Verified daily Sudoku challenge
Daily Sudoku for July 22, 2026
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Available through: August 15, 2026
Four verified puzzles
Easy
| | 2 | | | | 7 | | | |
| 6 | 5 | | | 9 | | 1 | 2 | |
| | 4 | | 3 | | | 5 | | |
| 4 | | | 6 | | | | 9 | |
| | | | | | | | 7 | |
| | | | | | | 2 | | 8 |
| | | | 1 | | | | | |
| 5 | | | 9 | 6 | | | | |
| 9 | | | | 3 | 8 | 6 | | |
- Puzzle ID
LDI0-078a77bd379c7ffc5b338275b9d23d4c0b7f5e95- Clue count
- 24
- Unique solution
- Verified
- LDI v0 score
- 11
- Tier
- Easy
- Hardest technique
- Hidden Single
- Logical steps
- 57
Verified key step: Naked Single: place 4 at row 2, column 6.
Medium
| | 6 | | 3 | | | 1 | | |
| 8 | 3 | | 1 | | 6 | | | 5 |
| | | | | | | | | 9 |
| | | | | 3 | 5 | | | |
| | 1 | 3 | 2 | | 7 | 9 | 5 | |
| | | | 6 | 8 | | | | |
| 4 | | | | | | | | |
| 9 | | | 4 | | 2 | | 6 | 7 |
| | | 1 | | | 8 | | 9 | |
- Puzzle ID
LDI0-174137e44c050f5d32ff47a2c34f7c6a9b7f4017- 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 4 at row 3, column 6.
Hard
| | | | 3 | 5 | 9 | | | 4 |
| 1 | | | | | | | | |
| | | | 4 | | 2 | | 9 | |
| 3 | | | | | 1 | | | 8 |
| | | | 9 | | | | 7 | |
| 7 | | 5 | 8 | | 3 | 4 | | |
| 2 | | | | | 8 | | 5 | |
| 5 | | | | | | 3 | | |
| | 1 | | | | | | | |
- Puzzle ID
LDI0-13880011a95f1761fb9dd940d69d23284570166c- Clue count
- 24
- Unique solution
- Verified
- LDI v0 score
- 24
- Tier
- Hard
- Hardest technique
- Hidden Single
- Logical steps
- 57
Verified key step: Hidden Single: place 3 at row 5, column 9.
Expert
| 6 | 5 | | | 9 | 7 | | | 8 |
| | | | | | | | | |
| | | | | 4 | | 1 | | |
| 4 | | | | 6 | | | | |
| | | | | 1 | | 5 | 4 | |
| 3 | | 8 | | | | | | 9 |
| | 9 | 7 | 3 | | | | | |
| | 8 | | 9 | | | | | 3 |
| | | | | | | 6 | | 5 |
- Puzzle ID
LDI0-16fa737582509950ea3769f3ef1474f7fd505691- Clue count
- 23
- Unique solution
- Verified
- LDI v0 score
- 75
- Tier
- Expert
- Hardest technique
- Hidden Pair
- Logical steps
- 65
Verified key step: Hidden Single: place 3 at row 5, column 6.
2026-07-22 · LDI v0
Play this dated challenge
LDI v0
Verified puzzle facts
- Puzzle ID
LDI0-078a77bd379c7ffc5b338275b9d23d4c0b7f5e95- LDI score (0–100)
- 11
- 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.