Drafted with AI from our own data; passed automated quality checks and spot-checked by the editor
About the Game
Plague Inc: Evolved is a strategy simulation where you engineer a pandemic to wipe out humanity.
Plague Inc: Evolved is a strategy simulation that Steam tags under casual, indie, simulation, and strategy. You play as a pathogen that has just infected 'Patient Zero,' and your job is to evolve it into a deadly disease that spreads across the whole world. The store description stresses that the game combines high strategic depth with a striking sense of realism, and it notes that the CDC once invited the developers to discuss how infection patterns work in the game.
The core loop is a cycle of spreading and adapting. You evolve your pathogen as it moves across the map, and you respond to humanity's defensive measures as they roll out. The store page says the game offers 10 different disease types, from bacteria and bioweapons to mind control and zombies, and each one calls for a different approach. Its 20 scenarios add their own twists, such as handling a new strain of swine flu or infecting a world in an ice age.
The game also has a competitive side. The store page highlights multiplayer matches, a cooperative mode where two diseases work together against humanity's cure labs, and Steam Workshop support, where it says more than 10,000 custom scenarios have been published. Statistics and graphs track infections, deaths, and government responses, and you can replay a full run afterward to see what worked and what failed.
The setting is built on real-world data and events, with AI designed for realistic outbreaks. The store page also says that future updates adding new diseases and scenarios will be free.
Feature Highlights
- Ten distinct disease types, from bacteria and bioweapons to mind control and zombies, each requiring a different strategy.
- Twenty unique scenarios that change how your outbreak plays out, including a new swine flu strain and an ice age world.
- Competitive multiplayer and a cooperative mode where two diseases work together against the world's cure labs.
- Steam Workshop support, with more than 10,000 custom scenarios published according to the store page.
- Full 3D disease models and city-level views that show the effects of your mutations up close.
- Statistics and graphs that track infections, deaths, government responses, and treatments, plus full-run replays.
Who It Is (and Is Not) For
Recommended For
Strategy fans who enjoy long-term planning and watching systems unfold will find a lot to like here. Players who appreciate simulations grounded in real-world epidemiology, and those who enjoy building their own scenarios or competing with friends, will also get plenty out of it.
Not Recommended For
Players who want fast reflexes or action-heavy gameplay will find little of that here, since the game does not require quick reactions. Anyone who wants a traditional story-driven campaign may also be better served by a different title.
What the Steam Reviews Say
Plague Inc: Evolved carries a Steam review label of Very Positive (極度好評), with 94% of its reviews positive. The review volume is tens of thousands of reviews, which gives the rating a substantial sample behind it.
A Very Positive label means the large majority of reviewers liked the game, and a 94% positive share from a sample this size is a strong signal. Steam calculates these labels from the share of positive reviews and the total number of reviews, so a high percentage backed by a big volume is generally more reliable than the same percentage from a handful of reviews. Individual tastes still vary, so it is worth checking the most recent feedback on the store page before you decide.
Price History & Historical Low
Show price changes as a table
| Date | Price | Discount |
|---|---|---|
| 2026-10-30 | NT$398 | — |
| 2026-09-04 | NT$398 | — |
| 2026-07-10 | NT$79 | -80% |
| 2026-06-27 | NT$39 | -90% |
All prices here are Taiwan Steam store prices in NT$. Right now Plague Inc: Evolved is sitting at its regular price of NT$ 398 with no discount. Our record shows the game has been discounted often, with the deepest cut we logged at 90% off, and the lowest paid price we recorded was NT$ 39 on June 27, 2026.
The game has not been free to keep at any point in our record, and the current price matches the highest price we have logged. Our price record is still short, so any verdict here is tentative.
Whether now is a good time depends on your patience. Given how often the game has been discounted, waiting for a sale could make sense, but because our record is still short, treat that as a tentative read. If you want to play right away, the current NT$ 398 is the price to expect for now.
Analysis written 10/27/2026 from our recorded prices; the chart above is live. Taiwan-region Steam prices.
How to Buy
- Sign in to your Steam account on the website or in the desktop client.
- Open the Plague Inc: Evolved store page and check the current price of NT$ 398.
- Click 'Add to Wishlist' to track the game, or 'Add to Cart' if you are ready to buy it now.
- Turn on Steam's wishlist sale notifications in your account settings so you are alerted when the price drops.
- Check back here for the price trend, since our record of discounts is still building.
- Once the game is in your library, it will be ready to install and play whenever you like.
Things to Know
Traditional Chinese is supported, and according to the store's language list it has full audio support, as does English. The prices quoted here are Taiwan-region Steam prices in NT$ and may differ in other regions or currencies. Free and discount promotions can end at any time, so always check the official Steam page before you buy.
