Great Game
First, we'll start with the bad and get it out of the way. You can only choose one pistol, one submachine gun, and one un-concealable weapon (like a shotgun, sniper, or assault rifle). I agree with the one un-concealable weapon, but not the others. Also, unlike the previous game, once you take a melee weapon from a level, you cannot use it in the next levels. Also, despite enlarged levels and massive amounts of people, the graphics aren't anything too special.
Secondly comes the most important part: the good sides. In this game, most of the ability to customized 47's custom weapons adds greatly to the game. The game allows you to buy improvements to the weapons with the money that is earned through the missions. Also, the levels have grown somewhat larger and the amount of people per level has also been greatly increased.
This of course was a brief overview, and despite the minor setbacks it is still a great game. There are so many ways to complete a single mission that it keeps you interested. Put simply: a great game and must for Hitman lovers.