New things have been added in this game. The most popular change is that you can play as two characters at a time. If you have a special cable for the Nintendo GameCube, you can plug it in to play against up to 15 people. Nine characters returned, while 11 new characters appeared. A special item for each character has also been added. Lots of people liked "Mario Kart: Double Dash!!" Its score on Metacritic was 87 out of 100. People liked the looks and the new characters, modes etc., but people did not like the character's voices. Lots of people liked this game. 3.8 million "Mario Kart: Double Dash!!" CDs were sold in the United States, and more than 802,000 "Double Dash!!" CDs were sold in Japan.