Clash Royale is a 2016 real-time strategy mobile game developed and published by Supercell. It combines elements of collectible card games, tower defense, and multiplayer online battle arena (MOBA). Players collect cards and create a deck to use in 3–5 minute battles, with the aim to destroy opposing towers whilst defending. Released worldwide on March 2, 2016, the game is the first spin-off of Clash of Clans, another title developed by Supercell.