Daily Killer Sudoku October 25, 2026
The same puzzle everyone got on October 25, 2026 — deterministic, graded, and still playable.
| 9 | 8 | 18 | 12 | 9 | ||||
| 20 | 13 | 16 | ||||||
| 15 | 22 | 186 | 2 | |||||
| 4 | 1 | 22 | 11 | |||||
| 9 | 8 | 20 | 7 | 14 | 13 | |||
| 17 | 22 | |||||||
| 9 | 18 | 11 | 21 | |||||
| 12 | 6 | |||||||
| 9 | 15 |
What it takes to solve
Our grader solved this puzzle in 137 steps. Every technique it needed, in ladder order:
- Naked single× 59
- Hidden single× 20
- Cage combinations× 58
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 25, 2026: the daily classic.