Several large, older apps have added daily active users on this week's AppData list of fastest-growing Facebook games by daily active users, including Zynga's FrontierVille, FarmVille, Texas HoldEm Poker and YoVille. The four Zynga apps all come up within the top ten:

The new DAU for Zynga looks like a short-term bump, probably brought about by advertising. The company may be pumping up some of its apps with new users in preparation for the launch of CityVille next week, with the intention of diverting people over to the new game. Or it could simply be benefiting from holiday week traffic, partially driven by the holiday-themed virtual goods pushes that have now become standard.

Ravenwood Fair comes in second with 222,963 new DAU, an impressive sum for a relatively new game. Some of the growth is from an ongoing recovery of users who stopped coming by during the week that the app's viral channels were shut down.

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