Daily Killer Sudoku October 23, 2026
The same puzzle everyone got on October 23, 2026 — deterministic, graded, and still playable.
| 18 | 27 | 4 | 1 | 17 | 15 | 19 | ||
| 7 | 9 | |||||||
| 18 | 2 | 15 | 11 | |||||
| 8 | 7 | 15 | 8 | |||||
| 12 | 11 | 14 | 6 | 15 | ||||
| 16 | 13 | 7 | 14 | |||||
| 17 | ||||||||
| 20 | 1 | 11 | 9 | 14 | ||||
| 3 | 30 |
What it takes to solve
Our grader solved this puzzle in 135 steps. Every technique it needed, in ladder order:
- Naked single× 59
- Hidden single× 19
- Naked pair× 2
- 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 October 23, 2026: the daily classic.