Welcome to my Portal 2 walkthrough in 1080p HD! For best viewing quality, click the fullscreen button in the YouTube player, then select 1080p, or "original" for even better than 1080p.
First off, I try to follow Wheatley's instructions to grab my first portal gun, but a floor collapses below me. I eventually grab it, then I explain to viewers how to use it. This is only a "single" portal gun, not the dual one. In the next test chamber, I learn how to use the lovely weighted storage cubes. Can't get enough of those! Things get slightly more interesting in the next few chambers. We learn how important it is to strategically place blue portals when we are only allowed to create blue ones. We also learn how much momentum that objects can gain when passing through portals, and we use a movable shield in Chamber 5 to stop a cube from dropping into goo...
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