SquareGo writes:
"ArmA 2: Operation Arrowhead is the first expansion pack to the original game. It contains all new content surrounding a new campaign, which doesn't require the original ArmA 2 game to play. Though it is an expansion, rather than a straight up sequel, it feels like a full stand alone expansion rather than the ones which seem a bit half hearted. It also still one of the most realistic military simulators out there."
4/5
Update
Without typo.
"ArmA 2: Operation Arrowhead is the first expansion pack to the original game. It contains all new content surrounding a new campaign, which doesn't require the original ArmA 2 game to play. Though it is an expansion, rather than a straight up sequel, it feels like a full stand alone expansion rather than the ones which seem a bit half hearted. It's also still one of the most realistic military simulators out there."
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