Daily Killer Sudoku June 26, 2026
The same puzzle everyone got on June 26, 2026 — deterministic, graded, and still playable.
| 18 | 21 | 4 | 14 | 14 | ||||
| 17 | 4 | 7 | 10 | |||||
| 19 | 6 | 21 | 7 | |||||
| 20 | 13 | |||||||
| 15 | 8 | 7 | ||||||
| 7 | 10 | 1 | 13 | 26 | ||||
| 10 | 5 | 6 | 22 | 10 | ||||
| 11 | 15 | 8 | ||||||
| 9 | 7 | 5 | 136 | 2 |
What it takes to solve
Our grader solved this puzzle in 139 steps. Every technique it needed, in ladder order:
- Naked single× 63
- Hidden single× 17
- Cage combinations× 59
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 26, 2026: the daily classic. Or jump to today's killer daily.