Peggle is a casual puzzle game from PopCap Games first released in 2007, built around shooting balls at coloured pegs and clearing orange pegs to trigger its famous Extreme Fever finish. Clips from streamers playing it travel well because every shot can swing from hopeless to perfect in seconds. This K9Kuro version is shared as a short reaction and celebration sound online, used in edits where a lucky break, a satisfying clear or an unexpected win needs a bright, instantly readable payoff without a long setup.