Daily Killer Sudoku August 7, 2026
The same puzzle everyone got on August 7, 2026 — deterministic, graded, and still playable.
| 12 | 10 | 5 | 17 | 15 | ||||
| 9 | 26 | 21 | 15 | |||||
| 9 | 1 | |||||||
| 11 | 14 | 146 | 13 | 11 | ||||
| 8 | 15 | 4 | 21 | |||||
| 11 | 21 | |||||||
| 20 | 7 | 11 | 11 | 13 | 21 | |||
| 3 | 10 | |||||||
| 15 | 3 | 8 |
What it takes to solve
Our grader solved this puzzle in 133 steps. Every technique it needed, in ladder order:
- Naked single× 57
- Hidden single× 23
- Naked pair× 3
- Cage combinations× 50
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 7, 2026: the daily classic.