Daily Killer Sudoku July 17, 2026
The same puzzle everyone got on July 17, 2026 — deterministic, graded, and still playable.
| 4 | 19 | 15 | 14 | 12 | ||||
| 164 | 13 | 8 | 15 | 9 | ||||
| 6 | 10 | |||||||
| 17 | 13 | 3 | 8 | 18 | ||||
| 24 | 24 | |||||||
| 3 | 7 | 12 | 20 | |||||
| 19 | 15 | 13 | 7 | |||||
| 19 | 23 | 19 | ||||||
| 3 | 4 |
What it takes to solve
Our grader solved this puzzle in 139 steps. Every technique it needed, in ladder order:
- Naked single× 68
- Hidden single× 11
- Naked pair× 2
- Hidden pair× 3
- Cage combinations× 55
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 17, 2026: the daily classic.