I'm Being So Sincere Right Now

Portal is one of the most ingenious and innovative games I've played. If you have the slightest inclination to play it, I'd suggest you go do so instead of watching this video.

If you're unlikely to play through it, then you really ought to watch the credits. They're sung by the demented computer that pesters you the whole game.

Believe me, I am still alive. I'm doing science, and I'm still alive. ... When you're dead, I will be still alive.