Uploaded March 2024 | Updated September 2026, 2 weeks ago

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Download the Soundtrack: boosty.to/ostgames/posts/fb5119fa-359b-487a-8f20-d5b8eeaa4431
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My Page on boosti: boosty.to/ostgames
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Tracklist:
01 - Scientific Proof / 0:00
02 - Orbit / 0:15
03 - Name / 1:01
04 - Listen / 2:51
05 - Spooky Monastery / 3:07
06 - Storm / 4:06
07 - Trample / 5:42
08 - Bust / 6:58
09 - The Beginning / 8:45
10 - Lost in Thought / 10:50
11 - Danger Rises / 12:10
12 - Soothing Antagonist / 13:24
13 - Run / 14:49
14 - Open the Valve / 15:41
15 - Tunnel / 17:04
16 - Chamber / 18:28
17 - Maze / 20:00
18 - Alien Forces / 20:57
19 - Planet / 22:12
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Complete soundtrack in one video | Half Life: Opposing Force (1999) | OST
Developer: Gearbox Software
Publisher: Valve
Music: Chris Jensen
Version for WINDOWS (STEAM)