Marking the historic first time these two renowned stars have appeared together in a game, Mario & Sonic at the Olympic Games has players competing in events that take place in environments based on the official venues of the Beijing 2008 Olympic Games. Featuring an all-star cast of characters from the amazing worlds of both Mario and Sonic, players will be able to compete as or against a range of familiar characters including Mario, Sonic, Luigi, Knuckles, Yoshi, Tails, and more.