Fill the 9×9 grid with digits 1–9 so that each row, column, and 3×3 section contains all numbers without repetition.

Some numbers are given at the start – use logic to fill in the missing ones.

Avoid repeating numbers in the same row, column, or 3×3 box.

Complete the puzzle when all spaces are correctly filled.

Daily Puzzles: Endless variety keeps your brain engaged.

Difficulty Levels: Choose from easy, medium, hard, and expert challenges.

Logic-Driven Gameplay: No math required, only reasoning skills.

Instant Feedback: Spot mistakes and refine your strategy as you play.

Start with rows, columns, or boxes that have the most numbers already filled in.

Look for ‘hidden singles’ – numbers that can only fit in one place.

Use pencil marks to keep track of possible options.

Don’t guess! Logical deduction is always the best path.