By 2020, the world will be on the brink of total destruction. An alien race called Hydra has besieged the Earth, their goal is to completely exterminate their ?si enemy, the Ghi, an alien race that has found refuge on Earth. Humanity finds itself in a war between two alien races, where it must fight for mere survival. The players have to weave strategic plans that span the entire world, they have to fight not only the hydra armies, but also mass hysteria and famine. They need to buy time so that Dr. Cronos can develop the weapon that will give them a chance to defeat the aliens.

English edition.