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Many of the original tracks had no name on the Opposing Force disc, but received one on the Blue Shift disc. Additionally, most previously named tracks received a new name on the Blue Shift disc as well. When a track has multiple titles, the Opposing Force title is listed first.
|“Scientific Proof”||Incoming: Played during the opening scene aboard the Osprey.||Blue Shift Track 11|
|“The Awakening AKA Orbit”||Welcome to Black Mesa: Upon exiting the Black Mesa Infirmary||Blue Shift Track 13|
|“Name”||Welcome to Black Mesa: Upon encountering the Vortigaunt corpse with the Combat Knife impaled in its back||Blue Shift Track 14|
|“Spooky Oozings AKA Listen”||Welcome to Black Mesa: Upon falling into the pool of water immediately after entering the sewers of the Black Mesa Transit System.||Blue Shift Track 15|
|“Spooky Monastery”||"We Are Pulling Out": While riding the tram.||This is the only track to not be used in Blue Shift, though it may have been intended to be Track 16, "Fright"|
|“Storm”||"We Are Pulling Out": While running up to the hangar access door that The G-Man closes.||Blue Shift Track 17|
|“Spectre of Limbo AKA Trample”||"Missing In Action": While Approaching the Test Flame Area||Blue Shift Track 18|
|“Race from Doom 2 AKA Bust”||Friendly Fire: While approaching the room where Adrian first encounters the Black Ops and the Mark IV Thermonuclear Device.||Blue Shift Track 19|
|“Temple of Limbo AKA The Beginning”||Crush Depth: While entering the lift right before rescuing the Scientist in the teleporter at the beginning of the chapter.||Blue Shift Track 1|
|“Wastes of Limbo AKA Lost in Thought”||Crush Depth: The room with the broken X-ray, immediately before Adrian's first encounter with Shock Troopers.||Blue Shift Track 2|
|“Danger Rises”||We Are Not Alone: Upon entering Xen for the first time.||Blue Shift Track 3|
|“Soothing Antagonist”||Foxtrot Uniform: When approaching the Dam.||Blue Shift Track 4|
|“Stroke of Midnight AKA Run”||Pit Worm's Nest: Upon dropping from the air vent at the beginning of the chapter.||Blue Shift Track 5|
|“Open the Valve”||Vicarious Reality: When Shock Troopers and Pit Drones teleport into the Observation Area of Biodome 02.||Blue Shift Track 6|
|“Tunnel”||Foxtrot Uniform: Upon entering the sewer maze populated by Voltigores.||Blue Shift Track 7|
|“The Ticking Timebomb AKA Chamber”||"The Package": Upon approaching the Black Ops Mortar.||Blue Shift Track 8|
|“Maze”||"The Package": Riding the lift leading to the start of Worlds Collide||Blue Shift Track 9|
|"Alien Forces"||Worlds Collide: While riding down the lift to the battle with the Gene Worm.||This track is called "Opposing Force: Track 19" on the Opposing Force disc, and "Blue Shift: Track 10" on the Blue Shift disc.|
|“Planet”||This is the song played over the final credits.||Blue Shift Track 12|
Initially, the Steam releases of Opposing Force and Blue Shift had its original soundtrack replaced by that of Half-Life.