So basically, it's becoming less dependent on FarmVille and its other hits for revenue. The company also published information about a revolving credit facility on page 63, in which Zynga has a line of credit of up to $1 billion. Zynga corrected an accounting error for its Q1 2011 revenue, which added a $7.5 million increase in Q1 revenue (page 30), bringing the social gaming giant's Q1 revenue up to well over $240 million. Zynga also added 300 more employees in the past two months, bringing the total count to 2,543 employees worldwide.