Daily Killer Sudoku September 19, 2026
The same puzzle everyone got on September 19, 2026 — deterministic, graded, and still playable.
| 17 | 9 | 16 | 12 | 16 | ||||
| 2 | 7 | 22 | ||||||
| 20 | 20 | 12 | 14 | 16 | 13 | |||
| 14 | ||||||||
| 8 | 7 | 15 | ||||||
| 6 | 16 | 10 | 15 | |||||
| 5 | 13 | 25 | ||||||
| 25 | 6 | 4 | 14 | |||||
| 10 | 13 | 3 | 9 |
What it takes to solve
Our grader solved this puzzle in 136 steps. Every technique it needed, in ladder order:
- Naked single× 56
- Hidden single× 22
- Naked pair× 1
- Cage combinations× 57
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Medium. How the technique ladder works.
Stuck on a cage? The killer sudoku calculator lists every combination a sum can take.
Also on September 19, 2026: the daily classic. Or jump to today's killer daily.