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This version of the track appears in the retail game. Surface Tension (c2a5b): After destroying the Apache and entering the cliff side pipes.
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"We've Got Hostiles" (c1a3d): Immediately after the first encounter with the HECU. It was used in the E3 1998 Half-Life presentation, "Offices." This version of the track appears in the 1997 press alpha leak. It also appears in Half-Life 2 as Neutrino Trap. Office Complex (c1a2c): Within the freezer area. (first instance)Īpprehension (c2a3c): Upon entering the freezer area. Office Complex (c1a2b): In a booby-trapped room with a boarded up exit and Headcrabs falling from the roof. (second instance)Īlso appears in Half-Life 2 as Zero Point Energy Field and in Half-Life: Alyx as Infestation Ambience. Lambda Core (c3a2e): While descending on a platform with a truck, prior to fighting the Black Ops. Unforeseen Consequences (c1a1c): While descending on a platform as Headcrabs emerge from a vent above. "Forget About Freeman!" (c3a1a): In the sewers when approaching an Ichthyosaur. (second instance)Īpprehension (c2a3a): When first encountering an Ichthyosaur. Office Complex (c1a2): While exiting the elevator and seeing a live wire blocking the path.
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Unforeseen Consequences (c1a1f): When seeing a Zombie convulsing in a chair in front of a flashing monitor. Unforeseen Consequences (c1a0c): Played at the beginning of the chapter as Gordon makes his way out of the Test Chamber.Īlso appears in Half-Life 2 as Echoes of a Resonance Cascade and as Tri-Vector Pre-Reverberation in Half-Life: Alyx. Black Mesa Inbound (c0a0): During the tram ride to Sector C.Īlso appears in Half-Life 2 as Black Mesa Inbound.Īnomalous Materials (c1a0d): When Gordon Freeman acquires the HEV Suit.
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