Sudoku by Brainium – Compete with yourself

[Game] Sudoku by Brainium

Sudoku by Brainium  Sudoku by Brainium is the #1 Sudoku game for Android phones and tablets, and the best way to learn and improve your skills in this classic puzzle game.

Enjoy our beautiful, user-friendly sudoku, and improve your skills with the world’s most friendly and complete mobile sudoku learning system.

Our “Hint” button can teach you the techniques you need to make progress in this challenging brain game. The instructions are easy to understand and unique for every puzzle- with helpful animations and colorful visuals. The hints don’t just give you the answer, they help you learn the “why” behind the answer. This feature will help you learn all the techniques you need to solve Sudoku puzzles whether you’re a complete novice playing your first game, or you’ve progressed all the way to expert difficulty.

Enjoy a clear, easy to read, and customizable soduku board with visual guides that make glancing at the possibilities a breeze.

Our input system is designed to make entering solutions and notes magically simple and our friendly scoring system allows you to compete with yourself or your friends regardless of skill level.

Sudoku by Brainium will be the most beautiful, learnable, and user-friendly soduko game you’ve ever played, and it’s completely free!


The world’s most advanced Sudoku learning tool
The hints not only give you the answer but explain why the answer is what it is
Five perfectly balanced difficulty levels
Two beautiful grid styles
Choose light or dark grid fonts with adjustable size
Endless collection of masterfully crafted puzzles
Useful statistics to keep track of your progress
Unlimited Undo/Redo
Auto-Fill Notes Option
Auto-Clear Notes Option
Auto Error-Checking Option
Portrait and Landscape Views
Advanced game options and notes
Five gorgeous themes
Universal App looks great on both phones and tablets
Global and friend leader boards
Portrait and landscape play options
Right or left handed option in landscape

We hope you enjoy Sudoku Free by Brainium, and please contact our five star support if you have any questions :-)

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Sudoku by Brainium user reviews :

Fine Sudoku game, but way too many commercials. You try to start a game and you have to watch an ad. This is to be expected. These companies need to make money. However, if you pause the game you have to watch another ad to continue. Doesn’t matter if you JUST started and paused for 5 seconds. You still have to watch a 30 second video. 5-10 seconds would be acceptable. I’m on the verge of uninstalling the game because of this. Very frustrating.
  • Brainium Studios
  • Thanks for your review, we apologize for any frustration caused by the ads! We run them to keep the game free and to pay our development team to make constant improvements :) We make an ad-free version that can be found here:

The app is good and solid. I haven’t had issues with crashes or losing any data. The hints are helpful, and explain the logical deductions. I’ve become a better Sudoku player. The ads can be annoying, but it’s a free game.

As an intermediate sudoku player who finds easier games really boring but is trying to understand the techniques needed for solving ‘expert’ level puzzles, I’m finding the step by step hints extremely useful. I haven’t found the adverts unbearable, but haven’t been using the app long either.

I’ve always enjoyed Sudoku – and this version is no exception. My only issue is I had ahut off the ‘check errors’ button, but games will continue to not let me insert a number in as a note if it cannot go there. Makes even the harder modes a tad too easy for my taste, but absolutely a great app for people learning Sudoku!
  • Brainium Studios
  • Sorry for any distress this has caused! This feature can be turned off in the menu’s Options tab under ‘Auto-Check for Errors’. Enjoy!
Good Sudoku game, but a recent “Wordscapes” ad comes without an obvious “X” to leave the ad and start a round of Sudoku. Normally there’s an X, but this Winter-themed interactable ad (in August?) seems to want me to actually play it before showing me a way out. I refuse to do so, and have to restart the app and hope I don’t get the same ad. I’m looking for an alternative to this app because that’s not an ad I’ll tolerate.
  • Brainium Studios
  • Sorry to hear about this, we’d like to ensure this ad is out of the game. If you are still seeing it, will you please let our support team know by emailing us at support[at] with details? We look forward to removing this soon!
The level of challenge is excellent, better than others I’ve tried. Love the scoring and levels, makes the game addicting! I sometimes have difficulty with the notes when trying to go too quickly (to beat the timer)… you end up erasing numbers rather than inserting them. Maybe it’s my tablet, I can’t be sure. I got used to another Sudoku that had two separate number pads for notes and number entry; I sometimes enter a number by mistake here when switching between the two modes.
  • Brainium Studios
  • Hey Frank! This may be the Notes style you are referring to. This can be adjusted under the Menu’s Options tab. For additional support, contact us at support[at]

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