Doping at the Olympic Games following year's Games. In a few cases the IOC has reversed earlier rulings that stripped athletes of medals. In the case of Rick DeMont, the United States Olympic Committee (USOC) has recognized his gold medal performance in the 1972 Summer Olympics in 2001, but only the IOC has the power to restore his medal, and it has as of 2017 refused to do so. Though no athletes were caught doping at the 1980 Summer Olympics, it has been claimed that athletes had begun using testosterone and other drugs for which tests had not been yet developed. A 1989 report by
Mario & Sonic at the Olympic Games Sean Ratcliffe, vice president of marketing at Sega of America said, "I think the key factor that decides the ongoing building of this franchise is basically success. Is the game successful? Are consumers happy with it?" "Mario & Sonic at the Olympic Winter Games" is based on the 2010 Winter Olympics in Vancouver and released on the Wii and the Nintendo DS in October 2009, sold 6.53 million copies in the US and Europe by March 31, 2010. "Mario & Sonic at the London 2012 Olympic Games" is based on the 2012 Summer Olympics and was released on the Wii