Curse of Naxxramas is Hearthstone's card game set in the ancient cemetery of Naxxramas. The game features 5 wings of adventure which can be unlocked by defeating the bosses of a particular wing.

The adventure comprises of various boss fights which is distributed among the five wings. Players get to tackle each of the bosses in different difficulty levels, like Normal, Heroic or Class Challenges. Once a boss is defeated, their card is up for grabs.