Deluge
- Killer cages
- Arrows
- Minimum and maximum cells
- Fortress
The brief
Normal Sudoku rules apply.
ARROWS- Numbers on arrows sum to the number in the arrow's circle. Numbers do not repeat on arrows.
KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage.
MAXIMUMS- Numbers in the two cells shaded gray are greater than all 4 orthogonally adjacent cells.