Daily Killer Sudoku July 25, 2026
The same puzzle everyone got on July 25, 2026 — deterministic, graded, and still playable.
| 19 | 5 | 10 | 13 | 23 | 8 | |||
| 12 | 6 | 9 | ||||||
| 18 | 9 | 13 | 15 | 4 | 9 | |||
| 7 | 12 | 8 | 1 | 11 | ||||
| 10 | 15 | 12 | ||||||
| 18 | 24 | 14 | ||||||
| 23 | 4 | 14 | 1 | |||||
| 9 | 15 | 9 | 15 | 14 | ||||
| 3 |
What it takes to solve
Our grader solved this puzzle in 142 steps. Every technique it needed, in ladder order:
- Naked single× 57
- Hidden single× 22
- Cage combinations× 63
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 25, 2026: the daily classic.