Daily Killer Sudoku May 18, 2026
The same puzzle everyone got on May 18, 2026 — deterministic, graded, and still playable.
| 12 | 8 | 19 | 23 | 13 | ||||
| 7 | 19 | 3 | ||||||
| 20 | 7 | 11 | 8 | 15 | ||||
| 4 | 23 | 5 | ||||||
| 23 | 5 | 11 | 21 | 8 | 13 | |||
| 229 | 6 | |||||||
| 2 | 18 | 8 | ||||||
| 24 | 13 | 5 | 17 | |||||
| 2 | 10 |
What it takes to solve
Our grader solved this puzzle in 150 steps. Every technique it needed, in ladder order:
- Naked single× 59
- Hidden single× 21
- Naked pair× 1
- Cage combinations× 69
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 18, 2026: the daily classic. Or jump to today's killer daily.