You are offered to play a really gloomy simulator. You will become a virus of a deadly disease and your task is to infect every inhabitant of the world. You should move without losing a second as people will immediately start for ways to stop you. They will even try to create vaccine. So do not let them deal with you before you spread enough. Do your best to find a strategy to trick your opponents and infect them all. No matter how evil your mission is, the walkthrough is really enjoyable!