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This game can be considered as a Sudoku tutorial. There are 20 consecutive puzzles with different levels of difficulty each containing 16 games. 320 Sudoku games overall. To select a level just click a number inside one of the 20 big squares. Have in mind that each game is timed, so try to be fast and finish the puzzle in time.
Horror Sudoku game is copyrighted or trademarked by its respective owner.