Plague Inc: Evolved 1.17.1 〈CERTIFIED〉

: A more challenging version of the board game scenario for advanced players.

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) Plague Inc: Evolved 1.17.1

: Refreshed demographic data to better reflect real-world population distributions at the time. How to Update : A more challenging version of the board

The 1.17 series included various technical refinements and quality-of-life updates: Update Highlights (Version 1

: Improved logic for how humans deploy defenses, making late-game strategies more difficult for the player.

: Major updates to core disease types like Parasite , Prion , and Neurax Worm based on player feedback to ensure fair but challenging gameplay.

If you are playing on Steam, your game should update automatically to the latest available version. You can verify your version in the bottom-right corner of the main menu. For those on console (Xbox, PlayStation, or Switch), updates are pushed via their respective stores.