• Sudoku Shelf 1
  • Sudoku Shelf 2
  • Sudoku Shelf 3
  • Sudoku Shelf 4

Sudoku Shelf

Sudoku Shelf is a sudoku puzzle game.
Features:Different puzzle types: 4x4, 6x6, 9x9, 12x12Five levels of difficultyUndo & Redo functionsNotesHint functionStatisticsTablet support

For each completed puzzle you will get points. The score depends on the puzzle difficulty level, time spent on this game. Attention! For each hint, your score will decrease by half.

Sudoku puzzle consists of a grid with digits. The grid may be different sizes (6x6, 9x9, 12x12 etc.). Depending on the size the grid is divided to regions (2x3, 3x3, 3x4 etc.).

At the beginning, the puzzle provides a partially completed grid, which typically has a unique solution.

The objective is to fill a grid with digits so that each column, each row, and each of the regions contains all of the digits from 1 to the number of the grid size. The same number must not appear twice in the same row, column or in any of the regions.

Application developers are not responsible for any direct or indirect losses which have arisen or may arise related to using this application.

contacts: [email protected]

Pro Active App, www.sudokushelf.com © 2012

Category : Puzzle

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Reviews (29)

Ain. O. Jun 10, 2019     

I love 12x12 sudoku and there are very few apps out there with 12x12 grids. So when I found this I was delighted. After working perfectly, it spontaneously wouldn't start or resume a game in the hard 12x12 sudoku, it was constantly force closing so started working on the easy option but now it's not working and persistently force closes. I sent through a feedback twice now. I'll be uninstalling if not fixed soon. Very disappointing as the game has a good UI and ads are unobtrusive.

Joh. S. Nov 26, 2021     

The top half of the 1st row is dark (not white), thus it is difficult to see the pencil marks. It should have an option to fill and delete pencil marks automatically.

Jen. H. Mar 6, 2018     

I love the variety of levels and gameplay, however I wish that you could change the background color. I have vision issues and the green on green is rough on my eyes. If this gets changed, there will be 5 stars. I use a few Pro Active Apps and have not been disappointed with any of them!

Chr. K. Jan 14, 2018     

Would have given 5 stars but they just need to leave the background white. That green in green messes me up

Cha. W. Feb 22, 2017     

I like that there are is a variety of puzzles to work on from 4×4 to 16×16 with levels from easy on up it also has a hint button and pencil marking options

yas. e. Jul 6, 2016     

So good! I havent seen any apps like this. Thanks a lot😍

Min. A. Jun 22, 2016     

Really alot of fun!

A. G. u. Oct 21, 2012     

I have tried few of them and so far this one’s the best. Fun to play and challenging. I like the idea of progress from easy to more difficult level. In terms of improvement, please add more themes, the default colors can be destructing. Let the user select difficulty level instead of forcing them to progress from easy to more challenging. I'd pay a reasonable price for an ad free version.

Tif. B. Jan 14, 2013     

Everyone can learn the rules of sudoku and become a master with this easy to use app. The game starts with a very easy 4x4 grid and highlights boxes or rows that are correct as the user plays. The game also alerts the user when they have used a number incorrectly in the grid. Each level gets progressively harder and there are also many different grid size options. This game is great for everyone from the sudoku novice to the mastermind.

A. G. u. Nov 12, 2012     

This sudoku app is awesome and unique. What I like about this app is that it lets you choose the number of grids and work on smaller puzzles. That can be useful to someone who is new or who does not have time for a big puzzle. People who do not normally like sudoku might feel different after pkaying this. I also LOVE the layout and how it makes nice sounds when you get numbers correct. If your new to sudoku or looking for a more fun version of it then you must get this app. Sincserely Akexander R.

A. G. u. Oct 23, 2012     

The puzzles are nice, I don't mind the sounds or the colors, but the ads obscure the bottom row of buttons on my vortex's little screen, making those tricky to use. Frequently I end up hitting the ad instead of the numbers & only the tops of the numbers themselves are even visible.

A. G. u. Oct 17, 2012     

This app provides lots of sudoku puzzles in many difficulty levels. My only complaint is the gameplay settings or lack thereof. I like the sound when I hit a Burton because I'm a huge fan of auditory feedback on touchscreens. Unfortunately there is no option to turn if just the reward sounds and keep the ticking noise when you hit a button. Also, I dislike how the board lights up when you select a certain number as I find it distracting rather than helpful. add those and it's five stars

Jen. P. Jul 10, 2013     

I like being able to see what my best time vs. My average time for that level and every level. Only thing I don't like is that the lower line of numbers to choose from is smaller & thus harder to select or even to select the right one. If not for that I'd give it a full 5 stars.

Pat. P. May 9, 2015     

I've always loved this game. I've downloaded it to many different phones. But now it force closes if I try to open a game to play. I've uninstalled and reinstalled, but it's still doing it. Makes it unusable and a waste of space. Lame :-\

A. G. u. May 12, 2013     

A fun game to pass time. It would be five stars if the ads didn't cover up the numbers on the bottom of my screen, it makes it really annoying to have to try and tap the sliver of a number under an ad.

Tif. B. Nov 4, 2014     

Fun app, keeps me busy.... A little too easy. Some free apps are loaded with ads, this only has one every round you start... However, it's annoying though, usually pops up when you go to do in a number and it takes you to the ad site.

Tam. V. Jul 29, 2013     

Great app for beginners and kids, love that it starts off easy. Really fun app. Would have been 5 stars but i really dont like ads that take up the whole screen and make u close them out before you can play.

JoA. M. Jun 20, 2014     

I love the fact that they tell you how many of each number has been used. I've never played a 12 block puzzle before. I've played the traditional 9 box and the 16 and 25 blocks, but this 12 block was refreshing to play. Need more 16 and 25 block games to play. Thanks

Kim. T. Jun 17, 2013     

Would be great if games could be time boxed. ..run out of I take too long.

Chr. J. Feb 26, 2013     

Most other sudoku are easy to solve. This has great challenges & lots of puzzles.

And. B. Apr 22, 2013     

This game offers my low level of game comprehension a good time....haven't seen a glitch yet knock on wood

A. G. u. Oct 19, 2012     

Good way to pass time also it's a good challenge once u get to a higher level and easy to use.

A. G. u. Nov 7, 2012     

Fun game. Really like the different proportions for the different puzzles. App size is rather large though.

She. F. Aug 22, 2015     

Didn't like this type of game at first, but with practice I'll enjoy such a game.

A. G. u. Nov 22, 2012     

I've got a mini Samsung galaxy 333 or something like that and I was just asking us this app free

Jam. O. Jul 15, 2014     

This is terrible when playing 4x4 6x6 ads keep coming one after another not stop till it was impossible to start playing. Cannot believe Google stoops so low with ads hijacking

A. G. u. Oct 16, 2012     

This is cute and fun. I like how you have to finish one puzzle before it unlocks the next

Mar. C. Sep 27, 2015     

Like that this App allows transition from easy to difficult games.

A. G. u. Feb 24, 2013     

Good. Don't like the way it "checks" ur answer every time you complete a row/box; wish it would do it in the background and only notify if it's wrong.