Daily Killer Sudoku August 12, 2026
The same puzzle everyone got on August 12, 2026 — deterministic, graded, and still playable.
| 19 | 18 | 4 | 11 | |||||
| 6 | 9 | 12 | 5 | 15 | ||||
| 11 | 18 | 18 | 9 | 15 | ||||
| 3 | 19 | |||||||
| 19 | 22 | 3 | ||||||
| 7 | 18 | 15 | ||||||
| 15 | 7 | 13 | 19 | 17 | ||||
| 1 | 17 | 8 | 11 | |||||
| 15 | 13 |
What it takes to solve
Our grader solved this puzzle in 143 steps. Every technique it needed, in ladder order:
- Naked single× 67
- Hidden single× 13
- Naked pair× 2
- Cage combinations× 61
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 12, 2026: the daily classic. Or jump to today's killer daily.