Daily Killer Sudoku September 30, 2026
The same puzzle everyone got on September 30, 2026 — deterministic, graded, and still playable.
| 9 | 20 | 13 | 3 | |||||
| 9 | 8 | 13 | 8 | 28 | 21 | |||
| 4 | 7 | |||||||
| 9 | 11 | 9 | 19 | |||||
| 24 | 7 | 8 | 5 | |||||
| 7 | 14 | 12 | 8 | |||||
| 17 | 3 | 5 | 13 | 12 | 11 | |||
| 12 | 22 | |||||||
| 1 | 12 | 9 | 15 |
What it takes to solve
Our grader solved this puzzle in 142 steps. Every technique it needed, in ladder order:
- Naked single× 51
- Hidden single× 29
- Cage combinations× 62
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 30, 2026: the daily classic.