Mario & Sonic at the Olympic Games is a and developed by the . It was published by in Japan and by in other regions, released on the in November 2007 and the handheld in January 2008. The first official video game of the , it is licensed by the (IOC) through exclusive licensee International Sports Multimedia (ISM), and is the first official crossover game to feature characters from both the and series.
Mario & Sonic on the Wii and DS is a collection of twenty-four events based on the Olympic Games. Players of a Nintendo or Sega character, using the to mimic sports actions such as swinging a . The DS version uses the and button controls. Both games follow rules and regulations of the specific sports. Sega adopted the IOC's mission of promoting and interest young people in the by using its characters; following this theme, Nintendo allowed Sega to include with , created by Sega as a to rival Mario in the early 1990s.