The historic sports action face-off of the video game industry now comes to the Nintendo DS™ in dual-screen glory with new DS-only features! Utilizing the Touch Screen and stylus technology, players will make their favorite characters - including Mario, Sonic, Luigi, Knuckles, Yoshi and Tails - run faster, jump higher and compete like true champions. Up to four friends can connect wirelessly and compete for the much sought after gold medal in actual Olympic events from track & field to swimming in the ultimate showdown between Team Mario and Team Sonic.