Killer Sudoku
How to play Killer Sudoku
1Tap a cell, then a number. The digits in each dashed cage add up to its small sum.
2Use 1 to 9 once in every row, column, 3×3 box and cage; repeats turn red.
3Select a cell to list every digit set that fits its cage's sum.
4Turn on Notes to pencil in the digits a cell could still be.
Up nextKakuro Play → About Killer Sudoku
Play Killer Sudoku free: no given numbers, just dashed cages whose digits must add up to their sums. Four levels, all solvable by logic.
- Easy, Medium, Hard and Expert
- Cage combinations helper
- Notes, hints and unlimited undo
- Optional three-mistake limit
- Daily puzzle, best times and streaks
Controls
Touch & mouse Tap a cell, then a number. Turn on Notes to pencil in.
| 1–9 | Fill |
| Shift+1–9 | Note |
| Arrows | Move |
| Backspace | Erase |
| N | Notes mode |
| Z | Undo |
| H | Hint |
| P | Pause |
