Classic Sudoku PRO

User Summary Open source Sudoku game with three different game modes (in Unlimited variant): 6x6 game field with 2x3 subsections 9x9 game field with 3x3 subsections (standard) 12x12 game field with 3x4 subsections The 9x9 Classic mode is also available in four difficulty levels; Easy, Medium, Hard and Very Hard; each with 250 puzzles. In game credits Contributers Roman Mašek Óscar Garcia Amor Sergey Pimanov Technische Universität Darmstadt, Germany Kamuno Gongxter Yonjuni Agmagor brainyperfect Tom Thomas