The official release of version 1.17 (Mutation 1.16) occurred on June 5, 2018, followed by version 1.18 (Mutation 1.17) on December 5, 2019. While specific standalone notes for a "1.17.1" minor revision are often bundled within these major updates, the 1.17 era focused primarily on the Royal Update , which introduced significant new scenarios and gameplay improvements. Update Highlights (Version 1.17 Series)
: Major updates to core disease types like Parasite , Prion , and Neurax Worm based on player feedback to ensure fair but challenging gameplay. Plague Inc: Evolved 1.17.1
The 1.17 series included various technical refinements and quality-of-life updates: The official release of version 1
: A new scenario where players must infect the world to sell copies of the Plague Inc. board game. : A more challenging version of the board
: A scenario where humans have stopped believing in science, making it easier for diseases to spread unchecked.
: A more challenging version of the board game scenario for advanced players.
: Refreshed demographic data to better reflect real-world population distributions at the time. How to Update