Claymores of the Lost Kingdom offers a dynamic approach to character development, allowing players to create a hero and build their deck based on their evolving attributes. Each choice when leveling up or customizing the protagonist shapes the deck, providing a fresh experience. The game features turn-based combat in a fantasy medieval universe. Players engage in strategic card battles, using powerful spells and abilities to defeat enemies. The open world allows for free exploration and hunting of bandits, collecting new cards to strengthen the deck.