Daily Killer Sudoku June 23, 2026
The same puzzle everyone got on June 23, 2026 — deterministic, graded, and still playable.
| 1 | 22 | 18 | 13 | 5 | ||||
| 9 | 4 | 21 | 1 | 14 | 12 | |||
| 16 | 16 | 6 | 11 | |||||
| 5 | 6 | 12 | ||||||
| 6 | 14 | 5 | 18 | 15 | 16 | |||
| 12 | 11 | 10 | ||||||
| 13 | 8 | 18 | 6 | 8 | ||||
| 17 | 5 | 15 | 4 | |||||
| 14 | 15 |
What it takes to solve
Our grader solved this puzzle in 136 steps. Every technique it needed, in ladder order:
- Naked single× 57
- Hidden single× 21
- Cage combinations× 58
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 June 23, 2026: the daily classic. Or jump to today's killer daily.