This expansion pack to 2009's ARMA 2 features a standalone plot and setting and does not require installing the original game. Operation Arrowhead is set in an alternative 2012 in Takistan, a made-up mountainous Asian country reminiscent of Afghanistan. The protagonists are the NATO forces consisting of American, Czech and German military. Their mission is to overthrow the corrupt regime of colonel Muhammad Aziz and to protect neighboring (equally fictional) Karzeghistan from a Tatkistani invas...