Zynga's social game FarmVille doubled the amount of monthly active users month-on-month, attracting 33.4 million monthly active users on Facebook, far exceeding any other title during the period, according to a new chart published on Inside Social Games.
Social game developer Zynga released the virtual farming title on June 19, and last month claimed the game is currently the "largest and fastest growing social game."
The next-closest game from a monthly active user standpoint during the period was another Zynga game, Mafia Wars, which attracted 18.7 million monthly active users on Facebook, up from 15.22 million the prior month.
In FarmVille, players create and manage virtual farms, and stay connected to friends through the Facebook social network. They can also purchase virtual items such as plants, animals, and buildings. Zynga said the game has attracted over 1 million new daily active users per week on average.
Also high up the chart at number 3 was FarmTown, another earlier farming-based title by Slashkey, which also managed over 18 million active monthly users. Nonetheless, Zynga managed to take four of the top seven most-played titles on the social network.
The complete list of the top 20 Facebook titles for the month, as compiled by Inside Social Games, is as follows:
Inside Social Games also listed the top 25 social games of the past month on MySpace, ranked by "total users." Playdom's Mobsters topped the list with 13.9 million, relatively flat month-on-month, followed by Zynga's Mafia Wars, which had 12.5 million users on MySpace.