Daily Killer Sudoku May 12, 2026
The same puzzle everyone got on May 12, 2026 — deterministic, graded, and still playable.
| 20 | 17 | 23 | 10 | 7 | ||||
| 11 | 4 | |||||||
| 18 | 25 | 10 | 8 | 24 | ||||
| 5 | 8 | 19 | ||||||
| 11 | 17 | 10 | 26 | 6 | ||||
| 13 | 4 | 7 | ||||||
| 8 | 14 | |||||||
| 9 | 11 | 5 | 19 | |||||
| 18 | 12 | 11 |
What it takes to solve
Our grader solved this puzzle in 145 steps. Every technique it needed, in ladder order:
- Naked single× 53
- Hidden single× 27
- Naked pair× 2
- Cage combinations× 63
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 12, 2026: the daily classic. Or jump to today's killer daily.