I has nintendo power on it
Aparrently there are "turbo bikes"(i.e. motorbikes) as well as racing karts.
Alot of remade stages from the old games.
Items list:(new means it hasnt appeared in the series before)
Green shell, Triple green shells, red shells, Triple red shells, spiny shell, mushroom, triple mushrooms, golden mushroom, mega mushroom(new), lightning, lightning cloud(new), banana, triple bananas, blooper, bob-omb, pow block(new), star, fake item box, boo, bullet bill.
You can race as a Mii as well.
Battle mode has Coin runners(collect most coins in a time period) and Balloon battle.
You can race online as expected and share time trial data.
There are 12 standard characters and 6 hidden ones,
Standards:
Baby Mario
Baby Peach
Bowser
Donkey Kong
Koopa Troopa
Luigi
Mario
Peach
Toad
Waluigi
Wario
Yoshi
and 6 other hidden characters
32 race tracks