Foggy Killer Knights
- Fog of war
- Killer cages
- Anti-knight
The brief
- Normal Sudoku rules apply.
- Cells separated by a knight's move in chess cannot contain the same digit.
- Digits in a cage do not repeat and sum to the clue in the top left.
- The grid is partially covered with fog. Correctly placed digits will clear the fog around that cell. The grid is partially covered with fog. Correctly placed digits will clear the fog around that cell. No guessing is required.