Daily Killer Sudoku September 11, 2026
The same puzzle everyone got on September 11, 2026 — deterministic, graded, and still playable.
| 11 | 17 | 12 | 8 | 7 | 14 | |||
| 22 | 14 | |||||||
| 21 | 8 | 17 | 9 | |||||
| 15 | 7 | 19 | ||||||
| 6 | 14 | 9 | 5 | |||||
| 12 | 9 | 19 | 12 | 12 | ||||
| 14 | 7 | 17 | ||||||
| 13 | 14 | 15 | 7 | |||||
| 16 | 3 |
What it takes to solve
Our grader solved this puzzle in 142 steps. Every technique it needed, in ladder order:
- Naked single× 66
- Hidden single× 15
- Naked pair× 3
- Cage combinations× 58
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 11, 2026: the daily classic.