| 1. | PA's Perpetual Testing #92 - Beating Expectations [Portal 2] | 15,497 | Let's Play | Portal 2
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| 2. | PA's Perpetual Testing #1 - Return to the Multiverse [Portal 2] | 775 | Let's Play | Portal 2
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| 3. | PA's Perpetual Testing #99 - New Toys [Portal 2] | 521 | Let's Play | Portal 2
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| 4. | PA's Perpetual Testing #24 - Hype Train [Portal 2] | 402 | Let's Play | Portal 2
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| 5. | PA's Perpetual Testing #2 - Backup Plans [Portal 2] | 337 | Let's Play | Portal 2
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| 6. | PA's Perpetual Testing #110 - I Broke Portal 2 [Portal 2] | 319 | Let's Play | Portal 2
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| 7. | PA's Perpetual Testing #106 - Be[e]lieve it [Portal 2] | 260 | Let's Play | Portal 2
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| 8. | PA's Perpetual Testing #4 - Movement Discouragement Fields [Portal 2] | 255 | Let's Play | Portal 2
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| 9. | PA's Perpetual Testing #3 - Ponderous Ascent [Portal 2] | 253 | Let's Play | Portal 2
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| 10. | PA's Perpetual Testing #6 - Design Balance [Portal 2] | 246 | Let's Play | Portal 2
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| 11. | PA's Perpetual Testing #102 - Water != Gel [Portal 2] | 243 | Let's Play | Portal 2
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| 12. | PA's Perpetual Testing #100 - Viewer Appreciation Station [Portal 2] | 238 | Let's Play | Portal 2
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| 13. | PA's Perpetual Testing #103 - Cleanse Cleanup [Portal 2] | 228 | Let's Play | Portal 2
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| 14. | PA's Perpetual Testing #12 - Laser Transit System [Portal 2] | 221 | Let's Play | Portal 2
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| 15. | PA's Perpetual Testing #82 - Unwinnable by Design [Portal 2] | 213 | Let's Play | Portal 2
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| 16. | PA's Perpetual Testing #5 - Like an eagle [Portal 2] | 213 | Let's Play | Portal 2
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| 17. | PA's Perpetual Testing #121 - On Tilt [Portal 2] | 190 | Let's Play | Portal 2
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| 18. | PA's Perpetual Testing #9 - Don't Make Multiverses [Portal 2] | 184 | Let's Play | Portal 2
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| 19. | PA's Perpetual Testing #113 - Jump Around [Portal 2] | 179 | Let's Play | Portal 2
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| 20. | PA's Perpetual Testing #19 - To the Moon [Portal 2] | 174 | Let's Play | Portal 2
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| 21. | PA's Perpetual Testing #49 - I play it for the Plot [Portal 2] | 174 | Let's Play | Portal 2
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| 22. | PA's Perpetual Testing #7 - Quantum Headache [Portal 2] | 172 | Let's Play | Portal 2
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| 23. | PA's Perpetual Testing #96 - Variations on Themes [Portal 2] | 165 | Let's Play | Portal 2
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| 24. | PA's Perpetual Testing #105 - The Future is now on fire [Portal 2] | 163 | Let's Play | Portal 2
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| 25. | PA's Perpetual Testing #13 - The Only Limit [Portal 2] | 163 | Let's Play | Portal 2
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| 26. | PA's Perpetual Testing #10 - Cube Tipping [Portal 2] | 161 | Let's Play | Portal 2
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| 27. | PA's Perpetual Testing #95 - Deja Vu [Portal 2] | 158 | Let's Play | Portal 2
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| 28. | PA's Perpetual Testing #14 [Backup #2] - Unforseen Circumstances [Portal 2] | 155 | Let's Play | Portal 2
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| 29. | PA's Perpetual Testing #8 - Hasty Scrutiny [Portal 2] | 155 | Let's Play | Portal 2
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| 30. | PA's Perpetual Testing #21 - Geometry's Day Off [Portal 2] | 154 | Let's Play | Portal 2
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| 31. | PA's Perpetual Testing #25 - One Man, One Room, Two Cubes [Portal 2] | 147 | Let's Play | Portal 2
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| 32. | PA's Perpetual Testing #111 - Composure Regained [Portal 2] | 145 | Let's Play | Portal 2
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| 33. | PA's Perpetual Testing #28 - Frustration [Portal 2] | 145 | Let's Play | Portal 2
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| 34. | PA's Perpetual Testing #108 - Sleep Deprivation Station [Portal 2] | 144 | Let's Play | Portal 2
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| 35. | PA's Perpetual Testing [Original #1] - Intro to the Multiverse | 141 | | Portal 2
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| 36. | PA's Perpetual Testing #17 - Time to go outside [Portal 2] | 141 | Let's Play | Portal 2
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| 37. | PA's Perpetual Testing #130 - PIXEL Imperfect [Portal 2] | 139 | Let's Play | Portal 2
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| 38. | PA's Perpetual Testing #23 - Gaseous Diversification Tubes [Portal 2] | 137 | Let's Play | Portal 2
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| 39. | PA's Perpetual Testing #151 - Cannons for the New Year [Portal 2] | 136 | Let's Play | Portal 2
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| 40. | PA's Perpetual Testing #39 - Galileo's Nightmare [Portal 2] | 134 | Let's Play | Portal 2
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| 41. | PA's Perpetual Testing #15 - Taking Time [Portal 2] | 132 | Let's Play | Portal 2
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| 42. | PA's Perpetual Testing #40 - 7 Step Program [Portal 2] | 131 | Let's Play | Portal 2
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| 43. | PA's Perpetual Testing #18 - Penrose Gates [Portal 2] | 129 | Let's Play | Portal 2
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| 44. | PA's Perpetual Testing #11 - Curiously Quick [Portal 2] | 129 | Let's Play | Portal 2
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| 45. | PA's Perpetual Testing #26 - Worse than Wheatley [Portal 2] | 128 | Let's Play | Portal 2
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| 46. | PA's Perpetual Testing #22 - Shifting Rooms [Portal 2] | 128 | Let's Play | Portal 2
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| 47. | PA's Perpetual Testing #112 - A Lack of Subtlety [Portal 2] | 125 | Let's Play | Portal 2
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| 48. | PA's Perpetual Testing #136 - The Hiatus Ends [Portal 2] | 124 | Let's Play | Portal 2
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| 49. | PA's Perpetual Testing #27 - Ups and Downs [Portal 2] | 122 | Let's Play | Portal 2
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| 50. | PA's Perpetual Testing #142 - The Multiverse Beckons [Portal 2] | 122 | Let's Play | Portal 2
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| 51. | PA's Perpetual Testing #104 - I'm here to save the Future [Portal 2] | 119 | Let's Play | Portal 2
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| 52. | PA's Perpetual Testing #30 - Bitter Revenge [Portal 2] | 119 | Let's Play | Portal 2
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| 53. | PA's Perpetual Testing #124 - Forgotten Falls [Portal 2] | 118 | Let's Play | Portal 2
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| 54. | PA's Perpetual Testing #16 - Neither Searching nor Reversing [Portal 2] | 117 | Let's Play | Portal 2
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| 55. | PA's Perpetual Testing #138 - Caged Once More [Portal 2] | 117 | Let's Play | Portal 2
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| 56. | PA's Perpetual Testing #135 - Unreliable Bounce [Portal 2] | 116 | Let's Play | Portal 2
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| 57. | PA's Perpetual Testing #97 - Back Again [Portal 2] | 115 | Let's Play | Portal 2
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| 58. | PA's Perpetual Testing #20 - Concept Map Menagerie [Portal 2] | 114 | Let's Play | Portal 2
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| 59. | PA's Perpetual Testing #134 - Storming the Castle [Portal 2] | 110 | Let's Play | Portal 2
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| 60. | PA's Perpetual Testing #101 - The More You Know [Portal 2] | 110 | Let's Play | Portal 2
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| 61. | PA's Perpetual Testing #127 - DeLasered [Portal 2] | 110 | Let's Play | Portal 2
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| 62. | PA's Perpetual Testing #32 - There and Back and There again [Portal 2] | 110 | Let's Play | Portal 2
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| 63. | PA's Perpetual Testing #57 - Time Permuting [Portal 2] | 108 | Let's Play | Portal 2
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| 64. | PA's Perpetual Testing #120 - Lasers Repeating [Portal 2] | 108 | Let's Play | Portal 2
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| 65. | PA's Perpetual Testing #137 - Sandwiches make for buggy testing [Portal 2] | 107 | Let's Play | Portal 2
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| 66. | PA's Perpetual Testing #91 - Abuzz with excitement [Portal 2] | 105 | Let's Play | Portal 2
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| 67. | PA's Perpetual Testing #98 - Repulsion Path [Portal 2] | 105 | Let's Play | Portal 2
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| 68. | PA's Perpetual Testing #123 - Painopticon [Portal 2] | 104 | Let's Play | Portal 2
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| 69. | PA's Perpetual Testing #31 - Bending Light [Portal 2] | 102 | Let's Play | Portal 2
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| 70. | PA's Perpetual Testing #115 - Many Turrets but Few Ideas [Portal 2] | 102 | Let's Play | Portal 2
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| 71. | PA's Perpetual Testing #29 [Backup #3] - Vertical Climb [Portal 2] | 102 | Let's Play | Portal 2
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| 72. | PA's Perpetual Testing #93 - Talk Time [Portal 2] | 101 | Let's Play | Portal 2
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| 73. | PA's Perpetual Testing #150 - Merry Christmas is a Brand New Map [Portal 2] | 99 | Let's Play | Portal 2
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| 74. | PA's Perpetual Testing #37 - Laserious Business [Portal 2] | 98 | Let's Play | Portal 2
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| 75. | PA's Perpetual Testing #35 - Unstuck [Portal 2] | 98 | Let's Play | Portal 2
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| 76. | PA's Perpetual Testing #36 - White Walls, Short Falls [Portal 2] | 97 | Let's Play | Portal 2
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| 77. | PA's Perpetual Testing #133 - Pixel by Pixel improvement [Portal 2] | 96 | Let's Play | Portal 2
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| 78. | PA's Perpetual Testing #125 - Not So Simple [Portal 2] | 96 | Let's Play | Portal 2
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| 79. | PA's Perpetual Testing #126 - Jim Broke Portal 2 [Portal 2] | 96 | Let's Play | Portal 2
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| 80. | PA's Perpetual Testing #149 - Small Puzzles and Large Fans [Portal 2] | 95 | Let's Play | Portal 2
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| 81. | PA's Perpetual Testing #38 - Breaking Point [Portal 2] | 95 | Let's Play | Portal 2
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| 82. | PA's Perpetual Testing #131 - PA is still Alive [Portal 2] | 94 | Let's Play | Portal 2
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| 83. | PA's Perpetual Testing #94 - Old Vs New [Portal 2] | 94 | Let's Play | Portal 2
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| 84. | PA's Perpetual Testing #48 - Novelty Letdown [Portal 2] | 93 | Let's Play | Portal 2
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| 85. | PA's Perpetual Testing #118 - Evening Disorientation [Portal 2] | 93 | Let's Play | Portal 2
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| 86. | PA's Perpetual Testing #119 - In which there is a Montage [Portal 2] | 93 | Let's Play | Portal 2
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| 87. | PA's Perpetual Testing #41 - Unforseen Ingenuity [Portal 2] | 93 | Let's Play | Portal 2
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| 88. | PA's Perpetual Testing #86 - Fastest Map Yet [Portal 2] | 92 | Let's Play | Portal 2
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| 89. | PA's Perpetual Testing #116 - Back to the Cube [Portal 2] | 90 | Let's Play | Portal 2
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| 90. | PA's Perpetual Testing #128 - Old Acquaintances [Portal 2] | 90 | Let's Play | Portal 2
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| 91. | PA's Perpetual Testing #72 - Four Distinct Cubes [Portal 2] | 89 | Let's Play | Portal 2
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| 92. | PA's Perpetual Testing #64 - Deja Vu [Portal 2] | 89 | Let's Play | Portal 2
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| 93. | PA's Perpetual Testing #50 - A Nice Round Number [Portal 2] | 88 | Let's Play | Portal 2
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| 94. | PA's Perpetual Testing #109 - The Gauntlet [Portal 2] | 87 | Let's Play | Portal 2
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| 95. | PA's Perpetual Testing #65 - Small Errors [Portal 2] | 87 | Let's Play | Portal 2
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| 96. | PA's Perpetual Testing #143 - Usefull Testing [Portal 2] | 87 | Let's Play | Portal 2
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| 97. | PA's Perpetual Testing #67 - Cube of Cubes [Portal 2] | 86 | Let's Play | Portal 2
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| 98. | PA's Perpetual Testing #70 - Brevity in Levity [Portal 2] | 86 | Let's Play | Portal 2
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| 99. | PA's Perpetual Testing #76 - Building Momentum [Portal 2] | 86 | Let's Play | Portal 2
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| 100. | PA's Perpetual Testing #56 - Robot Races [Portal 2] | 85 | Let's Play | Portal 2
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