| 1. | Portal 2 Walkthrough: Chapter 8: Smashy-Smash in Wheatley's Test Chamber 16 (in 1080p HD) | 163,753 | Walkthrough | Portal 2
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| 2. | Portal 2 Walkthrough: Chapter 6 (The Fall): Old Aperture Science Foyer (Let's Play, 1080p HD) | 82,322 | Walkthrough | Portal 2
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| 3. | Portal 2 Walkthrough: Chapter 7: Elevator Shaft at Pump Station Gamma (Let's Play, 1080p HD) | 78,211 | Walkthrough | Portal 2
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| 4. | Portal 2 Walkthrough: Chapter 7: Pump Station Gamma, Introducing Conversion Gel! (in 1080p HD) | 68,337 | Walkthrough | Portal 2
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| 5. | Portal 2 Walkthrough: Chapter 7: Gamma Enrichment Sphere 01, Conversion Gel (Let's Play, 1080p HD) | 62,200 | Walkthrough | Portal 2
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| 6. | Portal 2 Walkthrough: Chapter 6 (The Fall): Bottom of the Pit and Old Foyer (Let's Play, 1080p HD) | 62,038 | Walkthrough | Portal 2
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| 7. | Portal 2 Walkthrough: Chapter 7: Gamma Construction Area A & Pipe Shaft (Let's Play, 1080p HD) | 56,337 | Walkthrough | Portal 2
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| 8. | Portal 2 Walkthrough: Chapter 6 (The Fall): Alpha Enrichment Sphere 01 (Let's Play, 1080p HD) | 39,707 | Let's Play | Portal 2
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| 9. | Portal 2 Walkthrough: Chapter 7: Pump Station Gamma / Gel Pipe Hub (Let's Play, 1080p HD) | 39,209 | Walkthrough | Portal 2
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| 10. | Portal 2 Walkthrough: Chapter 6: Alpha Enrichment Sphere 03 & Pump Station Beta (Let's Play, 1080p) | 38,936 | Let's Play | Portal 2
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| 11. | Portal 2 Walkthrough: Chapter 6 (The Fall): Alpha Enrichment Spheres 02 & 03 (Let's Play, 1080p HD) | 38,184 | Let's Play | Portal 2
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| 12. | Portal 2 Walkthrough: Chapter 7: GLaDOS Reunion and Beta Enrichment Sphere 01 (Let's Play, 1080p HD) | 28,631 | Walkthrough | Portal 2
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| 13. | Portal 2 Walkthrough: Chapter 8: Wheatley Test Chamber 15 (Let's Play, 1080p HD) | 26,165 | Walkthrough | Portal 2
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| 14. | Portal 2 Walkthrough: Chapter 8: Wheatley Test Chambers 11 (Let's Play, 1080p HD) | 21,716 | Walkthrough | Portal 2
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| 15. | Portal 2 Co-Op Walkthrough: Course 2, Chambers 04, 05, 06 (with rebootedsharpshooter, 1080p HD) | 20,542 | Walkthrough | Portal 2
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| 16. | Portal 2 Walkthrough: Chapter 7: Beta Enrichment Spheres 01, 02 (Let's Play, 1080p HD) | 20,392 | Walkthrough | Portal 2
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| 17. | Portal 2 Walkthrough: Chapter 8: Wheatley Test Chamber 12 (Let's Play, 1080p HD) | 20,061 | Walkthrough | Portal 2
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| 18. | Portal 2 Walkthrough: Chapter 9: The Part Where He Kills You (Let's Play, 1080p HD) | 17,450 | Walkthrough | Portal 2
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| 19. | Portal 2 Walkthrough: Chapter 8: Wheatley Test Chambers 03 & 04 (Let's Play, 1080p HD) | 16,790 | Walkthrough | Portal 2
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| 20. | Portal 2 Walkthrough: Chapter 8: Experimental Chambers, Wheatley Test Chambers 01 & 02 (in 1080p HD) | 15,535 | Walkthrough | Portal 2
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| 21. | Portal 2 Walkthrough: Chapter 8: Wheatley Test Chambers 05 & 06 (Let's Play, 1080p HD) | 14,147 | Walkthrough | Portal 2
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| 22. | Portal 2 Walkthrough: Chapter 9: FINAL BATTLE IN WHEATLEY'S LAIR (Let's Play, 1080p HD) | 12,830 | Walkthrough | Portal 2
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| 23. | Portal 2 Walkthrough: Chapter 5, Turret Control Center & Neurotoxin Generator (Let's Play, 1080p HD) | 12,377 | Walkthrough | Portal 2
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| 24. | Portal 2 Walkthrough: Chapter 1, Chambers 2 Through 5 (Let's Play in 1080p HD) | 11,816 | Walkthrough | Portal 2
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| 25. | Portal 2 Walkthrough: Chapter 9: Wheatley's Gauntlet of Traps (Let's Play, 1080p HD) | 11,491 | Walkthrough | Portal 2
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| 26. | Portal 2 Walkthrough: Chapter 4, GLaDOS Test Chamber 18, 19 (Let's Play in 1080p HD) | 11,424 | Walkthrough | Portal 2
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| 27. | Portal 2 Walkthrough: Chapter 3, GLaDOS Test Chamber 11 (Let's Play in 1080p HD) | 11,045 | Walkthrough | Portal 2
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| 28. | Portal 2 Walkthrough: Chapter 3, GLaDOS Test Chamber 10 (Let's Play in 1080p HD) | 10,766 | Walkthrough | Portal 2
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| 29. | Portal 2 Walkthrough: Chapter 1, Emergency Test Chambers 6, 7, and GLaDOS Chamber (Single Player) | 10,647 | Walkthrough | Portal 2
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| 30. | Portal 2 Walkthrough: Chapter 3, GLaDOS Test Chamber 14, 15, 16, 17 (Let's Play in 1080p HD) | 10,213 | Walkthrough | Portal 2
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| 31. | Portal 2 Co-Op Walkthrough: Course 3, Chambers 01, 02 (with rebootedsharpshooter, 1080p HD) | 9,684 | Walkthrough | Portal 2
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| 32. | Portal 2 Walkthrough: Chapter 5, Confronting GLaDOS in Her Lair (Let's Play in 1080p HD) | 8,762 | Walkthrough | Portal 2
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| 33. | Portal 2 Walkthrough: Chapter 4, GLaDOS Test Chamber 20, 21 (Let's Play in 1080p HD) | 8,732 | Walkthrough | Portal 2
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| 34. | Portal 2 Walkthrough: Chapter 2, Incinerator Room and GLaDOS Chambers 01 & 02 (in 1080p HD) | 8,013 | Walkthrough | Portal 2
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| 35. | Portal 2 Walkthrough: Chapter 3, GLaDOS Test Chamber 12, 13 (Let's Play in 1080p HD) | 6,448 | Walkthrough | Portal 2
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| 36. | Portal 2 Co-Op Walkthrough: Course 1, Chambers 01, 02, 03 (with rebootedsharpshooter, 1080p HD) | 6,133 | Walkthrough | Portal 2
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| 37. | Portal 2 Co-Op Walkthrough: Course 2, Chambers 01, 02, 03 (with rebootedsharpshooter, 1080p HD) | 6,132 | Walkthrough | Portal 2
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| 38. | Portal 2 Walkthrough: Chapter 2, GLaDOS Test Chambers 08, 09 (Let's Play in 1080p HD) | 5,815 | Walkthrough | Portal 2
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| 39. | Portal 2 Walkthrough: Chapter 1, The Extended Relaxation Chamber (Let's Play in 1080p HD) | 5,491 | Walkthrough | Portal 2
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| 40. | Portal 2 Co-Op Walkthrough: Course 2, Chambers 07, 08 (with rebootedsharpshooter, 1080p HD) | 4,957 | Walkthrough | Portal 2
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| 41. | Portal 2 Walkthrough: Chapter 5, Turret Creation Line with Wheatley (Let's Play in 1080p HD) | 4,793 | Walkthrough | Portal 2
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| 42. | Portal 2 Co-Op Walkthrough: Course 5, Mobility Gels, Chambers 01, 02 (w/ rebootedsharpshooter, HD) | 4,653 | Walkthrough | Portal 2
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| 43. | Portal 2 Walkthrough: Chapter 2, GLaDOS Test Chambers 03 & 04 (Let's Play in 1080p HD) | 4,383 | Walkthrough | Portal 2
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| 44. | Portal 2 Walkthrough: Chapter 2, GLaDOS Test Chambers 05, 06, 07 (Let's Play in 1080p HD) | 4,234 | Walkthrough | Portal 2
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| 45. | Portal 2 Walkthrough: Chapter 9: Turret Opera and Closing Cinematics (Let's Play, 1080p HD) | 4,170 | Walkthrough | Portal 2
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| 46. | Portal 2 Custom Map: Time Arch by Domtech (This next test may contain trace amounts of time travel) | 2,704 | | Portal 2
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| 47. | Portal 2 Co-Op Walkthrough: Course 1, Chambers 04, 05, 06 (with rebootedsharpshooter, 1080p HD) | 2,584 | Walkthrough | Portal 2
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| 48. | Portal 2 Co-Op Walkthrough: Course 3, Chambers 03, 04 (with rebootedsharpshooter, 1080p HD) | 2,402 | Walkthrough | Portal 2
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| 49. | Portal 2 Co-Op Walkthrough: Course 5, Mobility Gels, Chambers 03, 04 (in 1080p HD) | 1,922 | Walkthrough | Portal 2
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| 50. | Portal 2 Co-Op Walkthrough: Course 3, Chambers 05, 06 (with rebootedsharpshooter, 1080p HD) | 1,758 | Walkthrough | Portal 2
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| 51. | Portal 2 Co-Op Walkthrough: Course 4, Excursion Funnels, Chambers 07, 08 (with rebootedsharpshooter) | 1,691 | Walkthrough | Portal 2
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| 52. | Portal 2 Co-Op Walkthrough: Course 3, Chambers 07, 08 (with rebootedsharpshooter, 1080p HD) | 1,415 | Walkthrough | Portal 2
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| 53. | Portal 2 Co-Op Walkthrough: Course 4, Excursion Funnels, Chamber 09 (w rebootedsharpshooter, 1080p) | 1,331 | Walkthrough | Portal 2
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| 54. | Portal 2 Co-Op Walkthrough: Course 4, Chambers 01, 02, 03 (with rebootedsharpshooter, 1080p HD) | 871 | Walkthrough | Portal 2
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| 55. | Portal 2 Custom Map: BallMaze by Orange (Let's Play, 1080p HD) | 837 | Let's Play | Portal 2
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| 56. | Portal 2 Co-Op in Full 4K Resolution & 60fps w/ Madam Roast Beef! Part 1: The First Courses | 794 | | Portal 2
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| 57. | Portal 2 Co-Op Walkthrough: Course 4, Chambers 04, 05, 06 (with rebootedsharpshooter, 1080p HD) | 704 | Walkthrough | Portal 2
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| 58. | Portal 2 Co-Op in Full 4K Resolution & 60fps w/ Madam Roast Beef! Part 3: Course 5 and Finale | 596 | | Portal 2
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| 59. | Portal 2 Co-Op in Full 4K Resolution & 60fps w/ Madam Roast Beef! Part 2: Courses 3 and 4 | 517 | | Portal 2
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