Sonic Team has revealed that it will announce a new game at the Nintendo Space World event next week in Japan. The company did not disclose whether the game is for the GameCube or the handheld Game Boy Advance. Other Sonic Team games scheduled to appear at the Nintendo event are playable versions of Phantasy Star Online for the GameCube, Sonic The Hedgehog Advance, and Minna De Puyo Puyo for the Game Boy Advance. The GameCube version of Phantasy Star Online will feature two new character classes, which will be revealed at the show floor. GameSpot's coverage of the Nintendo Space World begins on Thursday of next week.