Mario Tennis was officially announced early this year. However, details remain scarce. Nintendo Dream magazine in Japan spoke with Nintendo spokesperson Mitsuaki Hagishima. He revealed that that Mario Tennis is nearing completion for the GameCube and is already 75% complete and fully playable with all characters.

He continued saying that the game's producers Hiroyuki and Shugo Takahashi are currently focused on adding extra elements that take advantage of the GameCube's capabilities.

A release date has not been announced yet, but Mario Tennis is expected to ship sometime early next year to retailers.

We will have more as it breaks!