Action-horror, where you continue to play as the mercenary, which was sent to the secret laboratory for to get the workings out. While you were searching for the necessary documents, something terrible has happened... Virus has broken loose! Those people who was able to stay alive, gathered into the groups and tried to resist infected. Scientists were trying to find the necessary information about the disease and invent an antivirus. Fight for the surviving began! But you do have got everything to stop the epidemic.The results of the runaway experiment at large. Object B-18 is destroyed, but the mischief has broken loose - the mischief that destroys everything on its way, changed all living things into dead. How can we stop the epidemic right now. Or there is the only way - to try to survive?

// Option A //

To download Dead Bunker 4: Apocalypse mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Dead Bunker 4: Apocalypse 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 Dead Bunker 4: Apocalypse 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 Dead Bunker 4: Apocalypse in HappyMod App.