Daily Killer Sudoku June 28, 2026
The same puzzle everyone got on June 28, 2026 — deterministic, graded, and still playable.
| 8 | 21 | 11 | 8 | 12 | 12 | |||
| 3 | 14 | 18 | ||||||
| 4 | 14 | 11 | 12 | 8 | ||||
| 20 | 23 | |||||||
| 13 | 13 | |||||||
| 101 | 13 | 17 | 12 | 18 | 17 | |||
| 18 | 3 | |||||||
| 12 | 7 | 6 | 16 | |||||
| 167 | 7 | 8 |
What it takes to solve
Our grader solved this puzzle in 122 steps. Every technique it needed, in ladder order:
- Naked single× 54
- Hidden single× 25
- Cage combinations× 43
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 28, 2026: the daily classic. Or jump to today's killer daily.