Daily Killer Sudoku August 9, 2026
The same puzzle everyone got on August 9, 2026 — deterministic, graded, and still playable.
| 2 | 10 | 9 | 22 | 186 | 10 | 17 | 22 | |
| 18 | 6 | |||||||
| 18 | ||||||||
| 12 | 2 | 12 | 4 | |||||
| 16 | 3 | 15 | 18 | |||||
| 12 | 5 | 7 | 15 | 21 | ||||
| 12 | 12 | |||||||
| 13 | 20 | 12 | 9 | |||||
| 25 | 10 |
What it takes to solve
Our grader solved this puzzle in 153 steps. Every technique it needed, in ladder order:
- Naked single× 58
- Hidden single× 21
- Naked pair× 4
- Cage combinations× 70
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 August 9, 2026: the daily classic.