An unknown virus spread quickly, almost wiped out all humans, and there were zombies everywhere, and you survived as a survivor. In this zombie apocalyptic wasteland, you rescue other survivors from the siege of the zombies and protect them, establishing the final shelter of humanity. But more and more zombies began to attack the city day and night, and in the darkness in the distance, more terrifying figures appeared ...

HOW TO PLAY
- Arrange the turret defense line, defeat the invading zombie army and collect gold.
- Upgrade turrets, strategically match various turrets and defend against different zombies.
- Defeat multiple bosses and unlock more advanced weapons and technology.
- Even if the game is closed, the turret is already guarding the shelter and collecting gold, don't forget to come back and upgrade them.

// Option A //

To download Royal Defense: Zombie War mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Royal Defense: Zombie War 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 Royal Defense: Zombie War 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 Royal Defense: Zombie War in HappyMod App.