Doka! to Ōmori Nanadaime is one of the many titles in Namco's Taiko no Tatsujin taiko drum rhythm game, and the last to appear on the PlayStation 2. As usual, players must tap along with the rhythm of various songs in taiko drum style, with a total of 48 songs featured in this release. Free mode is the main mode, where one or two players can play and earn points towards unlockables, and there is also a Battle mode for up to eight players and the usual mini-games.