Zumba Fitness Core (Nintendo Wii Games) Get ready to rock your core! Zumba Fitness Core is the latest release in the best-selling video game franchise that has sold more than seven million players on the exhilarating Zumba Fitness interactive workout. As the only fitness game that targets your core, Zumba Fitness Core is specifically designed to deliver the tight and toned abs that women crave. This energized dance-fitness party features fresh music and choreography, new dance styles and fitness features, plus cool new venues and celebrity Zumba instructors who can help you reach your personal goals as you dance your way towards that sexy six pack!