Mario and 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 sports game developed by Sega Japan and published by Nintendo for the Nintendo 3DS. The game features characters from both the Mario and Sonic franchises competing in various Olympic events. Players can choose to play as either Mario, Sonic, or one of their many friends and take part in events such as swimming, track and field, and archery. The game also features a special mode where players can compete in the 2012 London Olympic Games. With the 3D capabilities of the Nintendo 3DS, players can experience the excitement of the Olympic Games in full 3D. Mario and Sonic at the London 2012 Olympic Games is a great way for players to experience the spirit of the Olympics and have fun with their favorite characters.