Top Ten Hardest Mario Kart Wii Tracks (NB)

1 Rainbow Road - Mario Kart Wii

2 Bowser's Castle

3 Moonview Highway

4 Grumble Volcano

5 Wario's Gold Mine

6 Maple Treeway

7 Koopa Cape

8 Mushroom Gorge

9 Dry Dry Ruins

10 DK Summit