Daily Killer Sudoku July 22, 2026
The same puzzle everyone got on July 22, 2026 — deterministic, graded, and still playable.
| 10 | 13 | 16 | 6 | |||||
| 9 | 21 | 17 | 9 | |||||
| 12 | 14 | 11 | ||||||
| 3 | 19 | 7 | 21 | |||||
| 20 | 20 | 7 | 3 | |||||
| 11 | 19 | 17 | 19 | 14 | ||||
| 6 | ||||||||
| 21 | 16 | 10 | 10 | 9 | 15 | |||
What it takes to solve
Our grader solved this puzzle in 164 steps. Every technique it needed, in ladder order:
- Naked single× 63
- Hidden single× 18
- Naked pair× 8
- Cage combinations× 75
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 22, 2026: the daily classic.