Zynga CityVille had surpassed Zynga own FarmVille a couple of weeks ago, now Zynga has made a history with CityVille again, the fastest-growing game of all time. Today, the Facebook game broke another record as it just reached 100 million users, just 43 days after its launch on Dec. 2.
CityVille, a city simulation became the biggest-ever app on Facebook, surpassing the peak number for Zynga FarmVille, on Jan. 3. FarmVille hit a peak of 83.76 million users in March, 2010, according to market analyst AppData.
