killer sudoku.
how to play killer
Fill each row, column and 3×3 box with 1–9, without repeating a digit. Use notes for possible numbers and ask for an explained move when you get stuck. Digits in each dotted cage must add to its small total, without repeating inside the cage. A one-cell cage gives its digit. The ordinary Sudoku row, column and box rules still apply.
Selected cage: 0 / 12 · 2 cells left · no repeats
↑ ↓ ← → move · 1–9 fill · N Notes · ⌫ erase
about this game
Play free daily Killer Sudoku: combine ordinary Sudoku rules with cage sums and no repeated cage digits. Three difficulties, notes and explained hints on mobile or desktop.
Fill each row, column and 3×3 box with 1–9, without repeating a digit. Use notes for possible numbers and ask for an explained move when you get stuck. Digits in each dotted cage must add to its small total, without repeating inside the cage. A one-cell cage gives its digit. The ordinary Sudoku row, column and box rules still apply.