Basically it is a mod to the theme of 28 days (extermination), where besides survive the hordes of infected, we have to search for weapons, ammunition, medicine, and safe transportation. This mode is played with only the Independent and the PVP side is not used by everyone are the same team, but if they can fight other survivors that make the computer depending on whether or not to attack you (is better not kill them, if they are friends give them weapons and ammunition). The mod brings its own default settings that are few vehicles, weapons and all inical l map randomly, although you can set when you create the server. It is the most perfect and stable infected zombie mod, I added the game folder as named MPmisions Arma2free all mods (good for full versions).
works at arma 2 free