For those mobile games angling to dominate the top grossing charts, few features are more important than a limited time event system. For instance, in August of 2013, Gree released an infographic for hit game Modern War trumpeting a 600% increase in average daily revenue when events are running. Further, the infographic states that the game makes as much as $2.3 million during an event weekend and, at the time, the game was making its […]