Arc on Defiance
Defiance is an MMORPG on the Xbox 360. It takes place in the San Francisco Frontier, 15 years after the devastating Pale Wars between Earth and a loose alliance of extraterrestrial races known as Votanis Collective. The Votans came to Earth seeking a new home after the destruction of their solar system, unaware that the planet was already inhabited. Friction between the new arrivals and Humanity led to war, during which the Votan's terraforming technology was unleashed. The Earth's surface was drastically altered as a result, introducing radical changes in topography, the extinction of plant and animal species, and the emergence of new species. Afterward, Humans and Votans were forced to live together.