| 1. | Black Mesa (Unforeseen Consequences) | 16:03 | | Black Mesa
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| 2. | Black Mesa (Anomalous Materials) | 14:58 | | Black Mesa
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| 3. | Black Mesa (Questionable Ethics) | 14:54 | | Black Mesa
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| 4. | Black Mesa (Lambda Core) 2 | 14:03 | | Black Mesa
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| 5. | Xen Black Mesa (Xen) 3 | 13:59 | | Black Mesa
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| 6. | Black Mesa (Unforeseen Consequences) Pt2 | 13:39 | | Black Mesa
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| 7. | Black Mesa (Blast Pit) 2 | 12:49 | | Black Mesa
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| 8. | Black Mesa (On a Rail) 3 | 11:59 | | Black Mesa
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| 9. | Black Mesa (Lambda core) 5 | 11:58 | | Black Mesa
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| 10. | Black Mesa (Forget Freeman) 2 | 11:24 | | Black Mesa
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| 11. | Black Mesa (Office Complex) 3 | 10:51 | | Black Mesa
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| 12. | Black Mesa (Surface Tension) 5 | 10:47 | | Black Mesa
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| 13. | Black Mesa (Office Complex) | 10:35 | | Black Mesa
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| 14. | Black Mesa (Surface Tension) 2 | 10:29 | | Black Mesa
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| 15. | Black Mesa (Unforeseen Consequences) Part 3 | 10:08 | | Black Mesa
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| 16. | Black Mesa (Residue Processing) 2 | 10:07 | | Black Mesa
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| 17. | Black Mesa (We Got Hostiles) 2 | 9:58 | | Black Mesa
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| 18. | Black Mesa (Surface Tension) 3 | 9:55 | | Black Mesa
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| 19. | Black Mesa (On a Rail) 2 | 9:40 | | Black Mesa
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| 20. | Black Mesa (Surface Tension) 8 | 9:34 | | Black Mesa
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| 21. | Black Mesa (We Got Hostiles) 3 | 9:20 | | Black Mesa
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| 22. | Black Mesa (Lambda Core) | 9:14 | | Black Mesa
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| 23. | Black Mesa (Office Complex) 4 | 9:13 | | Black Mesa
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| 24. | Black Mesa (We Got Hostiles) | 9:10 | | Black Mesa
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| 25. | Black Mesa (Forget Freeman) | 9:07 | | Black Mesa
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| 26. | Black Mesa (Surface Tension) 4 | 8:51 | | Black Mesa
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| 27. | Xen Black Mesa (Xen) 1 | 8:42 | | Black Mesa
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| 28. | Black Mesa (Questionable Ethics) 3 | 8:32 | | Black Mesa
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| 29. | Black Mesa (Residue Processing) | 8:18 | | Black Mesa
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| 30. | Black Mesa (Apprehension) 2 | 8:13 | | Black Mesa
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| 31. | Black Mesa (Surface Tension) 7 | 8:13 | | Black Mesa
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| 32. | Black Mesa (Apprehension) | 8:07 | | Black Mesa
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| 33. | Black Mesa (Surface Tension) 6 | 8:02 | | Black Mesa
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| 34. | Black Mesa (Black Mesa Inbound) | 8:00 | | Black Mesa
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| 35. | Black Mesa (Lambda Core) 4 | 7:53 | | Black Mesa
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| 36. | Black Mesa (Blast Pit) 3 | 7:51 | | Black Mesa
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| 37. | Black Mesa (Surface Tension) 9 | 7:43 | | Black Mesa
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| 38. | Black Mesa (Office Complex) 2 | 7:42 | | Black Mesa
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| 39. | Black Mesa (Apprehension) 3 | 7:30 | | Black Mesa
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| 40. | Black Mesa (Blast Pit) | 7:21 | | Black Mesa
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| 41. | Black Mesa (Surface Tension) | 7:20 | | Black Mesa
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| 42. | Black Mesa (Power Up) | 7:16 | | Black Mesa
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| 43. | Black Mesa (Power Up) 2 | 7:15 | | Black Mesa
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| 44. | Black Mesa (Lambda Core) 3 | 6:58 | | Black Mesa
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| 45. | Black Mesa (On a Rail) | 6:46 | | Black Mesa
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| 46. | Black Mesa (Questionable Ethics) 2 | 6:31 | | Black Mesa
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| 47. | Xen Black Mesa (Xen) 2 | 6:06 | | Black Mesa
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| 48. | Black Mesa (Blast Pit) 4 | 5:54 | | Black Mesa
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| 49. | Black Mesa (Lambda Core) 6 | 5:49 | | Black Mesa
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| 50. | Black Mesa (Power Up) 3 | 5:13 | | Black Mesa
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| 51. | Black Mesa (Lambda Core) 7 | 3:49 | | Black Mesa
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