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 ...

What types of unique rectangles are there in Sudoku?

☠️ Deadly RectangleA deadly rectangle is a situation where four cells form a perfect 2×2 block, all containing the same two candidates (say,...

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...

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：數字太小了，我可以把它們調大嗎？

改變遊戲的視覺元素有助於提高可見度：點擊數獨的底部螢幕調出 底部選單欄選擇主題 選項卡進行調整網格樣式， 背景, 字體大小， 和/或 關鍵顏色 為了 iPad玩家，玩在景觀模式意味著將裝置側向旋轉，增加遊戲空間的大小。如果你的裝置不會自動旋轉，請確保您的 iPad 螢幕鎖定 已禁...

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...

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 ...

浮動鍵鍵盤功能發生了什麼事？

數獨最近遷移到新的遊戲引擎，以及一些功能，包括浮動鍵 鍵盤，由於玩家參與度低而被刪除。應用程式一旦更新，就無法恢復到先前的版本。您有問題嗎？點擊頁面右上角或底部的按鈕向我們發送訊息。