Daily Sudoku X 5 Stars4 Stars3 Stars2 Stars1 Star (No Ratings Yet) Other Final Boss 19 Apr , 2021 0 PLAY NOW! GAME INFO Daily Sudoku game with an additional rule for the diagonals. Every day new sudoku games with the following rules: each row, column, 3x3 box and diagonal contains the numbers 1 to 9 only once.