Bioshock Infinite was the big hit at this year’s E3, but the closed door demo kept many fans in the dark wondering what got the media whipped up in such a frenzy.  As we mentioned last week, the full 15 minute demonstration debuted on Spike TV and is now available for consumption on the interwebs.  Prepare to be stunned.  Prepare to be amazed.  Prepare to scrape your chin off the floor.  This game is sick. [via Game Trailers