GTA: Zombies Inc
The zombie apocalypse is something that no one wants since it means death in every corner, or at least, that is something that we want to believe. However, the truth is further than you know it. There is company that makes money from making zombies and they want to gain world domination. You are the CEO of this company and it is your job to make sure that this company makes more money from selling zombies. You need to manufacture zombies. Upgrade them on the company upgrade to make them even more stronger. Conquer one territory after another to make more money.