The Great Restoration has reunited the three splinters of Spherus Magna. The Great Collapse has brought ruin to the Matoran Universe, leaving its biomechanical denizens with nowhere else to go but Spherus Magna. Cultures now collide as the species of two worlds struggle to make a new home on the reborn planet.

A history of the First Alien War and humanity's greatest struggle. Soldier and scientist alike will find themselves pushed to the brink by the horrors of a war unlike anything we have known. The fate of our species rests in the hands of the courageous men and women of the XCOM Initiative.