Curse of Naxxramas: A Hearthstone Adventure Dated

Progress through each of the five unique wings of the dungeon and gain new cards for your Hearthstone collection by defeating iconic bosses
Curse of Naxxramas: A Hearthstone Adventure, a single-player mode for Hearthstone: Heroes of Warcraft, will arrive in North America on July 22nd and in Europe on July 23rd, for Windows, Mac, and iPad, Blizzard Entertainment announced. Curse of Naxxramas will open its gates one wing at a time, with a new part opening each week. The wings of Naxxramas will open in the following order: Arachnid Quarter, Plague Quarter, Military Quarter, Construct Quarter, and Frostwyrm Lair.
Arachnid Quarter will be free to play during the Curse of Naxxramas launch event - those who will step foot into this wing during the launch event will unlock it permanently for free. After Arachnid Quarter, the next four wings can be purchased for 700 gold per wing or $6.99 USD per wing.