Those lucky enough to see the full Bioshock Infinite demo behind-closed-doors earlier this year would have been treated to one of the most exciting showings of a videogame in recent years, save for the game’s initial reveal last year.

Now that E3 2011 is done and dusted, Irrational Games has seen it fit to release that gameplay demo in video form in its entirety, with Ken Levine and GameTrailers TV’s Geoff Keighley discussing the contents of this incredible first-person action game in depth.

Absolutely, definitely not to be missed ‒ watch the full 20-minute episode of GTTV featuring Bioshock Infinite now:

Bioshock Infinite ‒ Full GTTV Reveal

Tags: bioshockinfinite, developerinterview, irrationalgames, kenlevine, trailer