Here are 33 very difficult sudokus for those of you who accept the challenge. To solve them one must think deep, and use several kinds of logical reasoning. See the developer's page for more information on level 4 sudokus.
If you plan to spend hours on solving sudokus you should definitely afford an ad-free hi-quality App with selected sudokus!
* Library with 33 carefully selected level 4 sudokus.
* User-interface that also can be operated by fat fingers.
* Unlimited undo- and redo- memory.
* Hi-light all digits of some kind, for exemple all 5:s
* Ability to make small notes in every cell (pencil marks).
Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.
Deep Thought Sudokus is a free trial software application from the Action subcategory, part of the Games & Entertainment category.
The app is currently available in English and it was last updated on 2012-08-01. The program can be installed on iOS.
Deep Thought Sudokus (version 1.5) has a file size of 1.36 MB and is available for download from our website.
Just click the green Download button above to start. Until now the program was downloaded 1 times.
We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.