ArmA 2,ArmA 2 British Armed Forces, ArmA 2 Operation Arrowhead, ArmA 2 Private Military Company, ArmA 2: Army of the Czech Republic Everything you need for the DayZ Mod* and more. Built upon over 10 years’ experience, the collection thrusts gamers into the heart of the most realistic military combat simulation ever developed, featuring cutting edge technology and vast, detailed environments and authentically modeled units, weapons and vehicles. For one price you receive 6 campaigns and countless single player and multiplayer scenarios spread across hundreds of square kilometers of Chernarus and Takistan maps.