Logic Masters Deutschland e.V.

Dense Fog

• Standard Sudoku rules apply.
  Each row, column, and region indicated by thick borders in the grid must contain the digits 1 to 9 once each.
• Little Killer rules apply.
  The numbers on the diagonal are the sum of all the numbers on that diagonal.
• Anti-Knight rules apply.
  A number may not be a knight's move away from itself.
• Quadruple rules apply.
  Digits in the quad circle must appear in the surrounding four cells. The quad circle clue is in ascending reading order and duplicates are allowed. Some numbers have been replaced with a ?. It is up to the solver to determine (e.g. ?3?9 clue has a number between 1-3 inclusive, 3, a number between 3-9 inclusive, and 9)
• Kropki rules apply.
  A white dot joins consecutive digits. A black dot joins digits in a 1:2 ratio. Not all dots are given.
• Dense Fog of War rules apply.
  The grid is covered by a dense fog. Placing a number in the correct square will reveal ONLY that square.

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Enjoy!