This is a game engine developed to Half-Life, which the weapon is very retro, like an ax, knife, single shot rifles, shotguns, revolvers, of course, there! ! Start with them very easily, but playing for a long time and you will be attracted by the unique weapon system inside and western plot, it can be said that FOF and TF2 these two games is simply the industry's conscience free! ! ! ! ! ! I know you want to know the view of the evaluation is the game worth the download starting half an hour to play, in a word, you download this game will know how much charm!