01 Anomalous Materials
02 Apprehension (Mesa Remix)
03 Apprehension
04 Black Mesa Theme (Mesa Remix)
05 Black Mesa Theme
06 Blast Pit 1
07 Blast Pit 2 (Mesa Remix)
08 Blast Pit 2
09 Blast Pit 3
10 End Credits Part 1
11 End Credits Part 2
12 Forget About Freeman
13 Inbound Part 1
14 Inbound Part 2
15 Inbound Part 3
16 Lambda Core
17 Office Complex (Mesa Remix)
18 Office Complex
19 On a Rail 1
20 On a Rail 2
21 Power Up
22 Questionable Ethics 1
23 Questionable Ethics 2
24 Residue Processing
25 Surface Tension 1
26 Surface Tension 2
27 Surface Tension 3
28 Surface Tension 4
29 Unforeseen Consequences
30 We've Got Hostiles
31 Bonus - On a Rail (leaked)