Mario & Sonic at the Olympic Games (マリオ&ソニック in 北京オリンピック, Mario & Sonikku in Pekin Orinpikku?, lit. "Mario & Sonic in the Beijing Olympics" in Japan), is an announced sports game by Sega and Nintendo, and the first official crossover game featuring both Mario and Sonic The Hedgehog, Nintendo and Sega's former rival mascots, along with other characters from their respective series. It is set for release on both the Nintendo DS and Wii during the Christmas season of 2007, and is officially licensed by the International Olympic Committee through exclusive licensee International Sports Multimedia. It will be the first official game of the 2008 Summer Olympic Games to be released, with a more realistic sports game to be later released by Sega in 2008.