Foggy Disjoint
- Fog of war
- Killer cages
- Little killers
The brief
- Normal Sudoku rules apply.
- Disjoint Set: Cells in the same relative position in different boxes cannot contain the same digits.
- The grid is partially covered with fog. Correctly placed digits will clear the fog around that cell. No guessing is required.
- Digits along diagonals pointed to by arrows outside the grid must sum to the number listed.
- Digits in a cage do not repeat and sum to the clue in the top left.