Daily Classic Sudoku August 21, 2026
The same puzzle everyone got on August 21, 2026 — deterministic, graded, and still playable.
| 7 | 6 | |||||||
| 5 | 1 | |||||||
| 5 | 8 | 9 | 7 | |||||
| 5 | 3 | 4 | 8 | |||||
| 5 | 1 | 9 | ||||||
| 8 | 2 | |||||||
| 5 | 6 | 8 | ||||||
| 8 | 4 | 3 | 6 | 9 | ||||
| 9 | 2 | 7 |
What it takes to solve
Our grader solved this puzzle in 54 steps. Every technique it needed, in ladder order:
- Naked single× 41
- Hidden single× 12
- Forcing chain× 1
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Nightmare. How the technique ladder works.
Also on August 21, 2026: the daily killer.