Daily Killer Sudoku August 19, 2026
The same puzzle everyone got on August 19, 2026 — deterministic, graded, and still playable.
| 5 | 20 | 6 | 21 | 17 | 21 | |||
| 13 | 11 | 13 | 15 | |||||
| 9 | 1 | 13 | 10 | 15 | 5 | |||
| 22 | 8 | 4 | 18 | |||||
| 9 | 6 | 24 | 13 | 9 | ||||
| 21 | 9 | 2 | 14 | |||||
| 8 | 16 | 1 | ||||||
| 8 | 7 | 3 | 15 | 4 |
What it takes to solve
Our grader solved this puzzle in 133 steps. Every technique it needed, in ladder order:
- Naked single× 60
- Hidden single× 19
- 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 August 19, 2026: the daily classic.