Strategy lovers on Apple's iOS platform will be able to try their hands at saving the earth from alien invaders, as 2K Games and Firaxis have announced a full port of XCOM: Enemy Unknown for iPads, iPhones, and iPods. The news came Saturday at PAX East, along with an official date for the Mac port's arrival. XCOM's developers made sure to point out that this will not be a limited port of the top-selling strategy title.