I counted what VGC had as Activision (Unfortunately they own Blizzard =p)
And unfortunately these 4 weren't show as over 10M. But surely I will count if we have a source. I'm in the process of reviewing the OP to add these.
For World of Warcraft: http://ca.ign.com/articles/2010/10/07/world-of-warcraft-reaches-12-million-subscribers
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