Heart Breaker

This app offers in-app purchases to unlock the full game, which includes all stages after Floor 6, for a fee of US$1.99. The game, Heart Breaker, is a hack-and-slash RPG involving dungeon exploration and the consumption of enemies' HEARTs for infinite strength. Players can obtain weapons, protectors, and HEARTs from enemies, and equip them or transplant them onto items to gain various skills. The game also allows for cloud backup and restore of game data, and up to Floor 5 is available for free. An extra pack can also be purchased for US$0.99, which includes the ability to change the player's gender, class, name, and starting floor, as well as replacing items for sale for a specific amount of Gold.