Daily Killer Sudoku October 17, 2026
The same puzzle everyone got on October 17, 2026 — deterministic, graded, and still playable.
| 3 | 21 | 13 | 6 | 19 | ||||
| 4 | 16 | 16 | 9 | |||||
| 23 | 15 | 11 | 25 | 1 | ||||
| 6 | ||||||||
| 5 | 11 | 13 | 15 | |||||
| 7 | 16 | 16 | 16 | 7 | ||||
| 12 | 10 | 7 | 17 | |||||
| 11 | 21 | 7 | ||||||
| 18 | 8 |
What it takes to solve
Our grader solved this puzzle in 159 steps. Every technique it needed, in ladder order:
- Naked single× 52
- Hidden single× 29
- Naked pair× 11
- Pointing pair× 2
- Cage combinations× 65
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 October 17, 2026: the daily classic.