Verified daily Sudoku challenge

Daily Sudoku for August 8, 2026

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

84
318
532
729
4519
861
365
126
79
Puzzle ID
LDI0-25453765ae40dc3d73abee6ab9042db925aa32ef
Clue count
26
Unique solution
Verified
LDI v0 score
14
Tier
Easy
Hardest technique
Hidden Single
Logical steps
55

Verified key step: Naked Single: place 6 at row 5, column 1.

Medium

537
954
8139
753
946
6831
645
579
Puzzle ID
LDI0-5516b399f2daa35b3959a083df26710dba83dab0
Clue count
26
Unique solution
Verified
LDI v0 score
16
Tier
Medium
Hardest technique
Hidden Single
Logical steps
55

Verified key step: Naked Single: place 2 at row 3, column 8.

Hard

971
253
918
341
567
2486
419
6937
Puzzle ID
LDI0-3502a355722b524cdb08ab543347f116521d7b38
Clue count
26
Unique solution
Verified
LDI v0 score
35
Tier
Hard
Hardest technique
Locked Candidates
Logical steps
56

Verified key step: Hidden Single: place 7 at row 6, column 1.

Expert

7
261
85
5719
9184
3
27396
643
Puzzle ID
LDI0-42d3c46a2160e7b8e962386aa7779bb2a86e458a
Clue count
23
Unique solution
Verified
LDI v0 score
75
Tier
Expert
Hardest technique
Hidden Pair
Logical steps
67

Verified key step: Hidden Single: place 4 at row 8, column 2.

2026-08-08 · LDI v0

Play this dated challenge

LDI v0

Verified puzzle facts

Puzzle ID
LDI0-25453765ae40dc3d73abee6ab9042db925aa32ef
Difficulty model
LDI v0
LDI score (0–100)
14
Clue count
26
Logical steps
55
Hardest technique
Hidden Single

Clue count is a board fact, not the difficulty verdict. The tier comes from this published LDI version.

One verified step

Logic Coach

Leave this puzzle?

Your current progress will be cleared before a new puzzle starts.