"Mario Party 6 (マリオパーティ 6, Mario Pāti Shikkusu) is the sixth game in the Mario Party series of board game-style video games by Nintendo and is the third title in the series made for Nintendo GameCube and was released in Japan on November 18, 2004; North America on December 6, 2004; in Europe on March 18, 2005; and in Australia on September 15, 2005. It is the first GameCube game to make use of a microphone, which comes packaged with the game."
Source: Wikipedia, "Mario_Party_6," available under the CC-BY-SA License.