The End of the World RPG - Alien Invasion - Rules of Play says:
Massive, gleaming saucers appear over Earth’s major cities. The secret Illuminati that has ruled the world since time immemorial emerges to make its ultimate powerplay. Your own friends and loved ones suddenly seem… not quite right. No matter what weird or terrifying events are occuring, it’s plain to see that we are not as alone as we once thought. Earth has become the center of an Alien Invasion!