PC juggernaut Diablo 3 has sold over 20 million copies since its 2012 launch, according to a press release expounded upon in Activision Blizzard's second quarter earnings call today. That number includes expansion and digital sales, and is accurate as of June 30, 2014.
The figure makes it the No. 1 PC game (in terms of dollars) in North America and Europe.
Read Polygon's Diablo 3 review here.