| 1. | Optional Safety HEV Afterthoughts - Black Mesa - Part 2 [Beta Squared] | 3:00:19 | | Black Mesa
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| 2. | Practical Physicals - Black Mesa - Part 1 [Beta Squared] | 2:51:05 | | Black Mesa
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| 3. | The Shooting Gallery - Black Mesa: The Rarest Specimen - Part 3 [Beta Squared] | 2:32:05 | | Black Mesa
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| 4. | State of Xen - Black Mesa - Part 3 [Beta Squared] | 2:22:25 | | Black Mesa
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| 5. | Space Time Conundrums - Black Mesa - Part 4 Finale [Beta Squared] | 2:07:03 | | Black Mesa
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| 6. | Space Sauce Boss - Black Mesa: Pepperoni Precipitation - Part 2 [Beta Squared] | 2:05:48 | | Black Mesa
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| 7. | Warning: Contents Hot! - Black Mesa: Pepperoni Precipitation - Part 1 [Beta Squared] | 2:05:03 | | Black Mesa
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| 8. | The Royal Colour - Black Mesa: The Rarest Specimen - Part 1 [Beta Squared] | 1:55:43 | | Black Mesa
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| 9. | Mad Hatter Syndrome - Black Mesa: The Rarest Specimen - Part 5 Finale [Beta Squared] | 1:51:12 | | Black Mesa
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| 10. | A Hazard in Science - Black Mesa: The Rarest Specimen - Part 2 [Beta Squared] | 1:48:33 | | Black Mesa
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| 11. | Pizza Time - Black Mesa: Pepperoni Precipitation - Part 3 Finale [Beta Squared] | 1:37:22 | | Black Mesa
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| 12. | Freezie Pops - Black Mesa: The Plan [Beta Squared] | 1:37:16 | | Black Mesa
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| 13. | Colour Into Space - Black Mesa: The Rarest Specimen - Part 4 [Beta Squared] | 1:20:16 | | Black Mesa
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| 14. | Black Mesa | 15 | Captured! | 19:11 | | Black Mesa
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| 15. | Black Mesa (Source) | 1 | Half-Life 1: The End Times Begin | 18:41 | | Black Mesa
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| 16. | Black Mesa | 2 | The Handy Crowbar | 14:38 | | Black Mesa
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| 17. | Black Mesa | 13 | A Rocket in the Night Sky | 14:22 | | Black Mesa
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| 18. | Black Mesa | 24 | Coolant Systems | 14:22 | | Black Mesa
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| 19. | Black Mesa | 10 | Giant Horrifying Monster! | 14:08 | | Black Mesa
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| 20. | Black Mesa | 4 | Office Shenanigans | 13:57 | | Black Mesa
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| 21. | Black Mesa | 3 | Aliens Abroad | 13:55 | | Black Mesa
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| 22. | Black Mesa | 5 | Freezer Time Fun | 13:46 | | Black Mesa
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| 23. | Black Mesa | 18 | The Dam | 13:37 | | Black Mesa
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| 24. | Black Mesa | 11 | On a Rail | 13:29 | | Black Mesa
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| 25. | Black Mesa | 21 | That One Living Gun Thing | 13:14 | | Black Mesa
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| 26. | Black Mesa | 16 | Office Complex | 12:42 | | Black Mesa
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| 27. | Black Mesa | 8 | Green Goopy Pit of Death | 12:37 | | Black Mesa
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| 28. | Black Mesa | 17 | Military Intervention | 12:33 | | Black Mesa
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| 29. | Black Mesa | 9 | Giant Green Octopus Thing of Doom | 11:43 | | Black Mesa
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| 30. | Black Mesa | 22 | The Return of our Big Buddy | 11:20 | | Black Mesa
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| 31. | Black Mesa | 6 | Soldiers & Bombs | 11:15 | | Black Mesa
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| 32. | Black Mesa | 14 | Freezer Burn | 10:25 | | Black Mesa
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| 33. | Black Mesa | 26 | Now, you're thinking with Portals | 9:03 | | Black Mesa
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| 34. | Black Mesa | Finale | The Lambda Core | 9:03 | | Black Mesa
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| 35. | Black Mesa | 7 | All Out War | 8:55 | | Black Mesa
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| 36. | Black Mesa | 20 | Tanky Landmines | 8:29 | | Black Mesa
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| 37. | Black Mesa | 19 | Cliffside Helicopter | 7:53 | | Black Mesa
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| 38. | Black Mesa | 25 | I'm Bad at Avoiding Lasers | 7:29 | | Black Mesa
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| 39. | Black Mesa | 12 | Rocket Jump | 6:42 | | Black Mesa
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