The story of begins in the year 2015 as Earth faces an unprecedented extraterrestrial incursion. You take command of XCOM—an elite, secret paramilitary organization funded by a "Council of Nations" as the planet's first and last line of defense. The Descent into Chaos
On the battlefield, you lead a Quick Reaction Force (QRF) of soldiers through lethal, turn-based missions. Combat is highly tactical, requiring the use of cover and specialized abilities as your soldiers gain experience and rank up. Scientific Breakthroughs XCOM Enemy Unknown [Jtag/RGH]
As the invasion unfolds, your role is split between managing global panic and commanding tactical squads on the ground. You must launch satellites to provide coverage and funding from member nations; failing to protect them leads to rising panic levels and the eventual withdrawal of funding, which can trigger a "Game Over". The story of begins in the year 2015