Daily Classic Sudoku May 21, 2026
The same puzzle everyone got on May 21, 2026 — deterministic, graded, and still playable.
| 1 | 4 | 2 | 7 | |||||
| 7 | 1 | |||||||
| 2 | 4 | 7 | 6 | |||||
| 3 | 2 | |||||||
| 5 | 6 | 7 | 8 | |||||
| 7 | 6 | 2 | ||||||
| 4 | ||||||||
| 3 | 4 | 9 | 7 | 5 | ||||
| 9 | 6 | 1 |
What it takes to solve
Our grader solved this puzzle in 53 steps. Every technique it needed, in ladder order:
- Naked single× 45
- Hidden single× 8
Difficulty on Stillgrid is graded by the hardest technique a puzzle actually requires — this one earns Easy. How the technique ladder works.
Also on May 21, 2026: the daily killer. Or jump to today's classic daily.