In Club Penguin, the market leader, which was bought by Disney in 2007 for a whopping $700 million.

市场领导者企鹅俱乐部于2007年被迪斯尼以7亿美元的高价收购。

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In July, it began allowing cardholders to use their rewards to make online purchases from Apple's iTunes, Walt Disney's Club Penguin and Facebook.

WSJ: The New Credit-Card Rewards Programs

The chart from Compete above shows that Wizard101 has been outperforming other online game worlds for kids like Club Penguin, which is owned by Disney, and Free Realms, which is owned by Sony.

FORBES: Wizard101, The Harry Potter Of Online Games, Sees Growth