Naughty Dog, the keystone of Sony's 15 studio first party roster, has typically made one game at a time. But sometime after Uncharted 2: Among Thieves came out, Naughty Dog split its focus onto two separate projects. Indeed, the team that was responsible for Uncharted 3: Drake's Deception is not the same team that's been toiling away on The Last of Us for the last two years...