Daily Killer Sudoku May 20, 2026
The same puzzle everyone got on May 20, 2026 — deterministic, graded, and still playable.
| 21 | 11 | 7 | 20 | |||||
| 15 | 10 | 13 | 20 | 1 | ||||
| 10 | 4 | 21 | ||||||
| 10 | 22 | 8 | ||||||
| 17 | 8 | 1 | 14 | 16 | ||||
| 9 | 18 | 12 | 8 | 9 | ||||
| 13 | 4 | 5 | ||||||
| 11 | 11 | 14 | 9 | 22 | 10 | 8 | ||
| 5 |
What it takes to solve
Our grader solved this puzzle in 146 steps. Every technique it needed, in ladder order:
- Naked single× 53
- Hidden single× 26
- Naked pair× 2
- Cage combinations× 65
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 May 20, 2026: the daily classic. Or jump to today's killer daily.