Fallout: New Vegas - Old World Blues

The residents of the Mojave have long assumed the trackless wastes of the ‘Big Empty’ are a no-man's-land, a desolate stretch where no living thing can survive. In Old World Blues, you discover that it is anything but... After being transported to the Big MT research crater, you find you're the only hope of saving the Think Tank – the strange group of post-human researchers who inhabit the facili