Beat Portal's final challenge in one minute

Of course, those of you who have completed Portal would know that the above image is, in fact, a cake and not representative of the game's final challenge -- you'll find the enormous spoiler video contained safely after the break. Know that we do this not only for your safety, but ours. Angry spoilees would probably kill us. And tear us to pieces. And throw every piece into a fire.

This article was originally published on Joystiq.