Mario Rain Race is a cool 3D ATV racing game featuring all of your favorite Super Mario Characters. Climb on you ATV and see if you can deal with the heavy rain as you race around the cool 3D tracks. Stay on the track or you will be slowed down and not be able to win the Mario Rain Race 3 game. You can practice your racing skills in a single race and when you are ready to step up to the harder challenge you can get in on the career mode of the Mario Rain Race 3 racing game. Play Fun Games. Best Mario Rain Race 3 games.