Automotive Deals BOTYSFKT Amazon Fashion Learn more Discover it $5 Albums Fire TV Stick Health, Household and Grocery Back to School Ruby jewelry Amazon Cash Back Offer harmonquest_s1 harmonquest_s1 harmonquest_s1  Amazon Echo  Echo Dot  Amazon Tap  Echo Dot  Amazon Tap  Amazon Echo Introducing new colors All-New Kindle Oasis AutoRip in CDs & Vinyl Water Sports

Get this app

Please sign in before purchasing (Why?)

Sign in

Andoku Sudoku 2 Free

by Markus Wiederkehr
Rated: All Ages

Price: Free Download
Sold by: Amazon Digital Services LLC
Available instantly

This app needs permission to access:

  • Open network sockets
  • Access information about networks
See all Application Permissions

By placing your order, you agree to our Terms of Use


Latest Updates

What's new in version 3.0.5 A
  • Replaces "More" button with a standard toolbar.
  • Many minor changes and improvements.

Product Details



Product Features

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

Product Description

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.

Technical Details

Size: 3.9MB
Version: 3.0.5 A
Developed By: Markus Wiederkehr
Application Permissions: ( Help me understand what permissions mean )
  • Open network sockets
  • Access information about networks
  • Access information about Wi-Fi networks
  • Read from external storage
  • Write to external storage
Minimum Operating System: Android 4.0
Approximate Download Time: Less than 30 seconds

Customer Reviews

Top Customer Reviews

Verified Purchase
Not only does this app work like a charm, it's also a lot of fun and boasts an excellent interface and multiple varieties and skill levels. Across all the platforms I currently own/use, this is my favorite of all the Sudoku games I've tried. It's just so simple to fill in the numbers and just works so smoothly.
Comment 152 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
I love sudoku, and when I downloaded this one onto my Fire, I fell in love immediately. Its layout is well thought out, with a space for both the puzzle and for selecting the answers. It also has a feature (which I am sure I can turn off if I want to) of highlighting all the other similar numbers out there, which helps me see what I have to do next. I am going to delete my other Fire Sudoku now, because this one is so much better. And the price is right too.
Comment 173 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
This has the best interface I've seen - facilitates fast entry of notes and answers. Graphics are clean and pleasing. The variety of puzzles types keeps it fresh, and there are more difficulty levels to choose from. This is my favorite out of around five different apps I've used on the ipad, kindle, and kindle fire.
Comment 104 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
All of the positive remarks that others have written apply: it is easy to play, has a great format, etc. Its features such as highlighting numbers already inserted, indicating when an inserted number conflicts with a former entry, etc are also great assets to help one overlook entry errors. I agree that instructions are somewhat vague (almost lacking entirely), so here are some tips. Some reviewers complained that the difficulty level cannot be controlled, which is not true. TO CHANGE THE DIFFICULTY LEVEL, when you finish a game, instead of clicking on the Next Game button,tap the back arrow until you see NEW GAME listed as an option. Click on NEW GAME. Here you control what difficulty level you want the new game to be in. It's as simply as that! ANOTHER TIP: if you are curious as to how you're doing or the check if you have any errors, tap the question mark. It will tell you if you have any errors. ANOTHER TIP: to delete numbers, simply tap the X and then go about tapping on the numbers you want to delete. If you want to put in "pencil marks" click on the number and the pencil, and again go about adding numbers where you want them.

Hope some of these suggestions help to eliminate any confusion or frustration.
Comment 20 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
this was the first sudoku app I tried. Now all others are compared to it and leave a lot to be desired. it is easy to check for errors without the app filling in the correct entry. There are several levels and lay outs. I easily find myself spending more time than i intended with sudoku. Good job, developer!
Comment 12 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
Minus two stars because many ads on the free version are made to con the user, for example by telling them their phone is infected with a virus, or they have a new facebook message. this app is very popular now, why doesn't the author work with legitimate advertisers instead of scammers?
Comment 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
By D. OBrien on March 11, 2016
Verified Purchase
Great variety and ease.
Comment 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse
Verified Purchase
I have more than a dozen Sudoku games and not one has a faster intrface than Andoku. You choose your number first and decide if you're ging to enter it or pencil it. Whichever you choose you can mark every box in seconds simply by tapping it. It then keeps frack of your fastes an average time at every one of its 6 levels.
Comment 6 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback.
Sorry, we failed to record your vote. Please try again
Report abuse


Look for Similar Items by Category