Zynga, the company behind the popular "Farmville" game has launched a new title on Facebook called "FrontierVille." Zynga describes "FrontierVille" as a Wild West-themed social game that allows users to tame the wilderness, grow a family, and build a frontier town. Features of " FrontierVille " include multiple avatars on one screen, virtual families allowing users to customize a spouse and raise a virtual family, along with wildlife encounters,