Following the release of the PC version ofand the Xbox Live Arcade version of, developer Remedy has confirmed that the franchise has seen over 2 million units sold.Oskari Hakkinen, Remedy's head of franchise development, told Gamasutra that this is units sold through, rather than shipped, and that this figure includes all Xbox and PC sales, both digital and retail.Hakkinen added that, which launched last month, has sold "exceptionally well on Xbox Live Arcade."Remedy previously revealed that the PC version of, released last month, managed to recoup its development and marketing expenses during the first 48 hours on sale.