I have to criticize that the scope of the single player mode is just too tight. There are 6 locations (Mexico, 4 times Las Vegas, Nevada dam) which are to be made in each case 1.5 to 2 hours. One creates the story in about 10 hours of play time. Then comes nothing new. You can then play again at most in multiplayer mode or at a higher level of difficulty to play ...
The game will then stop almost right in the story with "To Be Continued ..." to. Also not really satisfying.
Pretty stupid, I also think that one creates the most points by simply sending his companions before. Thus, the game loses its substance. Especially in the high degree of difficulty that is even better strategy because it is killed with a few meetings, the teammates, however, usually can be healed from cover. So you just send before his comrades, waiting until all enemies are dead and on it goes ... The tactic works well at about 75% of the scenes. Where it does not work so well, you can just send his comrades slowly from cover to cover, and off we go again. That can not be real. In addition, opponents rarely come from behind or from areas where they did not expect. This already takes the game some tension.
I also find the degree of difficulty a little unbalanced. 95% of the scenes you create in the normal difficulty setting with 1 to 4 attempts. There are then but 4 to 5 places where you need 25 starts and where it actually arrives on luck whether you manage. This could be balanced.
Although all this may sound rather negative ... the atmosphere is simply amazing and I would recommend anyone to buy the game, despite the small size and various shortcomings. The individual levels are made very spectacular and you will also not extent to the detriment of quality ... Each like the demo will be delighted with the full version.
My tip: play from the start in difficulty "realistic" play ... Then the game time draws something in the length and maybe you get to 15 to 20 hours.