It's basically Metro 2033 2. Enjoy:
Metro Last Light E3 2011 Teaser Trailer [HD] (http://www.youtube.com/watch?v=hkJBu42HoAQ#ws)
That be epic if Kahn made a apperance again.
Can't wait
Metro: Last Light Opinion (http://www.youtube.com/watch?v=zmUOA8gPS_U#)
( I'm just kidding, don't take it seriously. )
I heard something on the line of Multiplayer!! ;D