Also, the rich planet Earth is full of resources that are retrieved by the aliens in a brutal manner – they literally make the lands empty and the planet is dying slowly. Currently, their plans are pretty successful and they manage to enslave people to make them produce energy.
They are called Alliance and they are here to make a desert out of the blue planet we live on. The enemy is an entire civilization that came to Earth from the outer space. The title is about the alien invasion witnessed by the people of Earth.
Half Life must be one of your most favorite games, if you are an experienced player who values cool plots, amazing gameplay, advanced graphics, and stunning concepts.