Check out the first videos of the U.S. version of Mario Kart Wii.
Here is Koopa Troopa in the Mini Beast kart racing on Wario's Gold Mine.
Baby Peach tackles Luigi Circuit on a motorcycle.
Like your classic tracks? Here are the Wii versions of SNES Ghost Valley 2 and N64 Mario Raceway.
Here's a brief look at Mario Kart Wii's online features and a new battle mode track.