- Patch Notes 1.24.0.3 - 10 August 2026
Hi Folks, a small patch to address some reported issues. Thanks for your feedback!ChangelogFixed an issue where the Peripheral Verge Outbreak would crash on start
- World Update 2026 - Out Now! - 3 August 2026
The world keeps changing! And Plague Inc. evolves with it in this new free update!The 2026 World Update uses the latest global data sets from the World Bank to upgrade the core Plague Inc. simulation model gamewide - including for the newly added Xenolith disease type.If you want to live in the past, then the free Plague Legacy scenario is available to everyone and puts things back to the way things were in 2012!Amazingly, Plague Inc. is 14 years old now and we couldn’t have kept on updating it without all your support. If you'd like to support us more, drop us a review; every one helps! We've got some really cool plans for future expansions, so watch this space!Changelog v1.24Country data updated to the latest global statisticsNow 8,212,708,793 people worldwideFixed an issue where Cure Research could go negative in XenolithFixed an issue where in rare situations Active Abilities could…
- Plague Inc: Evolved - Patch Notes 1.23.0.11 - 21 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback! Bug FixesGeneralFixed issue with multiple translations having English language words presentImproved conditions for unlocking CheatsFixed an issue where news headlines from the last game would appear after starting a new gameFixed issue where Zombies or other population types wouldn't appear on the world bar in their prescribed colourImproved stability for rare crash situationsXenolithFixed issue where G-COM would continue to contribute research after deathImproved conditions for event that would state Xenolith is "not dangerous to humans" when it has already infected humansScenariosFixed issue where save files for Leprosy would say it was a Parasite disease typeImproved conditions for "Get 3 biohazards with each disease..." achievements such as Mr. PresidentMultiplayerFixed issue with Multipla…
- Plague Inc: Evolved - Patch Notes 1.23.0.10 - 10 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback! Bug FixesFix for game endings under certain circumstancesFixed an issue with infection rate in the "Where is Everyone" scenario (fun fact - this was a stealth bug from 2017!)Fixed a display issue with the 3d disease model when skipping through the game setup quickly
- Plague Inc: Evolved - Patch Notes 1.23.0.9 - 10 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback! Bug FixesGeneralUnlocking Cheats no longer requires completing XenolithFixed Zombies showing as "Recovered" in some circumstancesA few rare crashes fixed XenolithFixed issue where people wouldn't be infected in situations where the population density is low (e.g. Where is everyone scenario)Fixed an issue where "Metabolic Hijack" wouldn't pop bubbles on a fully xeno-formed countryScenariosFixed issue where Leprosy would display as "Parasite" instead of "Bacteria"Updated leprosy score mod
- Plague Inc: Evolved - Patch Notes 1.23.0.8 - 9 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback! ImprovementsAdded "Shape the future" poll for Plague Inc - players can vote on what's next for Plague Inc.Improved crystal tracking during the game replay for XenolithBalance updatesScenariosLeprosy: Starting DNA and trait costs tweakedLeprosy: Score multiplier increased (easier to get 3 biohazards)BugfixesFixed the fill for the "Scenarios Completed" progress barFixed "Vampires rule the world" victory screen text when playing Xenolith and killing all humansFixed an issue where the score in Xenolith could become negativeFixed an issue where the Lattice Shedding gene generated too many crystal seeds when lots of countries or whole continents aligned. (Particularly on higher difficulties.)Fixed an issue where the "Percentage Cured" could show an incorrect value on Xenolith save files
- Plague Inc: Evolved - Patch Notes 1.23.0.7 - 8 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback, we're getting straight on it and have more fixes coming throughout the week.ImprovementsHumans will more intelligently deploy Meteor Defense technology when neededGCOM are now able to research Xenolith more easily if it has large amounts of unused XNABalance updatesScenariosReduced starting infectivity in the Leprosy scenarioUpdated scoring for Zombies vs Earth and Herd Immunity scenariosUpdated win requirements for the Herd Immunity scenarioXenolithMultiple Asteroid impacts damage planet and reduce passive XNA gain (Brutal+)Saving up too much XNA will reduce passive XNA gain if Xenolith isn't big enough (Brutal+)BugfixesFixed a variety of localisation issuesFixed an issue where the double strain cheat created infected in the Zombies Vs Earth scenarioFixed an issue where scenario completion ach…
- Plague Inc: Evolved - Patch Notes 1.23.0.5 - 7 April 2026
Glad you're all enjoying the update and the new DLC!Thanks for all your reports and feedback, we're getting straight on it and have more fixes coming throughout the week.Bug FixesXeno-forming no longer appears on non-xenolith end screen graphLocalisation fixes - some text wasn't translating correctly - Known issue: There is still some text not translating, will be fixed tomorrow (Wednesday)BalanceBrutal and Mega Brutal difficulty adjustments for Xenolith (slightly less XNA, Research goes faster, abilities cost more XNA)Xenolith XNA adjustmentsQuality of lifeFinal Xeno-form graphic updatedXenolith: "Frequency Shift" can now be used against Prototype DisruptorsTooltips updated for XenolithKnown Issues - Fixes ComingKnown issue: Multiplayer modes not displaying infected countries correctly. Fix expected tomorrow (Wednesday)Known issue: A few bits of text are still not being translated corr…
- Update 1.23 and Aliens & Anti-Vaxxers DLC - Out Now! - 7 April 2026
Update 1.23 - Special bonus for everyone: LeprosyGood news, everyone can have leprosy for free - even if they don’t have the new Aliens & Antivaxxers DLC. To experience it first hand, just update the game and it will be there waiting for you!LeprosyLeprosy still infects around 200,000 new people every year, but it's dying out. Can you overcome modern treatments, social stigma and long incubation periods to bring Leprosy back into the headlines?Will A&A ever be given away for free?Some of you may have got our first DLC Plague Inc: The Cure for free. That is because we gave it away for free during the COVID pandemic as we didn’t want to profit from a serious health situation.If an alien invasion* happens - Ndemic will adopt the same approach and give A&A away for free for the duration of the invasion. *Invasion is defined as an alien entity commencing a military offensive intended to esta…
- Aliens & Anti-Vaxxers DLC & Update 1.23 - Out Now! - 7 April 2026
Our newest DLC: Aliens and Anti-Vaxxers is available now! It brings a brand new special disease type and six scenarios with conspiracies, demons and hordes of zombies!But that's not all! There's free Leprosy for everyone in the new 1.23 Update.Xenolith: The Alien Crystal plagueFrom the infinite depths of space comes an utterly alien plague type. Radically new gameplay, mysterious victory conditions, interstellar genes, haunting music and much more. The world will never be the same again.Xeno-form the Planet!Penetrate the Earth’s crust and begin a geological process to convert everything into pure, alien crystal. If any native lifeforms get in the way - simply shatter them in an unstoppable resonance cascade.Extinction Event!Use gravitational anomalies to pull meteors out of orbit. Choose whether to focus on crystal geodes to spread infection, EMP bursts to disrupt human technology or ev…
- New DLC: Aliens & Anti-Vaxxers - Out 7th April - 2 April 2026
We hope you're ready to invade Earth, because we can announce that a meteor will hit Steam next week on 7th April!Xenolith: The Alien Crystal plagueFrom the infinite depths of space comes an utterly alien plague type. Radically new gameplay, mysterious victory conditions, interstellar genes, haunting music and much more. The world will never be the same again.Six New ScenariosA whole host of major new scenarios that add unique gameplay mechanics, mix up strategies and add narratives ripped from our world and beyond!Check out the store page to see what's coming to Plague Inc.Is there a free update at the same time?Yes, you will be pleased to know that everyone is getting leprosy! Plague Inc: Evolved is getting update 1.23 at the same time, which will give everyone the Leprosy scenario for free.Will A&A ever be given away for free?Some of you may have got our first DLC Plague Inc: The Cur…
- Plague Inc: Evolved is getting a big new Aliens & Anti-Vaxxers DLC and free update - 30 March 2026
Plague Inc: Evolved is getting bigger and weirder with the Plague Inc: Aliens & Anti-Vaxxers DLC that was just announced recently. Read the full article here: https://www.gamingonlinux.com/2026/03/plague-inc-evolved-is-getting-a-big-new-aliens-anti-vaxxers-dlc-and-free-update/
- Announcing Aliens & Anti-Vaxxers and Update 1.23 - 26 March 2026
From the infinite depths of space comes an utterly alien plague type, we bring you… Xenolith: The Alien Crystal plagueRadically new gameplay, mysterious victory conditions, interstellar genes, haunting music and much more. The world will never be the same againXeno-form the Planet!Penetrate the Earth’s crust and begin a geological process to convert everything into pure, alien crystal. If any native lifeforms get in the way - simply shatter them in an unstoppable resonance cascade.Extinction Event!Use gravitational anomalies to pull meteors out of orbit. Choose whether to focus on crystal geodes to spread infection, EMP bursts to disrupt human technology or even vast, continent killing asteroids from deep space!Resistance is futileHumans are utterly insignificant but they can still disrupt you if left alone. G-COM will intelligently deploy advanced technologies including disruptors, def…
- Early Warning System - 19 March 2026
-.-. .- -. / .- -. -.-- --- -. . / .... . .- .-. / -- . ..--..MONDAY REALIGNMENT: COMPLETE TUESDAY REALIGNMENT: COMPLETE WEDNESDAY REALIGNMENT: COMPLETEFULL SIGNAL: THURSDAY
- \\\ UNIDENTIFIED OBJECT DETECTED \\\ - 5 March 2026
\\\\\\ PLEASE STANDBY \\\\\\
- Patch Notes 1.22.1.10 - 28 January 2026
Fixing additional issues found in the last patch, thanks for your reports!Fixed an issue where the cursor would be invisible on Steam DeckFixed an issue where the cursor would not show the active ability icon when an active ability was selectedFixed an issue where buttons were selected in Multiplayer resulting in accidentally leaving a lobby when previously it would allow you to continue talking in the lobbyNdemic Creations
- Patch Notes 1.22.1.8 - 27 January 2026
Hi Folks, small patch to address issues introduced in the last update. Thanks for reporting them!ChangelogFixed an issue where buttons and menu items could not be selected, which also broke other areas of the game such as Save and LoadA "Y" gylph would appear on the World panel regardless if you were controlling the game via keyboard and mouse or controller/Steam DeckNdemic Creations
- Plague Inc: Evolved gets a "vastly improved playing experience on Steam Deck" - 27 January 2026
Plague Inc: Evolved is a classic strategy sim that's still going strong and a new update was released to make playing it on Steam Deck even better. Read the full article here: https://www.gamingonlinux.com/2026/01/plague-inc-evolved-gets-a-vastly-improved-playing-experience-on-steam-deck/
- Steam Deck Update - 1.22.1.7 - 26 January 2026
We've been working hard on improving the experience for Steam Deck players and today you can play those improvements!Lots of bug fixes, reworked glyphs and improvements to screen readability. ChangelogSteam DeckVastly improved playing experience on Steam DeckBug FixesFixed an issue where Saving and Loading in an Outbreak game while the "Cough Drop" mutator was active would result in the costs of traits being significantly reduced further Variety of bug fixes relating to the Steam Deck controllerNdemic Creations
- Patch Notes 1.22.1.6 - 14 January 2026
Thanks for your feedback and enthusiasm for Outbreak Mode. We've got some fixes for Multiplayer, update now!ChangelogBug FixesFixed issue where replays in VS Multiplayer wouldn't play correctly.Fixed issue where Multiplayer Traits weren't translatingStay Healthy!Ndemic Creations
