DAILY SUDOKU · HARD

Daily Sudoku for August 1, 2026

Everyone receives puzzle 20,667 from the validated 25,000-puzzle catalogue. Solve accurately, compare your result after finishing and keep your streak locally.

Today’s challenge

Difficulty: Hard. Use candidate notes and ask Genius Coach for a logical explanation if you become stuck. The challenge can be resumed after a refresh.

Daily solving habit

Scan boxes with the most givens first, then compare missing digits across their intersecting rows and columns. Record candidates only when a value is not yet forced.