Clash Royale is a real-time strategy mobile game developed by Supercell. Players collect and upgrade cards featuring troops, spells, and defenses from the Clash of Clans universe. The objective is to destroy the opponent's towers while defending your own, using a combination of strategy and quick decision-making. Each match lasts three minutes, with an additional tiebreaker if needed. Players earn trophies by winning battles, which helps them progress through various arenas. The game also includes a clan system, allowing players to join groups for sharing cards and participating in friendly battles or tournaments.