Daily Killer Sudoku September 26, 2026
The same puzzle everyone got on September 26, 2026 — deterministic, graded, and still playable.
| 18 | 2 | 8 | 24 | 6 | 9 | |||
| 9 | 15 | |||||||
| 11 | 9 | 10 | 23 | |||||
| 10 | 17 | 9 | 18 | 20 | ||||
| 18 | 16 | 5 | ||||||
| 14 | 13 | 5 | 15 | |||||
| 9 | 16 | |||||||
| 17 | 17 | 15 | 4 | 16 | ||||
| 7 | 2 |
What it takes to solve
Our grader solved this puzzle in 140 steps. Every technique it needed, in ladder order:
- Naked single× 62
- Hidden single× 18
- Naked pair× 1
- Cage combinations× 59
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 26, 2026: the daily classic.