Daily Killer Sudoku July 13, 2026
The same puzzle everyone got on July 13, 2026 — deterministic, graded, and still playable.
| 9 | 22 | 4 | 14 | 15 | 10 | |||
| 13 | 2 | 9 | ||||||
| 9 | 14 | 16 | 15 | |||||
| 7 | 1 | 21 | 9 | 8 | ||||
| 10 | 16 | 17 | ||||||
| 217 | 8 | 5 | 19 | 1 | ||||
| 11 | 14 | 21 | 14 | |||||
| 11 | 13 | |||||||
| 12 | 15 |
What it takes to solve
Our grader solved this puzzle in 153 steps. Every technique it needed, in ladder order:
- Naked single× 64
- Hidden single× 15
- Naked pair× 6
- Cage combinations× 68
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 July 13, 2026: the daily classic.