Free Sudoku Online
Sudoku Loop

Free online sudoku

Play Today’s Daily Sudoku

A cleaner, calmer Sudoku experience. Start instantly as a guest. No login required.

45 clues Daily Puzzle

SudokuLoop Guide

Choose Your Sudoku Level

Play free Sudoku online by difficulty level, or come back every day for the Daily Challenge. SudokuLoop is built for smooth, mobile-friendly gameplay with notes, hints, mistakes, timer, local progress, and streak tracking.

Play Today’s Sudoku Challenge

Daily Sudoku gives you one fresh puzzle each day. It is perfect for building a habit, improving your solving speed, and keeping a streak without creating an account.

How to Play

How to Play Sudoku

Fill every row, column, and 3×3 box with numbers from 1 to 9. Each number can only appear once in every row, column, and box.

👆

Select a Cell

Tap an empty cell to start solving.

🔢

Place Numbers

Use the keypad to enter numbers from 1 to 9.

✏️

Use Notes

Turn on Notes mode to mark possible answers.

🎉

Complete Puzzle

Solve all rows, columns, and boxes correctly.

Difficulty Levels

Sudoku Difficulty Levels

🌱 Easy Sudoku

Best for beginners and relaxing play with more clues.

🎯 Medium Sudoku

A balanced challenge for regular Sudoku practice.

🧠 Hard Sudoku

Requires deeper focus and stronger logic.

🏆 Expert Sudoku

Designed for experienced Sudoku players.

🔥 Daily Sudoku Challenge

One fresh Sudoku puzzle every day. Complete it to build your daily streak and come back tomorrow for a new challenge.

FAQ

Frequently Asked Questions

Is SudokuLoop free to play?

Yes. SudokuLoop is free to play on desktop, tablet, and mobile devices.

What is the Daily Sudoku Challenge?

Daily Sudoku gives you one fresh puzzle every day and tracks your streak progress.

Do I need an account?

No account is required. Your progress and stats are saved locally on your device.

Which Sudoku level should I start with?

Start with Easy if you are new, then move to Medium, Hard, and Expert as you improve.