Sudoku Puzzle Cube is a unique twist on the classic Sudoku game, designed for Android devices.
Instead of the standard flat Sudoku grid, this version brings a 3D cube-style visual theme that makes gameplay fresh and engaging.

Built in native Android using Kotlin/Java, the project is lightweight, well-structured, and fully customizable.
It’s perfect for developers who want:

A ready-to-publish mobile puzzle game

A solid code base for creating their own Sudoku variations

A project already set up for monetization with AdMob ads

🎮 Unique 3D Sudoku Gameplay – A fresh twist on the classic Sudoku puzzle with a cube-style design.

📱 Fully Native Android App – Built with Android Studio using Kotlin & Java for smooth performance.

🎨 Clean & Modern UI – User-friendly layout with responsive design for phones and tablets.

🧩 Multiple Difficulty Levels – Suitable for beginners to Sudoku experts.

💰 AdMob Integrated – Banner and interstitial ad placements ready (with test IDs).

🔧 Easy Reskin – Change colors, images, and text easily to create your version.

🗂 Well-Structured Code – Clean project architecture with clear comments.

📦 Full Source Code Included – No hidden libraries or paid plugins required.

🌐 Offline Play Supported – Works without an internet connection.

🚀 Ready to Publish – Just replace assets, update package name, set your ads, and upload.

🧩 3D interactive Sudoku cube with smooth controls

🌈 Distinct colored faces (Red, Orange, White, Yellow, Green, Blue)

🔢 Three difficulty levels: Easy (15 shuffles), Medium (30), Hard (50)

⏱️ Built-in timer to track puzzle completion time

💰 AdMob integration (Banner + Interstitial ads every 5 minutes)

📺 Broad compatibility: Android phones, tablets, Fire TV, Android TV, and Android Automotive

Android Studio (latest stable version)

Kotlin & Java basic knowledge (for customization)

Gradle build system (comes with Android Studio)

AdMob account (only if you want to display ads)

Device or emulator running Android 5.0 (Lollipop) API 21 or higher

Internet connection (required only for ads; gameplay works offline)

Download & Install Android Studio

Install the latest stable version from https://developer.android.com/studio.

Open the Project

Unzip the source code.

In Android Studio, select File → Open and choose the project folder.

Change the Package Name

In Android Studio, right-click your package in the java folder → Refactor → Rename.

Update in AndroidManifest.xml and build.gradle if needed.

Replace App Name & Icon

Update the app name in res/values/strings.xml.

Replace icons in res/mipmap- folders with your own.

Configure AdMob Ads (Optional)

In strings.xml, replace the test AdMob IDs with your own live IDs from your AdMob account.

Make sure to follow Google AdMob policies before publishing.

Build the APK / App Bundle

Select Build → Build Bundle(s) / APK(s) → Build APK(s).

The output APK will be in the app/build/outputs folder.

Test on a Device

Install the APK on a phone or tablet to ensure everything works as expected.

Publish to Google Play

Sign your app in Android Studio → Build → Generate Signed Bundle/APK.

Upload the signed AAB or APK to the Google Play Console.