Looks like a good few ideas just mashed together to me. Im into Zombie games but never liked anything like this. I remember playing one on the PS1 called Alone in the Dark... was ok and I did s**t myself but just not my cup of tea.
I never see the point in trailers like these or artist impressions or stills of what a game is going to be like, pictures and stills and actual video like that do not show the physics of the game play or frame rate or anything..
That trailer looked like Saw I,II,III,IV,V, Hostel I and II and a million other gore films ive seen all mashed into one
..a term often used to describe incredible drunkeness. normally used in retrospect however in some prolonged cases of intoxication subjects have been found to admit to being "banjaxed."