Pai gow (Chinese: 牌九; pinyin: pái jiǔ; jyutping: paai4 gau2) is a Chinese gambling game that is playe with a Chinese dominoes tile set. Pai gow is played in unsanctioned casinos in most Chinese communities. It is played openly in major casinos in Macau, China, Las Vegas, Nevada, Atlantic City, New Jersey, in many California cardrooms, and in some Australian and New Zealand casinos. It dates back to at least the Song Dynasty, and is a game steeped in tradition.