6x6 Classic Sudoku
Puzzle In-app purchases Contains ads
Keep yourself around the complexity of 1 to 6 digits in 6x6 Classic Sudoku.
- Rating
- 4.2
- 131 ratings
- Downloads
- 25.6K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Jul 27
- 2026 · v2.1.8
Screenshots
About 6x6 Classic Sudoku
6x6 Sudoku Puzzle Game is the most welcomed and addictive puzzle game for all people around the world. In this free game, you will be offered an unsolved puzzle of Sudoku and you’ve to solve it with minimum time.
6x6 (6 by 6) Sudoku is a puzzle consists of 1 to 6 digits. For 6x6 type, there will be 1 to 6 digit. Each Sudoku has only one solution. This Mind Sharper Classic 6x6 Sudoku is for your brain, logical thinking, and memory power. It’s a TIME KILLER game.
While trying to solve Sudoku, you’ve to ensure no digit or alphabet appears twice in the same row, column or box of corresponding selected cell. In our game, you won’t only enjoy brain power, but also learn many techniques on how to solve it.
Key Features are
✓ 5 Difficulty levels Easy, Medium, Hard, Expert (for perfect Sudoku players), and Legend (for advanced players)
✓ Daily Challenges – Solve daily puzzle challenges
✓ Pencil Mode – Turn ON/OFF pencil whenever you want for hint
✓ Fast Pencil Mode – Turn ON/OFF fast pencil to write possible solutions of Sudoku in all cells with just one click
✓ Highlight Duplicates – to avoid repeating the number in row, column, and box
✓ Highlight Incorrect – to help you find right value for corresponding cell
✓ Puzzle Hint – to guide you when you fall in pretty complex situation
✓ Eraser – to erase wrong values and fill the right one
✓ Undo – to rollback your action very easily
✓ Themes - Two themes are available – Day and Night mode
✓ Intelligent Pencil Pad – With this, numbers with possible repeat won’t be written on the Sudoku board as a note.
In addition to the above, this 6x6 Sudoku puzzle game has also following features.
✓ Turn ON/OFF sound & vibration effects
✓ Unlimited Undo, Erase, and Pencils
✓ Unlimited Hints
✓ Auto Save to prevent loss of any progress made
✓ Pause/Restart/Resume whenever you want
✓ Daily new 6x6 Sudoku and Daily Challenges
✓ Clear and friendly Sudoku board layout
✓ Zero disturbing Ads during gameplay
✓ Intuitive interface
Also, this app has a robust mechanism to track your achievements and statistics. It involves following for all levels of 6x6 Sudoku puzzle,
1. Total Game Played
2. Total Win Streak
3. Best time,
4. Usage of unique game features such as hints, fast pencils, etc.
So, why you’re waiting. Just start playing it. Our 6x6 Sudoku will definitely offer you an intuitive gameplay experience you’ve never got before with any other puzzle. It’ll help you improve your way of thinking and also makes your more logical.
So, this great 6 by 6 Sudoku is for puzzle-lovers. We offer you many things that no other game makers are offering such as 6x6, fast pencil, and many more.
Lastly, if you’ve any suggestion, please feel free to write to us on [email protected].
Make your mind Sharp !
6x6 (6 by 6) Sudoku is a puzzle consists of 1 to 6 digits. For 6x6 type, there will be 1 to 6 digit. Each Sudoku has only one solution. This Mind Sharper Classic 6x6 Sudoku is for your brain, logical thinking, and memory power. It’s a TIME KILLER game.
While trying to solve Sudoku, you’ve to ensure no digit or alphabet appears twice in the same row, column or box of corresponding selected cell. In our game, you won’t only enjoy brain power, but also learn many techniques on how to solve it.
Key Features are
✓ 5 Difficulty levels Easy, Medium, Hard, Expert (for perfect Sudoku players), and Legend (for advanced players)
✓ Daily Challenges – Solve daily puzzle challenges
✓ Pencil Mode – Turn ON/OFF pencil whenever you want for hint
✓ Fast Pencil Mode – Turn ON/OFF fast pencil to write possible solutions of Sudoku in all cells with just one click
✓ Highlight Duplicates – to avoid repeating the number in row, column, and box
✓ Highlight Incorrect – to help you find right value for corresponding cell
✓ Puzzle Hint – to guide you when you fall in pretty complex situation
✓ Eraser – to erase wrong values and fill the right one
✓ Undo – to rollback your action very easily
✓ Themes - Two themes are available – Day and Night mode
✓ Intelligent Pencil Pad – With this, numbers with possible repeat won’t be written on the Sudoku board as a note.
In addition to the above, this 6x6 Sudoku puzzle game has also following features.
✓ Turn ON/OFF sound & vibration effects
✓ Unlimited Undo, Erase, and Pencils
✓ Unlimited Hints
✓ Auto Save to prevent loss of any progress made
✓ Pause/Restart/Resume whenever you want
✓ Daily new 6x6 Sudoku and Daily Challenges
✓ Clear and friendly Sudoku board layout
✓ Zero disturbing Ads during gameplay
✓ Intuitive interface
Also, this app has a robust mechanism to track your achievements and statistics. It involves following for all levels of 6x6 Sudoku puzzle,
1. Total Game Played
2. Total Win Streak
3. Best time,
4. Usage of unique game features such as hints, fast pencils, etc.
So, why you’re waiting. Just start playing it. Our 6x6 Sudoku will definitely offer you an intuitive gameplay experience you’ve never got before with any other puzzle. It’ll help you improve your way of thinking and also makes your more logical.
So, this great 6 by 6 Sudoku is for puzzle-lovers. We offer you many things that no other game makers are offering such as 6x6, fast pencil, and many more.
Lastly, if you’ve any suggestion, please feel free to write to us on [email protected].
Make your mind Sharp !
What’s new
Version 2.1.8 · Updated July 27, 2026
Bugs fixed and Performance, UI improved.
User reviews
Good
Frequently asked questions
What is the objective of the 6x6 Sudoku Puzzle Game?
The objective of the 6x6 Sudoku Puzzle Game is to solve the unsolved puzzle with minimum time.
What are the key features of the game?
The key features of the game include 5 difficulty levels, daily challenges, pencil mode for hints, fast pencil mode for quick solutions, highlight duplicates and incorrect values, puzzle hints, eraser, undo function, themes, intelligent pencil pad, and more.
How do you play Sudoku?
While playing Sudoku, you need to ensure that no digit or alphabet appears twice in the same row, column, or box of the selected cell.
What are some additional features of the 6x6 Sudoku puzzle game?
Some additional features of the 6x6 Sudoku puzzle game include the option to turn on/off sound and vibration effects, unlimited undo, erase, and pencils, unlimited hints, auto save, pause/restart/resume function, daily new Sudoku challenges, clear board layout, no ads during gameplay, and intuitive interface.
What achievements and statistics can be tracked in the game?
The game tracks total games played, total win streak, best time, and usage of unique game features such as hints and fast pencils.
Who should play the 6x6 Sudoku puzzle game?
The 6x6 Sudoku puzzle game is for puzzle-lovers and anyone looking to improve their logical thinking and problem-solving skills.
How can I contact the game developers?
If you have any suggestions, you can write to the game developers at [email protected].
Alternatives to 6x6 Classic Sudoku
Looking for apps like 6x6 Classic Sudoku? Here are 5 similar Android apps on Google Play. The highest rated is Web Sudoku (4.5/5), and all 5 are free to download.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| 6x6 Classic Sudoku | 4.2 / 5 | Free | 10,000+ | Jul 27, 2026 | |
| Sudoku - Classic Sudoku Puzzle | – | Free | 5,000+ | Oct 4, 2026 | Compare |
| Multi Math | – | Free | 50+ | Nov 9, 2020 | Compare |
| Brain Training | 4.2 / 5 | Free | 100,000+ | Oct 29, 2021 | Compare |
| Web Sudoku | 4.5 / 5 | Free | 100,000+ | Dec 11, 2017 | Compare |
| Color Zen | 4.1 / 5 | Free | 1,000,000+ | Jan 16, 2019 | Compare |
Compare 6x6 Classic Sudoku with the top alternatives: ratings, updates, ASO score and keyword gaps →