Hearthstone has been played by 30 million people
Blizzard's strategy game Hearthstone has 30 million players, the developer announced on Twitter.
The figure doesn't breakdown players numbers by platform, but Activision will release its recent financial report tomorrow, so maybe more information will be forthcoming.
Hearthstone was releases on PC March 14, 2014 followed by Mac, phones, and tablets.
Blackrock Mountain, the latest expansion, was released back in April.