Clash Royale is a free-to-play mobile strategy game released by Supercell in 2016, built around real-time card battles between players. The short start sound plays as a match begins, marking the moment both decks go live and the countdown to battle starts. As gameplay clips, montages, and reaction videos spread on YouTube and TikTok, the jingle became an instant shorthand for competition starting. Creators still reuse it today because listeners recognise it in less than a second and immediately expect a match, a challenge, or a high-stakes play.