ARMA 2: Operation Arrowhead is a stand-alone expansion to ARMA 2. Players will be able to play as members of the United States Army in a fictional region of west-Asia named Takistan, where the terrain is based on Afghanistan. Operation Arrowhead will include three new maps, a variety of new units, vehicles and equipment, as well as the eponymous campaign. Among the new units are a new array of US army personel and vehicles, Czech forces and German KSK units. UN peacekeepers are also present as an independent faction. The expansion will be standalone, meaning it can be run without the content in the original ARMA 2, but players who purchased ARMA 2 will also be able to integrate that content into Operation Arrowhead. The developers plan on releasing some of the core changes introduced in Operation Arrowhead (such as performance optimizations) as patches, allowing regular ARMA 2 players to access to any engine improvements introduced in the expansion. New content, however, will remain exclusive to Operation Arrowhead.

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• The CD-Key is unused and unbanned, it will let you play on the online servers.
• This CD-Key is NOT for Steam, it's for the standard PC DVD version found in any gaming stores (i.e. you need the game already installed to activate the CD-Key).
• The CD-Key is for the English version of the game.