First things first: DONT LISTEN TO ALL THE NEGATIVE REVIEWS. They are far too biased.
Now to my review: this game is absolutely stunning. The game is beautiful, the exploration is everything I wanted. The story is excellent, and the only reason why people can't see that is because they don't pay attention to it because something happened that they don't like. Everything that happens in this game, happens for a reason and gets explained at some point. LITERALLY EVERYTHING. I hated some parts, only because my emotions attached me to them. But in hindsight, everything that happens in this gane fits perfectly with the story. Its an insanely intelligent storyline that you need to read the little details and really put yourself in the shoes of the character. The games graphics are the best I've ever seen. The combat is excellent, and there's even different difficulty settings for each aspect of the game (stealth, teammates, how much hp you or enemies have...etc..).
Its very reminiscent of the first game, which was already almost perfect in my eyes. And they just made this game even better.
Do me a favor, dont read the bad reviews. Did you enjoy the first one? Fantastic! Did you get emotionally attached to the game? Even better! Then go get this game and play it. Give it your all and understand it to the best of your abilities and you'll see exactly what I'm talking about. This game is phenomenal on so many levels. I give it a solid 9.5/10. One of the best games I've EVER played. (And thats coming from someone who lives their life to play games)
Its worth every second.