Portal: No Escape Fan Film
Portal: No Escape (Live Action Short Film by Dan Trachtenberg)
Pretty well done and interesting Portal video. Somewhat old, but apparently I never posted it, so here we go =)
Starring Danielle Rayne, who apparently “Holds a machine gun permit to operate an M-16 with the Dept. of Justice for the state of California.”
Some more stuff after the jump:
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New Portal 2 Coop trailer
Portal 2 Pneumatic Diversity Vent and other videos
Hey look, I actually posted something!
More Portal 2 vids from Valve. Games looks really neat, lots of new toys, a portal gun that sucks things into the portal, taking the companion cube with you, my only problem is I worry I might be terrible at this game if the platforming gets too intense =D
Pneumatic Diversity Vent

Thermal Discouragement Beam

Propulsion Gel

Older but still worth a look:
Portal is Free (Well, it was – now it’s just a good deal).

Portal 2 Teaser Trailer

Even More Portal 2 Videos
New Portal 2 Video
I am incredibly excited for the new Portal game, and it looks like Valve is going to continue it’s trend of teasing us mercilessly with sneak previews.
***EDIT***
Valve removed the original video from Youtube because the voice actor changed, fortunately I’m OCD about keeping copies of things =D Updated video and explanations here:
http://www.amused-geeks.com/2010/09/10/portal-2-wheatley-gets-a-new-voice-old-video-disappears/