Daily Killer Sudoku October 16, 2026
The same puzzle everyone got on October 16, 2026 — deterministic, graded, and still playable.
| 7 | 14 | 20 | 16 | 8 | 15 | 18 | ||
| 10 | 17 | |||||||
| 6 | 15 | 4 | 17 | |||||
| 16 | 8 | 11 | 22 | |||||
| 9 | 8 | |||||||
| 13 | 10 | 19 | 3 | 14 | 6 | |||
| 17 | 20 | 5 | ||||||
| 14 | 10 | 15 | 6 | 12 | ||||
| 9 | 13 |
What it takes to solve
Our grader solved this puzzle in 132 steps. Every technique it needed, in ladder order:
- Naked single× 58
- Hidden single× 20
- Cage combinations× 54
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 16, 2026: the daily classic.