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![](/img/b.png) | | time | views | |
![](https://i.ytimg.com/vi/0qcED35LL8I/default.jpg) | Aperture Investment Opportunity #1: "Panels" | 0:45 | 1,628,111 | |
![](https://i.ytimg.com/vi/APAcU3YBhYc/default.jpg) | Portal 2 TV Spot | 0:33 | 806,014 | |
![](https://i.ytimg.com/vi/JYsfhxnX-Zg/default.jpg) | Portal 2 Co-op Intro | 1:15 | 1,004,382 | |
![](https://i.ytimg.com/vi/w5I3VnCHWsU/default.jpg) | Valentine's Day Gift Buying | 1:44 | 1,627,862 | |
![](https://i.ytimg.com/vi/j1kccz1qziE/default.jpg) | Need a Sentry Here! | 1:13 | 3,601,385 | |
![](https://i.ytimg.com/vi/SvzjTbBCZTI/default.jpg) | "The Sacrifice" Teaser | 1:80 | 877,172 | |
![](https://i.ytimg.com/vi/A88YiZdXugA/default.jpg) | Portal 2 - Full Co-op Trailer | 1:57 | 2,326,872 | |
![](https://i.ytimg.com/vi/IaZ75vU112Q/default.jpg) | Repulsion Gel #2 | 1:59 | 663,323 | |
![](https://i.ytimg.com/vi/laxPhiDqTJA/default.jpg) | Aerial Faith Plate #2 | 1:35 | 462,904 | |
![](https://i.ytimg.com/vi/Mz0PvYiHjwE/default.jpg) | Wheatley Update | 3:41 | 672,119 | |
![](https://i.ytimg.com/vi/603izhzohos/default.jpg) | Alien Swarm | 1:10 | 1,025,950 | |
![](https://i.ytimg.com/vi/Pcf99_DZZew/default.jpg) | Propulsion Gel | 1:39 | 1,334,900 | |
![](https://i.ytimg.com/vi/a7V0HBwHfEw/default.jpg) | Repulsion Gel | 1:15 | 671,919 | |
![](https://i.ytimg.com/vi/DOH6BprN9FI/default.jpg) | Pneumatic Diversity Vent | 1:46 | 674,601 | |
![](https://i.ytimg.com/vi/yFRbGppLaUI/default.jpg) | Thermal Discouragement Beam | 1:54 | 587,411 | |
![](https://i.ytimg.com/vi/fE3B9uGnVlA/default.jpg) | Aerial Faith Plate | 0:50 | 531,947 | |
![](https://i.ytimg.com/vi/1oVpE40V9rE/default.jpg) | Excursion Funnel | 1:46 | 540,694 | |
![](https://i.ytimg.com/vi/tax4e4hBBZc/default.jpg) | Portal 2 Teaser Trailer | 0:59 | 3,929,311 | |
![](https://i.ytimg.com/vi/CeKeLDfj-hE/default.jpg) | Team Fortress 2 Now available on OS X | 0:48 | 1,161,925 | |
![](https://i.ytimg.com/vi/2zkLh_QMFdQ/default.jpg) | Half-Life 2 on OS X - Free Yourself | 0:35 | 441,465 | |
![](https://i.ytimg.com/vi/BDj1fYlwR00/default.jpg) | Portal is Free (Well, it was - now it's just a good deal). | 1:14 | 1,780,193 | |
![](https://i.ytimg.com/vi/2QRfAkdhgs4/default.jpg) | The Passing | 0:43 | 383,572 | |
![](https://i.ytimg.com/vi/CDLyImqvqVY/default.jpg) | Left 4 Dead 2 TV Spot No. 3 | 0:33 | 530,651 | |
![](https://i.ytimg.com/vi/8TAShfR77mQ/default.jpg) | Left 4 Dead TV Spot 2A | 0:32 | 245,319 | |
![](https://i.ytimg.com/vi/Wt2rGmUmm2A/default.jpg) | Second Left 4 Dead 2 TV Spot | 0:32 | 472,222 | |
![](https://i.ytimg.com/vi/fVtbLVPgGH4/default.jpg) | Left 4 Dead 2 Batter Up | 0:32 | 417,658 | |
![](https://i.ytimg.com/vi/Jz6FCFoL3k4/default.jpg) | L4D2 Teaser | 1:17 | 623,844 | |
![](https://i.ytimg.com/vi/OR4N5OhcY9s/default.jpg) | Meet the Spy | 3:20 | 12,313,275 | |
![](https://i.ytimg.com/vi/9NZDwZbyDus/default.jpg) | Meet the Sniper | 1:41 | 7,994,427 | is in 2 lists |
![](https://i.ytimg.com/vi/_prZ0JrbQrU/default.jpg) | Meet the Sandwich | 1:70 | 3,168,509 | |
![](https://i.ytimg.com/vi/geNMz0J9TEQ/default.jpg) | Meet the Scout | 1:35 | 8,536,915 | |
![](https://i.ytimg.com/vi/han3AfjH210/default.jpg) | Meet the Demoman | 1:46 | 6,070,123 | 1 list |
![](https://i.ytimg.com/vi/SNgNBsCI4EA/default.jpg) | Meet the Engineer | 1:27 | 5,529,055 | is in 2 lists |
![](https://i.ytimg.com/vi/h42d0WHRSck/default.jpg) | Meet the Soldier | 1:27 | 6,044,352 | 1 list |
![](https://i.ytimg.com/vi/jHgZh4GV9G0/default.jpg) | Meet the Heavy | 1:29 | 6,169,369 | 1 list |
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