CityVille Slows Down on This Week's List of Fastest-Growing Facebook Games by MAU

After several weeks averaging almost three million new monthly active users per day, CityVille’s gains have fallen to an average of under two million MAU per day on this week’s AppData list of fastest-growing Facebook games by MAU. Of course, that would be amazing for any game, but the important detail is that CityVille may peak after reaching 100 million MAU.