"Legends of Runeterra" is a digital collectible card game developed by Riot Games, set in the universe of League of Legends. Players build decks using cards that represent champions, spells, and creatures from various regions of Runeterra, each with unique abilities and strategies. The game features a turn-based system where players take turns playing cards and attacking opponents. It includes various game modes, such as ranked play and casual matches, allowing players to compete against others or enjoy solo experiences. Regular updates introduce new cards and mechanics, keeping the gameplay fresh and engaging.