Patient Zero: Virus Simulator

Contains adsIn-app purchases
20.5K reviews
Content rating
USK: Ages 12+
1M+
Downloads
Enjoy this game, plus hundreds more free of ads and in-app purchases, with a Google Play Pass subscription. Terms apply. Learn more
Content rating
USK: Ages 12+
Dark Atmosphere
Learn more
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About this game

Patient Zero is a new global virus idle simulator where you do not just watch the outbreak — you lead a secret underground lab creating and improving dangerous pathogens. This virus game combines long-term progress with continuous experiments and evolution.

In Patient Zero, your organization works from the shadows — gathering data, testing new pathogens, and releasing viral strains into the world. While governments try to stop the pandemic, you build your own system of spread — hidden, efficient, and designed for global infection. Every choice shapes the outbreak and the fate of disease worldwide.

This hybrid idle simulator mixes strategy, simulation, and progress. Your infections continue even when you’re away, but the most important decisions remain in your hands. Patient Zero delivers the tension of a pandemic simulator while focusing on lab management and pathogen evolution.

There are currently four main pathogens, each with unique viral strains:

* Virus
* Bacteria
* Parasite
* Fungus

A new pathogen — Nanobot — is in preparation, with more viruses on the way. Develop your lab, improve your pathogens, unlock stronger strains, and accelerate every stage of viral progress.

Your pledge to control, evolve, and dominate the global infection is in your hands.
Control viruses in this idle simulator game!
Updated on
Oct 9, 2026
Available on
Android, Windows*
*Powered by Intel® technology

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, Personal info and 2 others
  • No data collected
    Learn more about how developers declare collection
  • Data isn’t encrypted
  • Data can’t be deleted

Ratings and reviews

18.5K reviews
J Cruickshank
August 30, 2025
The game is fun basically a clone of pandemic. there are ad's but they are short. in the beginning there aren't as many ad's but once you get a bit into the first level the ad's become very aggressive (one ad every 36 seconds). I'm sure you can purchase to remove ads but unfortunately I wasn't able to see how much it was due to battling ads every time I switched any tab. again it is a fun game so if you don't mind watching ad's I recommend the game. 3/5
141 people found this review helpful
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Kody Conklin
July 22, 2025
Was fun at first but as some others have said the second pathogen is impossible to get past. You'll get near 4% with almost every mutation and it won't progress. And what's the point in fighting the cure reaserch when you cant fully stop it. You can have the bar at zero but it will just keep going. Either the game is broken and needs to be fixed or its a straight scam and needs to be taken down.
236 people found this review helpful
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Elias Destounis
September 13, 2026
ad farm game fun but so many ads meant to force you to buy ad free gam. the game is very good and fun till it isn't. you'll progress and you will find that ads pop up evry 60 seconds making it unable to play a fun game. ads that pop up force you into the play store and then back into the game and then back into the play store. I've pressed multiple times no interested in this ad but it keeps popping up. so many good games but most are ad farms in disguise from money hungry people!!!!!!
2 people found this review helpful
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What’s new

Bugfixes