Daily Killer Sudoku August 23, 2026
The same puzzle everyone got on August 23, 2026 — deterministic, graded, and still playable.
| 20 | 5 | 11 | 13 | 12 | 12 | |||
| 8 | 6 | 16 | 10 | 2 | ||||
| 14 | 17 | |||||||
| 20 | 14 | 12 | 19 | 23 | 6 | |||
| 12 | ||||||||
| 5 | 12 | 19 | ||||||
| 9 | 5 | 12 | 13 | 8 | ||||
| 15 | 13 | 10 | 14 | 9 | ||||
| 9 | 8 | 3 |
What it takes to solve
Our grader solved this puzzle in 124 steps. Every technique it needed, in ladder order:
- Naked single× 57
- Hidden single× 22
- Cage combinations× 45
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 23, 2026: the daily classic.