Killer Cage Calculator & Sudoku Region Sums

Please select Killer Cage or Region Sum size to view all possible combinations. Certain digits can be excluded or marked as required.

Sudoku Type

Size of Killer Cage or Region Sum Segment

Allowed Digits

Required Digits

all of selected
at least one of selected

Possible Combinations

Please select size and configuration of Killer Cage or Region Sum with buttons above.

Filter by Sum


19: Set Cage Size

Shift + 19: Toggle required digits

Ctrl/Cmd + 1 - 9: Toggle allowed digits

Shift + Ctrl/Cmd + 0: Reset all selections