Clash Royale is a free-to-play real-time strategy video game developed and published by Supercell. In three years, Clash Royale made $2.5 billion in revenue according to market intelligence company Sensor Tower. The game combines elements from collectible card games, tower defense, and multiplayer online battle arena.
See also: Clash of Clans, Supercell (video game company), Gen.G, Nova Esports, Immortals (esports), G2 Esports.