By Matt Lynley From Business Insider
Most recently, The Sims Social had 2.7 million daily active users, compared to CityVille's 6 million daily active users, according to AppData.
Electronic Arts used to send games to sunset to the Playfish studio in Shanghai, but that studio took over development on a Facebook version of EA's top game Sim City, which has been in development for about two years.
When CityVille came out and quickly sprang to become the most popular game on Facebook, Electronic Arts decided it had to make Sim City for Facebook a triple-A title in order to compete, so it put the entire Shanghai studio on the game, one source said.
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