How do you get more Facebook Credits instead of buying them?

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Question by Blackfire13: How do you get more Facebook Credits instead of buying them?
I have a facebook and I love doing this app that is called Yoville. When I figured out that the Facebook Credits is like money you can buy coins or cash stuff, I wanted more. I want to know how to get more Facebook Credits instead of buying them. Does anybody know how to get more Facebook Credits?

Best answer:

Answer by Sandra
You can't unless you win a contest on the nightclub city app

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