Verified daily Sudoku challenge
Daily Sudoku for July 27, 2026
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Available through: August 15, 2026
Four verified puzzles
Easy
| 6 | | | | | | 2 | | 7 |
| 1 | | | | | 2 | | 5 | |
| 3 | | 8 | | | | | | |
| | | 7 | 3 | | 4 | | | |
| | | 4 | 9 | 2 | | | | |
| | 5 | | | | | | 9 | |
| | 1 | | 8 | 7 | | 6 | 3 | |
| | | | | 3 | | 8 | | 5 |
| | | | | | | | | |
- Puzzle ID
LDI0-0ddc57be6b139a03b93087f7a2968c85f1412fae- Clue count
- 24
- Unique solution
- Verified
- LDI v0 score
- 6
- Tier
- Easy
- Hardest technique
- Hidden Single
- Logical steps
- 57
Verified key step: Naked Single: place 9 at row 2, column 3.
Medium
| | | | | 9 | | | 4 | |
| | | 9 | 6 | | | | 8 | 7 |
| | 4 | | 2 | | 7 | | | |
| 9 | | | | | 8 | 7 | | |
| 3 | | 5 | | | | 9 | | 4 |
| | | 7 | 3 | | | | | 2 |
| | | | 9 | | 5 | | 2 | |
| 1 | 9 | | | | 3 | 5 | | |
| | 7 | | | 6 | | | | |
- Puzzle ID
LDI0-27d01807db545192526738009529802e63b0073d- Clue count
- 28
- Unique solution
- Verified
- LDI v0 score
- 19
- Tier
- Medium
- Hardest technique
- Hidden Single
- Logical steps
- 53
Verified key step: Naked Single: place 1 at row 1, column 6.
Hard
| | | 5 | 3 | | 9 | 6 | | |
| 3 | 1 | | | | | | | |
| | 2 | | | | | 3 | 4 | |
| | | 7 | 8 | 6 | | | | 4 |
| | | | | | | | | |
| 2 | | | | 3 | 5 | 7 | | |
| | 7 | 9 | | | | | 3 | |
| | | | | | | | 7 | 6 |
| | | 3 | 4 | | 2 | 9 | | |
- Puzzle ID
LDI0-1cb1ffececdc46691f5a1ea7ec75e9bbd6b04786- Clue count
- 26
- Unique solution
- Verified
- LDI v0 score
- 24
- Tier
- Hard
- Hardest technique
- Hidden Single
- Logical steps
- 55
Verified key step: Naked Single: place 1 at row 4, column 6.
Expert
| | 5 | | | | | | 3 | 8 |
| | | | | | | 2 | | |
| | | 8 | 5 | | 3 | | | 6 |
| | 8 | | 9 | 7 | | | 5 | |
| 2 | 1 | | | | | | 7 | |
| | | 9 | 2 | | | 6 | | |
| 6 | | | | | 9 | | 1 | |
| | | 5 | 4 | | | | | 9 |
| | | | | | | 5 | | |
- Puzzle ID
LDI0-2426ce900892409fd7bc847e6b00dea61f00dbe6- Clue count
- 25
- Unique solution
- Verified
- LDI v0 score
- 70
- Tier
- Expert
- Hardest technique
- Naked Pair
- Logical steps
- 65
Verified key step: Hidden Single: place 5 at row 2, column 9.
2026-07-27 · LDI v0
Play this dated challenge
LDI v0
Verified puzzle facts
- Puzzle ID
LDI0-0ddc57be6b139a03b93087f7a2968c85f1412fae- LDI score (0–100)
- 6
- Clue count
- 24
- Logical steps
- 57
- Hardest technique
- Hidden Single
Clue count is a board fact, not the difficulty verdict. The tier comes from this published LDI version.