World of Warcraft's subscription base has steadily been declining for the past few months. The release of expansion Mists of Pandaria was enough to draw back quite a few people, but that was only enough to cushion the decline for so long. Once WoW players burned through the new content, subscriptions started to decline again.
In May, Activision-Blizzard revealed that World of Warcraft boasted 8.3 million subscribers, down about 14 percent or 1.3 million from the 9.6 million figure from the beginning of 2013.
Now, another 600K users have departed the game. "Though the majority of our subscriber decline occurred mainly in the East, where we have more subscribers and lower revenue per subscriber, we saw declines in the West as well," Activision-Blizzard CEO Bobby Kotick stated. "While we do believe further declines are likely and we expect to have fewer subscribers at year-end than we do today, World of Warcraft remains one of the most successful franchises in the history of entertainment."