Daily Killer Sudoku May 13, 2026
The same puzzle everyone got on May 13, 2026 — deterministic, graded, and still playable.
| 72 | 11 | 27 | 7 | 9 | 13 | 4 | ||
| 11 | 8 | 118 | ||||||
| 26 | 17 | 17 | ||||||
| 24 | 22 | 6 | ||||||
| 5 | 12 | 7 | ||||||
| 18 | 19 | 14 | ||||||
| 7 | 18 | 8 | 3 | 26 | ||||
| 11 | 8 | |||||||
| 9 | 10 | 17 |
What it takes to solve
Our grader solved this puzzle in 138 steps. Every technique it needed, in ladder order:
- Naked single× 60
- Hidden single× 18
- Cage combinations× 60
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 13, 2026: the daily classic. Or jump to today's killer daily.