Originally Posted by ratbastid

My (most recent) favorite moment in gaming: (Don't read if you haven't played level 17 of Portal yet) Spoiler: Euthenizing my Weighted Companion Cube

That whole game is amazingly well done, but that particular moment is SO great. It manipulates you into this place of superstitious emotional attachment, and then rips that away from you, all coldly in the name of testing your response. Portal may be the single most brilliantly written game I've ever played.