It is the third installment in the Mario & Sonic series after the commercial success of its predecessors and is an official video game of the 2012 Summer Olympic Games. The game is officially licensed by the International Olympic Committee (IOC) through exclusive licensee International Sports Multimedia. It was published by Nintendo for Japan and by Sega for North America, Europe, and all other regions. Mario & Sonic at the London 2012 Olympic Games (マリオ&ソニック AT ロンドンオリンピック) is a 2011 sports video game developed by Sega Japan. Mario & Sonic at the London 2012 Olympic Games