Does being the leader of a cult automatically make you a bad guy? Doomsday cult sim Join Us might make that a more nuanced question than it initially appears. We got some hands-on cult-building time at Gamescom this year and saw a glimpse of how varied an experience different players could cultivate. You probably are a villain, but the flavor of your sin is yours to choose, and is it really all that terrible if you’re merely herding your flock…