Verified daily Sudoku challenge
Daily Sudoku for July 29, 2026
Start solvingDownload this date as a four-page PDF
Choose a difficulty and start solving. The four puzzle summaries and difficulty facts remain readable if JavaScript is unavailable.
Available through: August 15, 2026
Four verified puzzles
Easy
| | | | 5 | | 1 | | 3 | |
| 3 | | | | 8 | | 2 | | 1 |
| 2 | | | | | 4 | | 8 | |
| | | 1 | | 4 | 6 | | 5 | |
| 8 | | 5 | | | | 6 | | 3 |
| | 6 | | 8 | 5 | | 1 | | |
| | 4 | | 3 | | | | | 6 |
| 1 | | 3 | | 6 | | | | 5 |
| | 8 | | 9 | | 5 | | | |
- Puzzle ID
LDI0-118bdb404ef9e2b7164f48747654df210ee5b624- Clue count
- 32
- Unique solution
- Verified
- LDI v0 score
- 12
- Tier
- Easy
- Hardest technique
- Hidden Single
- Logical steps
- 49
Verified key step: Hidden Single: place 2 at row 1, column 5.
Medium
| 3 | | 4 | | 1 | 9 | | | |
| 6 | 7 | | | | | | 5 | |
| | | 9 | | 5 | | | | |
| 5 | | 8 | | | | 9 | | |
| 9 | | | 4 | | 8 | | | 3 |
| | | 6 | | | | 4 | | 2 |
| | | | | 4 | | 6 | | |
| | 6 | | | | | | 7 | 5 |
| | | | 3 | 6 | | 8 | | 4 |
- Puzzle ID
LDI0-2ab4305392c5ab9f3e0729d9bb9e9486864beeaa- Clue count
- 28
- Unique solution
- Verified
- LDI v0 score
- 16
- Tier
- Medium
- Hardest technique
- Hidden Single
- Logical steps
- 53
Verified key step: Hidden Single: place 5 at row 1, column 2.
Hard
| | 4 | | | | 8 | | | |
| 9 | | 7 | 1 | | | | | 6 |
| | | | | 3 | | 4 | | |
| | 6 | 4 | | 5 | | | | 9 |
| | | 8 | | 2 | | 6 | | |
| 1 | | | | 9 | | 8 | 4 | |
| | | 1 | | 8 | | | | |
| 3 | | | | | 4 | 2 | | 8 |
| | | | 5 | | | | 9 | |
- Puzzle ID
LDI0-24803251ca474153438cefd78f341844c35980f0- Clue count
- 27
- Unique solution
- Verified
- LDI v0 score
- 35
- Tier
- Hard
- Hardest technique
- Locked Candidates
- Logical steps
- 55
Verified key step: Naked Single: place 4 at row 2, column 5.
Expert
| | | | 2 | | | | 9 | |
| | | 2 | | 4 | | 8 | | 7 |
| 5 | | | | | 8 | 1 | | |
| 1 | | 6 | | | 2 | | | |
| | 5 | 8 | | | | 6 | 4 | |
| | | | 6 | | | 2 | | 1 |
| | | 7 | 5 | | | | | 4 |
| 8 | | 4 | | 3 | | 9 | | |
| | 3 | | | | 4 | | | |
- Puzzle ID
LDI0-2a20e03c65de4e75794147fc1deea8de9a297b01- Clue count
- 28
- Unique solution
- Verified
- LDI v0 score
- 64
- Tier
- Expert
- Hardest technique
- XY-Wing
- Logical steps
- 54
Verified key step: Naked Single: place 3 at row 7, column 7.
2026-07-29 · LDI v0
Play this dated challenge
LDI v0
Verified puzzle facts
- Puzzle ID
LDI0-118bdb404ef9e2b7164f48747654df210ee5b624- LDI score (0–100)
- 12
- Clue count
- 32
- Logical steps
- 49
- Hardest technique
- Hidden Single
Clue count is a board fact, not the difficulty verdict. The tier comes from this published LDI version.