The popular iOS gameXCOM: Enemy Unknownis available at a special price through Monday, Dec. 2. The universal game, which launched in June, is now $9.99, or 50 percent off its normal price.
Created by 2K Games, XCOM: Enemy Unknown is described as follows:
Threatened by an unknown enemy, Earths governments unite to form an elite paramilitary organization, known as XCOM. As the commander of XCOM, you must create a fully operational base, research alien technologies, plan combat missions, and lead your soldiers in fierce battles against a terrifying alien invasion. The decisions you make will affect the fate of humanity. You are our last hope.