| 1. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Time - 2:10) | 0 | Walkthrough | Portal
|
| 2. | Portal Advanced Walkthrough Fling out takes Vol 3: Test Chamber 17-18 | 0 | Walkthrough | Portal
|
| 3. | Perspective Walkthrough - Part 6 - Broken Wall | 0 | Walkthrough | Portal
|
| 4. | Portal Challenge Walkthrough Fling out takes Vol 3: Test Chamber 15-16 | 0 | Walkthrough | Portal
|
| 5. | Portal Walkthrough - Part 7 - Timing and Vomiting | 0 | Walkthrough | Portal
|
| 6. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Steps - 215 Steps) | 0 | Walkthrough | Portal
|
| 7. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Time - 0:50) | 0 | Walkthrough | Portal
|
| 8. | Portal Challenge Walkthrough Fling out takes Vol 2: Test Chamber 14-15 | 0 | Walkthrough | Portal
|
| 9. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 15 - Time is Cruel | 0 | | Portal
|
| 10. | NetMoverSitan Plays - Cradle - Part 7: Ancestral Update | 0 | | Portal
|
| 11. | Portal Challenge Walkthrough Fling out takes Vol 1: Test Chamber 13 | 0 | Walkthrough | Portal
|
| 12. | Portal Walkthrough Fling out takes Vol 2: Parts 8-10 | 0 | Walkthrough | Portal
|
| 13. | NetMoverSitan Plays: ReThink | Evolved 2 - Part 5: Binary Illogic | 0 | | Portal
|
| 14. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Portals - 23 Portals) | 1 | Walkthrough | Portal
|
| 15. | Portal Walkthrough Fling out takes Vol 1: Parts 4-7 | 1 | Walkthrough | Portal
|
| 16. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Portals - 6 Portals) | 1 | Walkthrough | Portal
|
| 17. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Time - 0:40) | 1 | Walkthrough | Portal
|
| 18. | Portal Walkthrough - Part 2 - The Changing Line | 1 | Walkthrough | Portal
|
| 19. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Steps - 70 Steps) | 1 | Walkthrough | Portal
|
| 20. | Portal Challenge Walkthrough Fling out takes Vol 5: Test Chamber 17 | 1 | Walkthrough | Portal
|
| 21. | Portal Challenge Walkthrough Fling out takes Vol 6: Test Chamber 17 Part 2 | 1 | Walkthrough | Portal
|
| 22. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Steps - 175 Steps) | 1 | Walkthrough | Portal
|
| 23. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 8 - Vertical Problems | 1 | | Portal
|
| 24. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Time - 2:20) | 1 | Walkthrough | Portal
|
| 25. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Time - 1:45) | 1 | Walkthrough | Portal
|
| 26. | Portal Walkthrough - Part 6 - Uphill Flinging | 1 | Walkthrough | Portal
|
| 27. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 13 - Overture Barrier | 1 | | Portal
|
| 28. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 14 - Overture Encore | 1 | | Portal
|
| 29. | Portal Challenge Walkthrough Fling out takes Vol 7: Test Chamber 18 | 1 | Walkthrough | Portal
|
| 30. | Portal Challenge Walkthrough Fling out takes Vol 4: Test Chamber 16 Part 2 | 1 | Walkthrough | Portal
|
| 31. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 3 - Flights of Doors | 1 | | Portal
|
| 32. | Portal Walkthrough - Part 5 - The Shielding Cube | 1 | Walkthrough | Portal
|
| 33. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 6 - Ball Tricks | 1 | | Portal
|
| 34. | Q.U.B.E. Walkthrough - Part 8 | 1 | Walkthrough | Portal
|
| 35. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Time - 0:20) | 1 | Walkthrough | Portal
|
| 36. | Portal Challenge Walkthrough Fling out takes Vol 8: Test Chamber 18 Part 2 | 1 | Walkthrough | Portal
|
| 37. | NetMoverSitan Plays - .T.E.S.T: Expected Behaviour - Part 12 - Duality Solution | 1 | | Portal
|
| 38. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Steps - 150 Steps) | 1 | Walkthrough | Portal
|
| 39. | Portal Walkthrough - Part 10 - Destroyer of Barriers | 1 | Walkthrough | Portal
|
| 40. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Portals - 2 Portals) | 1 | Walkthrough | Portal
|
| 41. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Time - 0:10) | 1 | Walkthrough | Portal
|
| 42. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Time - 0:54) | 1 | Walkthrough | Portal
|
| 43. | Portal Walkthrough - Part 4 - You're Live Fired | 1 | Walkthrough | Portal
|
| 44. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Time - 1:00) | 1 | Walkthrough | Portal
|
| 45. | Portal Walkthrough - Part 3 - Helpful Momentum | 2 | Let's Play | Portal
|
| 46. | Portal Advanced Walkthrough Fling out takes Vol 1: Test Chambers 13-15 | 2 | Walkthrough | Portal
|
| 47. | Portal Walkthrough - Part 9 - Deadly Pistons | 2 | Walkthrough | Portal
|
| 48. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Portals - 21 Portals) | 2 | Walkthrough | Portal
|
| 49. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Portals - 25 Portals) | 2 | Walkthrough | Portal
|
| 50. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Steps - 75 Steps) | 2 | Walkthrough | Portal
|
| 51. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Steps - 55 Steps) | 2 | Walkthrough | Portal
|
| 52. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Time - 0:30) | 2 | Walkthrough | Portal
|
| 53. | Q.U.B.E. Walkthrough - Part 4 | 2 | Walkthrough | Portal
|
| 54. | Portal Challenge Walkthrough Fling out takes Vol 9: Test Chamber 18 Part 3 | 2 | Walkthrough | Portal
|
| 55. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Steps - 55 Steps) | 3 | Walkthrough | Portal
|
| 56. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Time - 1:10) | 3 | Walkthrough | Portal
|
| 57. | Portal Walkthrough - Part 11 - The Turret Chamber | 3 | Walkthrough | Portal
|
| 58. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Portals - 4 Portals) | 3 | Walkthrough | Portal
|
| 59. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Steps - 20 Steps) | 3 | Walkthrough | Portal
|
| 60. | Portal Walkthrough - Part 12 - GLaDOS | 3 | Walkthrough | Portal
|
| 61. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Portals - 30 Portals) | 3 | Walkthrough | Portal
|
| 62. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Time - 1:13) | 3 | Walkthrough | Portal
|
| 63. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Portals - 9 Portals) | 3 | Walkthrough | Portal
|
| 64. | Portal Walkthrough - Part 1 - Between Two Points | 3 | Walkthrough | Portal
|
| 65. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Portals - 4 Portals) | 3 | Walkthrough | Portal
|
| 66. | Portal Walkthrough - Part 8 - The Final Test | 3 | Walkthrough | Portal
|
| 67. | Portal Advanced Walkthrough Fling out takes Vol 2: Test Chamber 16 | 4 | Walkthrough | Portal
|
| 68. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Time - 1:45) | 4 | Walkthrough | Portal
|
| 69. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Time - 0:52) | 4 | Walkthrough | Portal
|
| 70. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Time - 0:19) | 5 | Walkthrough | Portal
|
| 71. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 17 Part 2 | 6 | Walkthrough | Portal
|
| 72. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 15 Part 2 | 6 | Walkthrough | Portal
|
| 73. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 15 (Least Portals - 14 Portals) | 7 | Walkthrough | Portal
|
| 74. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 16 (Least Steps - 40 Steps) | 7 | Walkthrough | Portal
|
| 75. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Steps - 30 Steps) | 8 | Walkthrough | Portal
|
| 76. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Time - 1:27) | 8 | Walkthrough | Portal
|
| 77. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Steps - 85 Steps) | 9 | Walkthrough | Portal
|
| 78. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 14 | 9 | Walkthrough | Portal
|
| 79. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Portals - 5 Portals) | 9 | Walkthrough | Portal
|
| 80. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 17 | 10 | Walkthrough | Portal
|
| 81. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 16 | 12 | Walkthrough | Portal
|
| 82. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Portals - 7 Portals) | 12 | Walkthrough | Portal
|
| 83. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 17 (Least Steps - 150 Steps) | 14 | Walkthrough | Portal
|
| 84. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 18 | 15 | Walkthrough | Portal
|
| 85. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 13 | 18 | Walkthrough | Portal
|
| 86. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 14 (Least Steps - 10 Steps) | 20 | Walkthrough | Portal
|
| 87. | Portal Walkthrough - The Advanced Test Chambers - Test Chamber 15 | 20 | Walkthrough | Portal
|
| 88. | Portal Walkthrough - The Challenge Test Chambers - Test Chamber 13 (Least Steps - 10 Steps) | 26 | Walkthrough | Portal
|
