Mix Master (Korean: 카드왕 믹스마스터; RR: Kadeu Wang Mikseu Maseuteo; Japanese: カード王 ミックスマスター) is a South Korean–Japanese co-produced anime series based on the massively multiplayer online role-playing game Mix Master: King of Cards that was launched in 2003. It is a co-production of Nippon Animation Japan and Sunwoo Entertainment and KBS of Korea. The series aired on Cartoon Network in many Asian areas from the Far East to the Middle East. The story centers on the fantasy and adventure card game, Mix Master.