Cursed House 15 is a new game in the series. It's new not only by number, but also in terms of gameplay mechanics. Some of these updates aren't directly visible to players but allow for more engaging Match-3 puzzle levels. However, there are also updates that players will see and appreciate.
I thought Cursed House 13 was tough, but the fifteenth installment of the Cursed House series takes the difficulty to a new level with the chain widget and ghost pieces. Also, because you can't get gratuitous powerups constantly anymore, it's an actual puzzle to figure out how to get all those coins! The 100 levels will make you think in different ways...