What are the Sudoku rules?

PLAYING SUDOKUThe objective of Sudoku is to fill every empty square of the 9x9 grid so that each column, row, and 3x3 block contains all of ...

How do I begin a new game or restart my current game?

To begin a New Game:Tap the Sudoku game screen to raise the bottom menu barSelect the Game tabTap New Game   To Reset your current...

Where is the menu bar?

If you recently updated your Sudoku game, you can find the menu by tapping the bottom of the Sudoku screen to bring up the menu bar from the...

How do I pause the game?

Leaving the app will automatically pause your game.The game will not pause when you access any of the tabs to prevent cheating when it comes...

Android: How do I exit or pause my Sudoku game?

There is no exit or pause button in Sudoku. To exit and pause the app:1. Slide your finger up from the bottom to the middle of the scre...

How do I change the grid, background, font size, and key color?

To edit and personalize your game:  Tap the bottom of the Sudoku game screen to raise the menu barPress the Themes tabSelect your ...

How do I change the difficulty level?

To change the Sudoku difficulty level, do the following: Tap the Sudokugame screen to raise the bottom menu bar Select the Options tab Choos...

Are all Sudoku games solvable? Are there multiple solutions?

All Brainium Sudoku games are solvable and there is only one verified solution per Sudoku board. If you are stuck or need help in ...

iOS: How do I transfer my Level and Total Points to a new iOS device?

Your Sudoku Level and Total Points can be transferred over from your old iOS device to your new iOS device. To do this, make sure you're sig...

Why isn't the Scores button working on my iOS device?

The Scores button indicates Game Center connectivity. If your Scores button is not functioning, you will need to sign into Apple's Game Cent...

iOS: The numbers are too small, can I make them bigger?

Changing the visual elements of the game can help with visibility:Tap the bottom of the Sudoku screen to bring up the bottom menu barSe...

Android: The game is hard to see. Can I make the numbers bigger?

For better readability in the cells on the Sudoku board:Tap the bottom of the Sudoku screen to bring up the menu barTap the Options tabScrol...

IOS: How to I change or remove the random name that appears every time I start playing?

If you're seeing an unfamiliar name each time you launch your game, it is likely your Game Center Nickname, which can easily be changed or t...

Android: How do I change the name and image that appears at the top of my game?

The name that appears at the top of your screen when you first open your app is your Google Play Games gamer name, which is a unique us...

Can this game be solved? Why does my board have more than one solution?

All Brainium Sudoku boards are solvable and offer one unique solution. If you are finding that there may be multiple solutions present,...

I have a game suggestion or game feedback.

Have something you'd like to share? We are always looking to improve the player experience for our games.Share your feedback or suggestions ...

Android: I updated my Sudoku app, can I download the previous version I had?

Once the app is updated, it cannot be rolled back to the previous version.Our team has made thoughtful enhancements and updates to improve t...

Android: I'm seeing banner ads in Sudoku!

We recently introduced banner ads in Sudoku, which allow us to continue offering our games for free to players while also covering the ongoi...

What happened to the Floating Keys keypad feature?

Sudoku recently moved to a new game engine, and some features, including the Floating Keys keypad, were removed due to low player engag...