Twenty years have passed since world leaders offered an unconditional surrender to alien forces. But at the edges of the world a force gathers once again to stand up for humanity.Twenty years have passed since world leaders offered an unconditional surrender to alien forces. But at the edges of the world a force gathers once again to stand up for humanity.Twenty years have passed since world leaders offered an unconditional surrender to alien forces. But at the edges of the world a force gathers once again to stand up for humanity.