Hey-ho, hey-ho, it's it's time to sling, duck, and shuffle
Topple your tallest tower record. Test your timing, tempo and skills, and dodge death as you swoosh and switch sides with your builder buddies.
Stack ‘em high, crouch down low, and don't forget: it takes two to tango. BUILD IT UP.

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About Permissions:

In Build it Up, we require a few permissions that allow this game to operate and enhance your experience:

Phone: Reading your phone status allows your phone to take calls while the game is running.

Storage: Accessing storage allows you to save your game progress. It also allows us to present you with non-disruptive, incentivized video ads that you can choose to watch in order to receive gifts and set new high scores.

Thanks for your understanding :D
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// Option A //

To download Build it Up mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Build it Up mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Build it Up from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Build it Up in HappyMod App.