Daily Killer Sudoku August 20, 2026
The same puzzle everyone got on August 20, 2026 — deterministic, graded, and still playable.
| 4 | 10 | 11 | 16 | 7 | 8 | |||
| 19 | 11 | 5 | 15 | 8 | 11 | |||
| 20 | ||||||||
| 16 | 16 | 14 | ||||||
| 10 | 16 | 14 | 9 | 4 | ||||
| 4 | 81 | 9 | 11 | |||||
| 22 | 9 | 20 | 8 | 16 | ||||
| 15 | 12 | |||||||
| 9 | 11 | 7 |
What it takes to solve
Our grader solved this puzzle in 150 steps. Every technique it needed, in ladder order:
- Naked single× 57
- Hidden single× 23
- 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 20, 2026: the daily classic.