Daily Killer Sudoku May 15, 2026
The same puzzle everyone got on May 15, 2026 — deterministic, graded, and still playable.
| 1 | 16 | 13 | 18 | 12 | 23 | 2 | ||
| 7 | 14 | 1 | ||||||
| 11 | 10 | 12 | 18 | |||||
| 24 | 3 | 16 | 20 | |||||
| 12 | 18 | |||||||
| 13 | 16 | 1 | ||||||
| 23 | 21 | 15 | 16 | 15 | ||||
| 9 | 6 | 5 | 7 | |||||
| 3 | 11 | 1 |
What it takes to solve
Our grader solved this puzzle in 137 steps. Every technique it needed, in ladder order:
- Naked single× 51
- Hidden single× 28
- Naked pair× 3
- Cage combinations× 55
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 15, 2026: the daily classic. Or jump to today's killer daily.