Daily Killer Sudoku September 9, 2026
The same puzzle everyone got on September 9, 2026 — deterministic, graded, and still playable.
| 7 | 15 | 2 | 27 | 9 | 16 | 19 | ||
| 15 | 9 | 6 | ||||||
| 11 | 11 | 4 | ||||||
| 102 | 24 | |||||||
| 20 | 10 | 20 | 19 | 9 | ||||
| 5 | 20 | 6 | ||||||
| 12 | 18 | 7 | ||||||
| 15 | 3 | 15 | 11 | |||||
| 18 | 12 |
What it takes to solve
Our grader solved this puzzle in 152 steps. Every technique it needed, in ladder order:
- Naked single× 54
- Hidden single× 26
- Naked pair× 9
- Cage combinations× 63
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 9, 2026: the daily classic.