Blizzard just announced that Hearthstone: Heroes of Warcraft now has more than 50 million registered players on the day Whispers of the Old Gods went live.
Whispers of the Old Gods is a the third card based expansion for Hearthstone with more than 134 cards and even more tentacles. Whispers of the Old Gods includes the Old Gods C’Thun, N’Zoth, Yogg-Saron, and Y’Shaarj. People who login during the launch period will be rewarded with three free packs and everyone will get C’Thun and two Beckoner of Evil cards.
Whispers of the Old Gods is available now on PC, Mac, iOS, and Android devices in the updated Hearthstone app or client.
Source: God is Geek