A joint press release from Facebook and Farmville creator Zynga has announced that the two have entered into a "five-year strategic relationship," which "increases their shared commitment to social gaming on Facebook and expands use of Facebook Credits in Zynga's games." The new union likely comes as a response to reports that Zynga CEO Mark Pincus was considering leaving Facebook behind to start a new social gaming hub.

The terms of the relationship aren't being discussed, but we imagine a new agreement was reached regarding how much Facebook takes from purchases using the aforementioned Credits. We're likely to hear more about the specifics of this agreement in the coming weeks.

This article was originally published on Joystiq.

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