Daily Killer Sudoku September 8, 2026
The same puzzle everyone got on September 8, 2026 — deterministic, graded, and still playable.
| 19 | 21 | 11 | 11 | 15 | 2 | |||
| 19 | 6 | |||||||
| 4 | 19 | 8 | ||||||
| 20 | 14 | 10 | 8 | 20 | 12 | 20 | ||
| 6 | 7 | |||||||
| 9 | 3 | 19 | 10 | |||||
| 6 | 15 | 24 | 9 | 16 | 11 | |||
| 2 | 7 | |||||||
| 3 | 12 | 16 |
What it takes to solve
Our grader solved this puzzle in 139 steps. Every technique it needed, in ladder order:
- Naked single× 59
- Hidden single× 20
- Cage combinations× 60
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 8, 2026: the daily classic.