Daily Killer Sudoku September 27, 2026
The same puzzle everyone got on September 27, 2026 — deterministic, graded, and still playable.
| 18 | 12 | 14 | 19 | 16 | ||||
| 12 | 13 | 12 | ||||||
| 19 | 11 | 15 | ||||||
| 9 | 14 | |||||||
| 7 | 7 | 25 | 12 | 6 | 1 | |||
| 96 | 3 | 19 | ||||||
| 14 | 8 | 7 | 18 | 29 | 4 | |||
| 15 | 10 | 12 | ||||||
| 15 | 2 |
What it takes to solve
Our grader solved this puzzle in 178 steps. Every technique it needed, in ladder order:
- Naked single× 58
- Hidden single× 21
- Naked pair× 11
- Pointing pair× 1
- Cage combinations× 84
- X-Wing× 1
- Forcing chain× 2
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Nightmare. How the technique ladder works.
Stuck on a cage? The killer sudoku calculator lists every combination a sum can take.
Also on September 27, 2026: the daily classic.