A game with a very good shelf life. I happen to play there again. The cooperative style survival horror game is very well done, with humor, good sound environment etc ... Graphically, the graphics engine of Half Life 2, which is quite correct even if it is far of BF3 and company. But the rub is that there 'Left 4 Dead 2 Left 4 Dead, who gets 1 but by putting weapons and monsters of 2 ... that's why I do not put it 5 stars because we expected Developers content for the first installment (they had promised ...). Instead they released the two, a year later at full price ...