A new update has arrived for Plague Inc., bringing players new scenarios in the latest expansion pack. This adds 14 new gameplay modes that allow players to experiment with real-life diseases, along with new strategies on how to infect the world. The update also brings back the black death, which is a strain that failed 700 years ago, and also adds scenarios for Global Warming, Smallpox, Volcanic Eruptions, H1N1, and more.