Brain Age is been a hit, Nintendogs is a hit, True Swing Golf not so much, but all together Touch Generations titles have sold around 3.5 million games in North America alone. While the Touch Generation series spans to add in Animal Crossing: Wild World in Japan and Trauma Center: Under the Knife in Europe there are only seven games with this label in North America: Big Brain Academy, Magnetica, Sudoku Gridmaster, Brain Age: Train Your Brain in Minutes a Day, Nintendogs, Tetris DS and True Swing Golf. Nintendogs leads the pack with 2.2 million units sold.
Nintendo is adding two new games to the Touch Generations group. Nintendogs: Dalmatian & Friends is a limited edition version of Nintendogs that has the Dalmatian available from the beginning. Clubhouse Games, a collection of 42 puzzle games with online play is the other new title in the series.