| 1. | Portal 2 - Beta Wheatley Boss battle | 2,212 | | Portal 2
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| 2. | F-Stop / Portal 2 Alpha - Opening Scene | 827 | Let's Play | Portal 2
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| 3. | Portal 2 - Educational Version | 418 | | Portal 2
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| 4. | Portal 2 - GLaDOS and the Combine | 320 | | Portal 2
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| 5. | Portal 2 - The impossible room | 254 | | Portal 2
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| 6. | Portal 2 Beta - Sticky Gel (Adhesion / Wall-walking Gel) | 196 | | Portal 2
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| 7. | Portal: Alive & Kicking Demo | 167 | | Portal 2
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| 8. | Portal 2 VR - Sixense Features | 146 | | Portal 2
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| 9. | Portal 2 Educational Version - Now available for everyone | 146 | | Portal 2
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| 10. | Portal 2 Beta - Neurotoxin Generator | 114 | | Portal 2
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| 11. | Portal 2 - Wheatley humps Chell | 96 | | Portal 2
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| 12. | Sixense + Intel Creative Senz3D - Portal 2 Perceptual Pack | 89 | | Portal 2
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| 13. | Sixense TrueMotion Demonstration in Portal | 55 | | Portal 2
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| 14. | Portal 2 VR | 47 | | Portal 2
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| 15. | Portal 2 Sixense MotionPack DLC played with VALVᴱ Index (Source Mod) | 42 | | Portal 2
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| 16. | Portal 2 - Scalable Cube blocks the player | 35 | | Portal 2
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| 17. | Portal 2 Sixense STEM System + Oculus Rift | 31 | | Portal 2
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| 18. | Portal 2 - The Cubemap weapon | 27 | | Portal 2
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| 19. | Portal 2 - E3 2010 Demonstration "Environment" | 26 | | Portal 2
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| 20. | Portal 2 Community Edition - Remnants: Part One (blind) | 35 | | Portal 2
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| 21. | Portal 2 Multiplayer | 25 | | Portal 2
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| 22. | Portal 2 Community Edition Workshop - The Lab GLaDOS addon | 36 | | Portal 2
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| 23. | Portal 2 - Sixense MotionPack Co-op Course (1/6) with Juan | 22 | | Portal 2
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| 24. | Portal 2 Sixense MotionPack - Test Chamber 01 | 21 | | Portal 2
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| 25. | Portal 2 - "Ship Overboard" Achievement | 20 | | Portal 2
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| 26. | Portal 2 Sixense - "Obsolescence" by Coco | 23 | | Portal 2
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| 27. | Portal 2 - Stopping Potential (Possible Solution) | 19 | | Portal 2
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| 28. | Portal 2 gamescom 2010 Demonstration - Full HD (1080p) | 19 | | Portal 2
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| 29. | Blood in Portal 2 Community Edition | 24 | | Portal 2
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| 30. | Portal 2 - BP Magnets (Possible Solution) | 18 | | Portal 2
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| 31. | Portal 2: Eidolon - The Beginning | 18 | | Portal 2
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| 32. | Portal 2 - Pneumatic Diversity Vents love Companion Cubes | 16 | | Portal 2
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| 33. | Portal 2: Eidolon - Slanted Lasers | 16 | | Portal 2
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| 34. | Razer Hydra with Sixense TrueMotion | 15 | | Portal 2
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| 35. | Portal 2 - Pull the Rug with 0 Portals | 15 | | Portal 2
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| 36. | Portal 2 Sixense - Playing workshop maps! | 22 | | Portal 2
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| 37. | Portal 2 Sixense MotionPack - Test Chamber 05 | 15 | | Portal 2
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| 38. | Wibi!Data - Lobby + Test Chamber 01 | 11 | | Portal 2
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| 39. | Portal 2 - Antilles (Possible Solution) | 11 | | Portal 2
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| 40. | Portal 2: Eidolon - The End | 11 | | Portal 2
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| 41. | TARTΛROS SΘUL - Reflection Gel test | 11 | | Portal 2
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| 42. | Portal 2 - Propulsion Intro with 4 Portals (0:39.28 seconds) | 10 | | Portal 2
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| 43. | Portal 2 Sixense MotionPack - Advanced Test Chamber 06 | 10 | | Portal 2
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| 44. | Portal 2 - Sixense Motionpack Co-op Course (5/6) with Juan | 10 | | Portal 2
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| 45. | Portal 2 - Enrichment Sphere Starter Set | 10 | | Portal 2
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| 46. | Portal 2 Sixense MotionPack - Test Chamber 03 | 9 | | Portal 2
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| 47. | Portal 2 - Sixense MotionPack Co-op Course (6/6) with LilRobot | 7 | | Portal 2
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| 48. | Portal 2 - Chapter 7 Chamber 1 with 4 Portals | 7 | | Portal 2
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| 49. | Portal 2 Sixense MotionPack - Advanced Test Chamber 02 | 7 | | Portal 2
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| 50. | Portal 2 Sixense MotionPack - Test Chamber 04 | 7 | | Portal 2
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| 51. | Portal 2 - Reservations glitching | 7 | | Portal 2
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| 52. | Portal 2 Sixense MotionPack - Test Chamber 02 | 6 | | Portal 2
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| 53. | Portal 2 - Sixense MotionPack Co-op Course (3/6) with Juan | 6 | | Portal 2
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| 54. | Portal 2 Sixense MotionPack - Test Chamber 06 | 6 | | Portal 2
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| 55. | Portal 2 - Chapter 6 Chamber 2 with 6 Portals | 6 | | Portal 2
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| 56. | Portal 2 - How to break Test Chamber 07 | 6 | Guide | Portal 2
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| 57. | Portal 2 Sixense MotionPack - Advanced Test Chamber 01 | 6 | | Portal 2
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| 58. | Portal 2 - Sixense MotionPack Co-op Course (2/6) with Juan | 6 | | Portal 2
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| 59. | How to cheat in Portal 2 challenge mode | 5 | Guide | Portal 2
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| 60. | Portal 2 Sixense MotionPack - Advanced Test Chamber 04 | 5 | | Portal 2
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| 61. | Portal 2 - Sixense MotionPack Co-op Course (4/6) with Juan | 5 | | Portal 2
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| 62. | Portal 2 Sixense MotionPack - Advanced Test Chamber 03 | 4 | | Portal 2
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| 63. | gamescom 2010 - Entering Portal 2 Demo | 4 | | Portal 2
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| 64. | Portal 2 Sixense MotionPack - Test Chamber 07 | 3 | | Portal 2
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| 65. | Portal 2 Sixense MotionPack - Advanced Test Chamber 04 (2nd Solution) | 3 | | Portal 2
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| 66. | Portal 2 DLC - Pull the Rug with 2 Portals | 0 | | Portal 2
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| 67. | Portal 2 Sixense MotionPack - Advanced Test Chamber 05 | 0 | | Portal 2
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