| 1. | Black Mesa (Power Up) | 2 | | Black Mesa
|
| 2. | Black Mesa (Unforeseen Consequences) Part 3 | 2 | | Black Mesa
|
| 3. | Black Mesa (Anomalous Materials) | 2 | | Black Mesa
|
| 4. | Black Mesa (Office Complex) | 2 | | Black Mesa
|
| 5. | Black Mesa (Unforeseen Consequences) | 2 | | Black Mesa
|
| 6. | Black Mesa (Office Complex) 2 | 2 | | Black Mesa
|
| 7. | Black Mesa (Blast Pit) 3 | 1 | | Black Mesa
|
| 8. | Black Mesa (Unforeseen Consequences) Pt2 | 1 | | Black Mesa
|
| 9. | Black Mesa (Surface Tension) 6 | 1 | | Black Mesa
|
| 10. | Black Mesa (Black Mesa Inbound) | 1 | | Black Mesa
|
| 11. | Black Mesa (Power Up) 3 | 1 | | Black Mesa
|
| 12. | Black Mesa (Blast Pit) 2 | 1 | | Black Mesa
|
| 13. | Black Mesa (Office Complex) 4 | 1 | | Black Mesa
|
| 14. | Black Mesa (Office Complex) 3 | 1 | | Black Mesa
|
| 15. | Black Mesa (On a Rail) | 1 | | Black Mesa
|
| 16. | Black Mesa (Surface Tension) 8 | 1 | | Black Mesa
|
| 17. | Black Mesa (Blast Pit) 4 | 1 | | Black Mesa
|
| 18. | Black Mesa (Blast Pit) | 1 | | Black Mesa
|
| 19. | Black Mesa (Power Up) 2 | 1 | | Black Mesa
|
| 20. | Black Mesa (Surface Tension) | 1 | | Black Mesa
|
| 21. | Xen Black Mesa (Xen) 3 | 0 | | Black Mesa
|
| 22. | Black Mesa (Lambda Core) 7 | 0 | | Black Mesa
|
| 23. | Black Mesa (Questionable Ethics) 3 | 0 | | Black Mesa
|
| 24. | Black Mesa (Forget Freeman) 2 | 0 | | Black Mesa
|
| 25. | Black Mesa (We Got Hostiles) 2 | 0 | | Black Mesa
|
| 26. | Black Mesa (Apprehension) 2 | 0 | | Black Mesa
|
| 27. | Black Mesa (Surface Tension) 3 | 0 | | Black Mesa
|
| 28. | Black Mesa (Questionable Ethics) | 0 | | Black Mesa
|
| 29. | Black Mesa (Surface Tension) 2 | 0 | | Black Mesa
|
| 30. | Black Mesa (Questionable Ethics) 2 | 0 | | Black Mesa
|
| 31. | Black Mesa (Lambda Core) 4 | 0 | | Black Mesa
|
| 32. | Black Mesa (Apprehension) | 0 | | Black Mesa
|
| 33. | Black Mesa (We Got Hostiles) 3 | 0 | | Black Mesa
|
| 34. | Black Mesa (Surface Tension) 9 | 0 | | Black Mesa
|
| 35. | Black Mesa (Forget Freeman) | 0 | | Black Mesa
|
| 36. | Black Mesa (Lambda Core) 6 | 0 | | Black Mesa
|
| 37. | Black Mesa (On a Rail) 2 | 0 | | Black Mesa
|
| 38. | Xen Black Mesa (Xen) 2 | 0 | | Black Mesa
|
| 39. | Black Mesa (We Got Hostiles) | 0 | | Black Mesa
|
| 40. | Black Mesa (Residue Processing) 2 | 0 | | Black Mesa
|
| 41. | Black Mesa (Apprehension) 3 | 0 | | Black Mesa
|
| 42. | Black Mesa (On a Rail) 3 | 0 | | Black Mesa
|
| 43. | Black Mesa (Surface Tension) 4 | 0 | | Black Mesa
|
| 44. | Black Mesa (Surface Tension) 5 | 0 | | Black Mesa
|
| 45. | Black Mesa (Lambda core) 5 | 0 | | Black Mesa
|
| 46. | Black Mesa (Lambda Core) | 0 | | Black Mesa
|
| 47. | Black Mesa (Lambda Core) 2 | 0 | | Black Mesa
|
| 48. | Black Mesa (Surface Tension) 7 | 0 | | Black Mesa
|
| 49. | Xen Black Mesa (Xen) 1 | 0 | | Black Mesa
|
| 50. | Black Mesa (Residue Processing) | 0 | | Black Mesa
|
| 51. | Black Mesa (Lambda Core) 3 | 0 | | Black Mesa
|
