Defiance the game is now live, offering an open-world MMO third-person shooter that ties in with a television series of the same name. It's not clear exactly how, but they content the game will influence the show: "Experience dynamic missions, massive co-op battles, and endless exploration across a gigantic game environment. Plus, brought to you by Syfy, the Defiance TV series is a revolutionary weekly drama that impacts the game, and gives you the chance to change the show."