Hearthstone's new Kobolds and Catacombs expansion may have introduced an exciting way to enjoy the game without spending money, but it also introduced a new issue that has made it difficult for some players to earn in-game currency.

Hearthstone's Kobolds and Catacombs expansion is live, and for perhaps the first time in Hearthstone history, even players who didn't spend money have a way to enjoy the expansion: a totally free new game mode called "Dungeon Run". It's something Hearthstone has needed for a long, long time now.

Hearthstone's latest expansion Kobolds and Catacombs launched today, featuring 135 new cards. One of them is called Violet Wurm, and as some players have noticed, it's almost exactly like a Magic: The Gathering card that came out 17 years ago.

Hearthstone's treasure and adventure-themed Kobolds and Catacombs expansion will be available December 7, and so far it looks like we're in for some treats: High-powered cards, exciting new mechanics and more deck options. But it might also be making Hearthstone more impenetrable for new players.