Hundreds of automated doomsday machines have been unleashed on the city. Survive waves of onslaught using your dodging skills and a variety of ridiculous special moves. Where did the mysterious bomb-dropping, laser-spewing machines come from? What is the Ultimate Briefcase? And what is in it?

• Unlock a cast of unique characters, all with their own upgradable special abilities.
• Explore different areas of the city, from the fiery alley to the treacherous trapdoors of the water works bridge.
• Unlock new items to help you survive longer and rake in more coins.
• Collect security footage to piece together the story, and find answers to some of the questions above.
• No unlocks are purely cosmetic – everything you get has a real effect on the game.

Important information
This game contains third party advertising which can be removed via a one time in-app purchase. This game contains coins which can be collected within the game for free or bought with real money.

// Option A //

To download Ultimate Briefcase mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Ultimate Briefcase 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 Ultimate Briefcase 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 Ultimate Briefcase in HappyMod App.