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Sinister Sudoku isn't a sudoku game like the others ... The version risks to drive you literally crazy! The difficulty is, at the beginning, relatively high: you only dispose of a few numbers to start filling the board. The problem is that each time you enter a new number in a case, all the numbers around are changed! You will need a lot of perseverance and determination to end this game. Moreover, the atmosphere doesn't help, it stresses you just a little bit more ... Do your best to stay calm if you want to win at least once!
Use the arrow keys to move, the 1-9 keys to set a number and the spacebar to clear a cell.
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