![40 Days [四十天]](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/header.jpg?t=1574438101)
Game artwork from the official Steam store; rights belong to the respective publisher.
Steam store edition · PC
DE · EUR · Steam
Price observed in the DE store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
AU · AUD · Steam
Price observed in the AU store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
CA · CAD · Steam
Price observed in the CA store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
GB · GBP · Steam
Price observed in the GB store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
US · USD · Steam
Price observed in the US store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
40 Days is a special strategy simulation game related to infectious diseases spread all over the city. You, as ahead of quarantine department, have been given full authority and manpower to contain the city, deal with different parties, virus in the city and most importantly find out the cure.
Find the Cure within 40 days
Take action like Air Drop, Reinforcement. Examine Citizen, Send Infect to Lab and so on
Virus research and face the virus mutant
Maintain the medicine price
Deal with medicine business man
Make decision during Critical Moment
Make decision during random events
Official store excerpt · Description source ↗
Read the store description ↗![40 Days [四十天] — official gameplay screenshot 1](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_47d1a1ab90cb0503ab16ff48650cc2ee90b4dff4.1920x1080.jpg?t=1574438101)
![40 Days [四十天] — official gameplay screenshot 2](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_4d72a7ecf42acb7b1392615eb746a9f75d435b0f.1920x1080.jpg?t=1574438101)
![40 Days [四十天] — official gameplay screenshot 3](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_2aa07a539ea7cf9d14a727da9df527e3aa255af5.1920x1080.jpg?t=1574438101)
![40 Days [四十天] — official gameplay screenshot 4](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_8b8d65eed09ebd81951a5ffc8a1bf3482fbf5031.1920x1080.jpg?t=1574438101)
![40 Days [四十天] — official gameplay screenshot 5](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_82c2690b6dff60c0476809eefb07b68ee7507241.1920x1080.jpg?t=1574438101)
![40 Days [四十天] — official gameplay screenshot 6](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/737600/ss_2474d432e3075305d75438ed6e62bfb539126ea3.1920x1080.jpg?t=1574438101)
Included content and base-game requirements have not been verified in the published record. Check the linked product source before buying.
Play on: PCCheck product contents and requirements ↗DE / EUR · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
EUR 1.49 lowest in the displayed observations, from Oct 15, 2026, 10:40 AM UTC to Oct 15, 2026, 10:40 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 15, 2026, 10:40 AM UTC | EUR 1.49 |
AU / AUD · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
AUD 2.25 lowest in the displayed observations, from Oct 15, 2026, 10:32 AM UTC to Oct 15, 2026, 10:32 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 15, 2026, 10:32 AM UTC | AUD 2.25 |
CA / CAD · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
CAD 1.70 lowest in the displayed observations, from Oct 15, 2026, 10:30 AM UTC to Oct 15, 2026, 10:30 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 15, 2026, 10:30 AM UTC | CAD 1.70 |
GB / GBP · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
GBP 1.19 lowest in the displayed observations, from Oct 15, 2026, 10:22 AM UTC to Oct 15, 2026, 10:22 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 15, 2026, 10:22 AM UTC | GBP 1.19 |
US / USD · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
USD 1.49 lowest in the displayed observations, from Oct 15, 2026, 07:27 AM UTC to Oct 15, 2026, 07:27 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 15, 2026, 07:27 AM UTC | USD 1.49 |