Daily Killer Sudoku September 23, 2026
The same puzzle everyone got on September 23, 2026 — deterministic, graded, and still playable.
| 20 | 15 | 16 | 10 | 7 | 6 | |||
| 16 | 15 | |||||||
| 18 | 13 | 13 | 3 | 17 | ||||
| 20 | 4 | |||||||
| 132 | 3 | 12 | 15 | 13 | ||||
| 15 | 22 | |||||||
| 15 | 5 | 18 | 1 | |||||
| 10 | 12 | 7 | 11 | 7 | 11 | |||
| 13 | 9 |
What it takes to solve
Our grader solved this puzzle in 147 steps. Every technique it needed, in ladder order:
- Naked single× 59
- Hidden single× 21
- Cage combinations× 67
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 23, 2026: the daily classic.