GTA: Zombo Buster Rising
For the past few decades, Meldan City was profitable and is one of the country's top earning city. However, no one was prepared for the zombie apocalypse. Now, zombies are trying to breach the city. Fortunately, a group of special unit protects the city from the undead. They are known as the zombo busters. You need to make sure that no zombie can enter the city. You get money every time you kill a zombie. As you make some progress in the story, you will gain some friends that will aid you. You can buy some upgrade for you and your friends after every level.