1. Anomalous Materials
2. Apprehension (Mesa Remix)
3. Apprehension
4. Black Mesa Theme (Mesa Remix)
5. Black Mesa Theme
6. Blast Pit 1
7. Blast Pit 2 (Mesa Remix)
8. Blast Pit 2
9. 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)