wav	3:12	Tunnel1: Played when the floodgates fail and the ceiling begins to collapse.	Can be dated back to October 4th, 2012.
N/A	07	Collapse (Slowed)	collapse_slow.wav	2:42	Sewer2: Played when the flood door override button is pressed, causing the room to collapse.	Soundtrack is also played in a lower pitch. Soundtrack cuts off earlier than original version.
19	08	Cracks in the Wall	cracks.wav	0:43	Waterplant: Played when the ceiling collapses behind Mark and gas starts leaking in the corridor leading to the water plant.
03	09	The Dam	dam.wav	1:52	Reserve2: Played when Mark descends the elevator at the start of the level.
22	10	Dynamite Trap	dynamite.wav	0:36	Servicetunnel: Played while the dynamite under the skyscraper is being detonated.
02	11	Falling for the Night	falling.wav	1:54	Reserve1: Played after Mark calls his boss at the start of the level.
12	12	Furnace	furnace.wav	1:32	Furnace: Played when Mark enters the rolling hall of the steelmill.
04	13	Hartman's Speech	hartmann.wav	1:15	Reserve2: Played when Hartman's tape is activated in the dam control room.
36	14	Hazardous	hazardous.wav	1:26	Reactor: Played when Mark fails to stabilize the reactor and is forced to evacuate.
N/A	15	Hazardous (Slowed)	hazardous_slow.wav	2:51	Tunnel3: Played when Mark steps on the makeshift raft and it detaches from the dock.	Soundtrack is much quieter, which makes it difficult to hear backgroud noises.
32	16	Lakeside	lakeside.wav	3:48	River: Played when Mark exits the cave into the tenement's graveyard.
05	17	Lookout	lookout.wav	0:47	Reserve2: Played when Mark reaches the top of the viewing platform.	Can be dated back to January 22nd, 2015, in a remixed form.
01	18	Menu	menu.wav	2:28	Main Menu: Played in loop when on the main menu.	Can be dated back to December 5th, 2014.
34	19	The Mist	mist.wav	2:00	Villa: Played when Mark activates the recording found in the villa library.
07	20	No Signs of Life	no.wav	2:00	Tunnel1: Played when Mark enters the long corridor at the start of the level which leads to the office.	Can be dated back to October 4th, 2012.
13	21	Panic Threshold	panic.wav	3:33	Furnace: Played when Mark lights fire to the gas leaks within the furnace room.	One of the oldest songs, can be dated back to October 23rd 2011. This soundtrack is a combination of No signs of life + Collapse/Underwater radar (more underwater radar) + Approach with caution + Unfamilliar enviroment + Cracks in the wall.
N/A	22	Credits (Part 1)	part1endingm.wav	1:47	Sewer2: Played at the end of Part 1 when the ceiling collapses on Mark in Hartman's hidden office.	Soundtrack is played in a lower pitch.
N/A	23	Credits (Part 2 and 3)	part2endingm.wav	1:36	Powerstation: Played at the end of Part 2 when Mark collapses after the explosion. Roof: Played at the end of Part 3 when Mark enters the helicopter and leaves the Nuclear Power Plant.	This is the only soundtrack in-game that plays twice without changing anything about the soundtrack (eg. speed, pitch).
28	24	Powerstation	part3beginm.wav	0:32	Powerstation2: Played at the start of the level as Mark once again recovers and picks himself up.	The in-game version of this track is only 25 seconds long.
18	25	Pick Yourself Up	pick.wav	0:51	Sewer3: Played at the start of level as Mark recovers and picks himself up.
21	26	Platform	platform.wav	1:36	Central: Played after the train passes through the metro tunnel causing the ceiling to collapse.
43	27	Radio 1	radio1.wav	1:57	Played on a radio. Officeblackout: Played on a radio near your co-workers. Reserve1: Played by the radio in Mark's car at the start of the level.
44	28	Radio 2	radio2.wav	4:00	Played on a radio. Officeblackout: Played on a radio near your co-workers. Metro: Played in an office in the metro station.
45	29	Radio 3	radio3.wav	3:45	Played on a radio. Officeblackout: Played on a radio near your co-workers.
46	30	Radio 4	radio4.wav	3:04	Played on a radio. Business: Played when you enter through the door leading to Point Elias. Ending 3: Played in Mark's cottage.	Can be dated back to December 5th, 2014.
37	31	Reactor 1	reactor1m.wav	1:52	Reactor: Played when Mark arrives on the reactor's control and pumping hall's floor.
38	32	Reactor 2	reactor2m.wav	1:52	Reactor: Played when Mark arrives on the bottom floor of the reactor building.
10	33	Rebuild	rebuild.wav	5:17	Tunnel4: Played at the end of the raft ride as Mark exits the tunnel.	The longest soundtrack in-game.
11	34	Routine	routine.wav	0:51	Furnace: Played as Mark exits the Bergmann tunnel system into a courtyard of the steelmill.
17	35	Sewer Depths	sewer.wav	1:28	Sewer: Played when Mark drops into the sewers from the metro maintenance access.
15	36	The Surface	surface.wav	0:42	Watertreatment: Played when Mark exits the tunnel and looks over the water treatment plant.
31	37	Tenements	tenements1.wav	2:00	Tenements: Played when Mark exits the tenement's border inspection and into the main courtyard.
23	38	Tense Thumps	tense.wav	1:48	Servicetunnel: Played after the dynamite room when Mark exits through a collapsing corridor.
35	39	To Save a City	to.wav	2:21	Npp: Played as Mark enters the administrative building of the nuclear power plant.	This soundtrack, like Panic Threshold, combines other sountracks. It uses No signs of life + Unfamiliar enviroment/Cracks in the wall (higher pitch) + panic thereshold + Under the bridge + Rebuild + Approach with caution.
14	40	Tower	tower.wav	1:32	Tower: Played when Mark reaches the top of the exhaust fume tower, overlooking Stalburg.
N/A	41	Trailer 2 (Cut)	trailer2_cut.wav	0.26	Does not appear in retail game.	Clipped version of the music track found in the ending of the INFRA: Part 3 Trailer.
20	42	Trainstation	trainstation.wav	0:40	Minitrain: Played when the ceiling collapses behind Mark in the minitrain tunnel past the code locked door.	Can be dated back to January 22nd, 2015.
06	43	Under the Bridge	under.wav	2:40	Reserve3: Played when Mark exits the cave system.	Can be dated back to May 20th, 2012.
09	44	Underwater Radar	underwater.wav	3:41	Tunnel4: Played during the raft ride as Mark enters the mushroom filled caverns.
16	45	Unfamiliar Environment	unfamiliar.wav	2:34	Sewer: Played when Mark enters the area filled with burst gas pipes and fires.
33	46	Villa	villa1.wav	1:12	Villa: Played when Mark exits the cave and discovers the Villa.
24	47	Walter's Office	walter.wav	2:31	Skyscraper: Played when Mark enters Walter's office.
29	48	What Happened Here	what.wav	1:29	Isle1: Played as Mark exits the cave and moves on to the waterfront.
40	49	Trailer 1	N/A	1:59	Does not appear in retail game.	Played in the first trailer of Infra.
41	50	Trailer 2	N/A	1:07	Does not appear in retail game.	Played in the trailer for Part 2.
42	51	Trailer 3	N/A	1:44	Does not appear in retail game.	Played in the trailer for Part 3.
39	N/A	Credits	Only available in OST.	1:54	Does not appear in retail game.	Full version of the credits track.

Trivia

• In the latest version of the Steam soundtrack, "Ambient Interior" and "Action Atmosphere" were respectively renamed "Point Elias" and "Radio 5".

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