Daily Killer Sudoku August 17, 2026
The same puzzle everyone got on August 17, 2026 — deterministic, graded, and still playable.
| 3 | 16 | 12 | 14 | 26 | 11 | |||
| 13 | 3 | |||||||
| 15 | 4 | 21 | 16 | |||||
| 10 | 19 | 4 | 15 | |||||
| 16 | 16 | 9 | ||||||
| 5 | 9 | 26 | ||||||
| 14 | 14 | 18 | 5 | 1 | ||||
| 7 | 23 | 11 | ||||||
| 1 | 21 | 7 |
What it takes to solve
Our grader solved this puzzle in 173 steps. Every technique it needed, in ladder order:
- Naked single× 68
- Hidden single× 13
- Naked pair× 11
- Pointing pair× 7
- Cage combinations× 73
- Coloring× 1
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 August 17, 2026: the daily classic. Or jump to today's killer daily.