Daily Killer Sudoku October 26, 2026
The same puzzle everyone got on October 26, 2026 — deterministic, graded, and still playable.
| 5 | 12 | 10 | 20 | 24 | ||||
| 17 | 10 | 10 | ||||||
| 15 | 8 | 12 | 20 | |||||
| 11 | 7 | 22 | 13 | 3 | 16 | |||
| 15 | 19 | |||||||
| 1 | 2 | 14 | ||||||
| 7 | 10 | 24 | 20 | |||||
| 17 | 12 | 7 | ||||||
| 3 | 20 | 6 |
What it takes to solve
Our grader solved this puzzle in 140 steps. Every technique it needed, in ladder order:
- Naked single× 53
- Hidden single× 26
- Cage combinations× 61
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 October 26, 2026: the daily classic.