Diablo III is a fast-paced action RPG with heroes facing the onslaught of a demonic invasion. It was launched on May 15, 2012, and sold through more than 3.5 million copies in its first 24 hours of availability, setting a new all-time record for fastest-selling PC game. Together with the more than 1.2 million players who received Diablo III as part of signing up for the World of Warcraft Annual Pass promotion, more than 6.3 million players worldwide had a copy of Diablo III within its first week of release—representing the biggest PC-game launch in history.