Andoku Sudoku 2

Contains adsIn-app purchases
4.7
32.5K reviews
1M+
Downloads
Content rating
Teen
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About this game

Andoku Sudoku 2 is an outstanding sudoku number puzzle game with an intuitive user interface for beginners and professionals alike.

It offers 6 sudoku variations, 8 levels of difficulty and comes with a total of 10,000 puzzles. All sudoku puzzles have a unique solution that can be discovered without guessing.

Game variations:

• Standard Sudoku
• X-Sudoku
• Hyper Sudoku
• Percent Sudoku
• Color Sudoku
• Squiggly Sudoku (Jigsaw)

Key features:

• Autosave
• Pencil marks
• Several input modes
• Unlimited undo and redo
• Portrait and landscape mode
• Supports phones and tablets

The game can be configured to offer as much or as little assistance as you like.

Assistance options include:

• Automatic error checking
• Automatic pencil mark removal
• Highlighting to reveal patterns

This version is supported by ads.
Updated on
Jul 17, 2025
Available on
Android, Windows

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
28.9K reviews
Pam !
August 19, 2020
Love that user can turn off the highlight colors with a touch as needed so they do not distract. Love the choice to high light pencil marks or not. Love the ability to pause. This is my favorite of all the Suduko games I've tried, almost like it was created just for me. I figured out how to delete the data so no problem now. But it would be nice to have that option programmed into the app one day!
29 people found this review helpful
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Neil Dylan
December 10, 2024
I really enjoy Sudoku, and this app has several more challenging versions (for example also requiring digits 1-9 diagonally) that are fun. Includes multiple levels of difficulty in each type of puzzle and multiple ways to enter digits, as well as optional hints. Definitely recommend for those who like Sudoku and to keep their minds sharp.
2 people found this review helpful
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Julie
June 23, 2020
Hi there. Puzzle "very easy #2" is unable to be completed. When entering the number 4, in the middle section of boxes, the numbers are hard coded incorrectly.You cannot put number 4, in the only space it can go, because then it says it's a duplicate. Please fix! Otherwise it's a good game.
7 people found this review helpful
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Markus Wiederkehr
June 24, 2020
I can assure you that every puzzle in this game is valid and has a unique solution! Please use the check function (question mark) to verify your input. You can also contact me via email at a2@andoku.com.

What’s new

• Added support for Android 16
• Added licenses report to settings page
• Removed support for full-screen mode
• Updated library dependencies