Super Speed Machines - Nintendo DS Play with your friends in a 4 player Single Cart race! 48 total tracks on 8 unique environments. Exchange and merge Time Attack data between 2 players and try to beat each other?s times. Choose from 6 distinctive vehicles and unlock different paint jobs for them as you progress through the game. Interactive hazards and "on-track" boosts help you get the edge over your opponent. Find numerous paths and shortcuts integrated within each track.Win races to unlock more tracks and different skins for your vehicles.