GTA: Infectonator World Dominator
Some scientist makes wealth from creating things that would help other people, but there are some, who would rather create bad things to make money from. In this case, you fall in the last category and you would not stop till there are other people living in peace. The game is played with a mouse and you need to infect people in this game. More people that you killed would bring your more money. You could use the money to upgrade your infection stats. You need to destroy cities after cities. Overtime, you are able to summon stronger zombies to dominate the world with.