Tetris DS is a Touch! Generations puzzle game eveloped and published by Nintendo for the Nintendo DS. THQ announced Tetris DS before E3 2005, and scheduled it to make an appearance at the show. However, the company decided to cancel the game, and Nintendo released their own make of Tetris DS in March 2006. Part of the Tetris game series, the game supports up to ten players locally (with just one Nintendo DS game cartridge) and supports two or four player battle modes online with the Nintendo Wi-Fi Connection service.