Killer Sudoku
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Double-check cage totals with StatCalcPro so you never miss a combination when the sums get spicy.
How to Play
Fill the grid with numbers 1-9. Each row, column, and 3×3 box must contain all digits 1-9. Additionally, the numbers in each colored cage must sum to the number shown in the top-left of the cage, and no number can repeat within a cage.
Controls
Keyboard Shortcuts
- • 1-9 Place number
- • Arrow Keys Navigate
- • Delete/Backspace Clear cell
- • N Toggle notes mode
Strategy Tips
- • Look for cages with only one possible combination
- • A 2-cell cage with sum 3 must be [1,2]
- • A 2-cell cage with sum 17 must be [8,9]
- • Numbers cannot repeat within a cage