Lots of improvements since the classic mario kart 64. Real score: 9.7
64 - 8 characters participating in each race.
Wii - 12 characters participating in each race
64 - Only "Real" players can be in battle mode, making the maximum ammount of players 4.
Wii - Computer players can also be played with, making it 12 players in battle mode.
64 - 8 different characters
Wii - 25 different characters
64 - Each character has only one type of kart.
Wii - Each character has more than 4 types of kart.
64 - 16 racing levels.
Wii - 32 racing levels.
On top of that, you can also choose playing the game with the Remote and Nunchuk, with only the Remote holden horizontally, or wih the Wii Wheel that creates a much more realistic feeling of driving. Anyone who has a Wii should get it immediately.