GTA: Zombie Trailers Park
It happened like a thief in the night as no one was prepared that night. Dead relatives suddenly started arising from their graves and started walking. People would be happy, but the undead started on feasting on the living. And the ones that they killed became like them. Soon the whole world was filled with the walking dead. The game can only be played with a mouse. You need to make more money than you are making. After, you are able to produce more money. You can start producing some units to defend your town. Research new technologies to have stronger defenders.