A Little Bit Of Brain Training: Sudoku
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This game is titled Brain Age Express: Sudoku in North America, A Little Bit Of Brain Training: Sudoku in Europe, and Touhoku Daigaku Karei Igaku Kenkyuusho Kawashi Maryuuta Kyouji Kanchuu: Chotto Nou o Kitaeru Otona no DSi Training: Sudoku-Hen in Japan.
Advanced Sudoku puzzles
Complete any intermediate puzzle in less than fifteen minutes.