Millions of Facebook users have flocked to CityVille, making the game more popular in every category than FarmVille, also produced by Zynga. In less than a month, CityVille amassed 16.8 million daily active users, compared with FarmVille’s 16.4 million, and CityVille had 61.7 million total users compared with FarmVille’s 56.8 million. Four of the five most popular apps are produced by Zynga.
Read it at Mashable
