You are Part of Alpha Team, A highly Trained group that know how to kill the Infection. The Infection has Escaped from the Lab and Infected the Air Purifier Factory. The VirusDesroyed the Factory so Alpha Team was called into Action after Fighting the Infection back at Base. Unknowing too the Team that they have some Factory workers that will help them kill the infection but they Start growing into larger numbers killing the workers. You are surprised that you arent infected by the Virus but you learn that your mask is protecting you from the Virus making you survive the Apocalypes. The weapons are mostly Assault rifles but there are DMRs, Grenade Launchers, Plasma Repeater and Spiker and a Magnum.