Zynga has just beat their own record with the launch of CityVille. CityVille has beat FarmVille as the world’s biggest game. And it only took 22 days. CityVille has 61.7 million monthly active users and FarmVille has 56.8 million. Zynga’s total traffic on Facebook is now 261.6 million monthly active users. As of this past November, Zynga was hitting about 198 million monthly active users.
CityVille is very similar to the game Sim City made by Electronic Arts. You can open up stores and operate them in the town. Zynga currently has a valuation that is over $5 billion.