NieR:Automata Ver1.1a

An alien race called Gauna has destroyed Earth. leaving humanity struggling to survive aboard the spaceship Sidonia. Even though it’s been a century since the last encounter with the Gauna, military service is mandatory. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of Sidonia, it’s a strange new world as he’s forced to come to the surface. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared.

While fighting an intense inter-galactic war, a mecha pilot is accidentally warped into a space-time neither he nor his computer recognize. After waking up from a long-time hibernation, he finds himself trapped on a planet, with human residents talking in an unknown form of language, using inferior technologies, and - most shocking to him - naturally breathable air.

In the wake of unknown Catastrophes in the heart of Terra, a mineral of unimaginable power has been discovered. With it, society's technology has made huge leaps and bounds, but the substance causes a deadly incurable disease, leading to a worldwide enslavement of the infected. As a rebellion is now on the rise, a pharmaceutical company races for a cure to save humanity.

The year is 2062. Earth has been left in ruin after the failure of a labor automation project when the AI called Artemis waged war against humanity. A girl, Empress, awakens in a research lab. As one of the three surviving guardians, she must destroy the Orbital Elevator before Artemis can complete its construction. Failure will result in a machine army overrunning Earth.