The game is based on a series of graphic novels by Enki Bilal.
Here is AG's
game info page. (scroll down to see the news item about the N. American publishing deal)
We also had a three-part article on a visit to the White Bird studios and in one of those, we talked a bit about Nikopol.
Part One
Part Two (I think it's talked about here)
Part Three
There isn't an official website that I know of yet.