Daily Classic Sudoku October 21, 2026
The same puzzle everyone got on October 21, 2026 — deterministic, graded, and still playable.
| 8 | 6 | 9 | ||||||
| 2 | ||||||||
| 6 | 5 | 1 | ||||||
| 5 | 7 | 2 | 1 | |||||
| 9 | 7 | 3 | 8 | |||||
| 6 | 5 | 9 | 7 | |||||
| 1 | 9 | |||||||
| 5 | 6 | |||||||
| 7 | 4 | 8 | 5 | 2 |
What it takes to solve
Our grader solved this puzzle in 60 steps. Every technique it needed, in ladder order:
- Naked single× 40
- Hidden single× 13
- Naked pair× 2
- Hidden pair× 1
- Pointing pair× 2
- X-Wing× 1
- XY-Wing× 1
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Diabolical. How the technique ladder works.
Also on October 21, 2026: the daily killer.