Crazy Racing Kart Rider (Korean: 크레이지레이싱 카트라이더) is an online multiplayer racing game. It is part of the Crazy Arcade franchise. It earns revenues by selling virtual items in the in-game shop, including different types of vehicle and spraypaint. Kart Rider not only features fictitious fantasy vehicles but also branded game models based on real-life cars, developed from collaboration with companies such as BMW Korea. About 25% of South Koreans have played the game at least once.