Kingdom Hearts χ takes place before the first Keyblade War, which in The 'Verse is roughly the equivalent to mankind's fall in the Garden of Eden. Tetsuya Nomura has stated that despite its many ties to Kingdom Hearts III, it is not essential to understanding III, but it will 'enrich' your experience of said game. It uses a graphic style similar to Final Fantasy Brigade and Theatrhythm Final Fantasy. The eighth (excluding remakes) game in Disney and Square Enix's Kingdom Hearts series, Kingdom Hearts χ note the Greek letter χ is pronounced 'key' in Japanese was a Web Game on PC browsers and Mobile Phone Game.
