Daily Killer Sudoku July 28, 2026
The same puzzle everyone got on July 28, 2026 — deterministic, graded, and still playable.
| 12 | 14 | 21 | 6 | 19 | ||||
| 22 | 10 | 8 | 17 | |||||
| 20 | 15 | 2 | ||||||
| 8 | 9 | 14 | 13 | |||||
| 6 | 10 | 13 | 3 | |||||
| 6 | 10 | 15 | 7 | 19 | ||||
| 13 | 30 | 13 | ||||||
| 5 | 12 | 9 | ||||||
| 25 | 4 |
What it takes to solve
Our grader solved this puzzle in 161 steps. Every technique it needed, in ladder order:
- Naked single× 62
- Hidden single× 17
- Naked pair× 6
- Pointing pair× 4
- Cage combinations× 67
- Coloring× 1
- Forcing chain× 3
- Almost Locked Set× 1
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Nightmare. How the technique ladder works.
Stuck on a cage? The killer sudoku calculator lists every combination a sum can take.
Also on July 28, 2026: the daily classic.