Variations of this game later spread to Japan and Korea, known as kemari and chuk-guk respectively. By the Chinese Tang Dynasty (618–907), the feather-stuffed ball was replaced by an air-filled ball and cuju games had become professionalized, with many players making a living playing cuju.
Also, two different types of goal posts emerged: One was made by setting up posts with a net between them and the other consisted of just one goal post in the middle of the field.