XCOM: Enemy Unknown
XCOM: Enemy Unknown offers good gaming experience with nice graphics and gameplay. Once again, you have to save the Earth from an unknown enemy, which threatens to destroy it. The governments unite to form an elite paramilitary organization, known as XCOM.
As a commander of XCOM, you have to build 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 their last hope.