The last safe city of humanity has fallen into the hands of an invading force led by Ghaul, the imposing commander of the brutal Red Legion. He has stripped the city's Guardians of their power and sent the survivors fleeing. You will travel to mysterious, unknown worlds of our solar system and discover an arsenal of weapons and devastating new combat skills. If you want to defeat the Red Legion and confront Ghaul, you must reunite the scattered heroes of humanity so that together you can reclaim our home.