# 40 Days \[四十天\] Summer DB entity ID: 2709f336\-e6c6\-4082\-b2fd\-4cd0fc963b63 Steam App ID: 737600 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\. Main Objective Find the Cure within 40 days Choose wisely Key Features 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 Depress the cult Manage your city Manage your lab Make decision during Critical Moment Make decision during random events Face the Vigilante Defend attack wave from Angry Mob Protect your facilities Upgrade your base ## Game information - Type: game - Developer: Black Phoenix Studio - Publisher: Black Phoenix Studio - Release date: Nov 28, 2017 - Coming soon: false - Free to play: false - Parent Steam app: Not collected - Genres: Indie, Simulation, Strategy - Categories: Single\-player, Steam Achievements, Steam Leaderboards, Family Sharing - Platforms: windows, mac - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_47d1a1ab90cb0503ab16ff48650cc2ee90b4dff4\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_4d72a7ecf42acb7b1392615eb746a9f75d435b0f\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_2aa07a539ea7cf9d14a727da9df527e3aa255af5\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_8b8d65eed09ebd81951a5ffc8a1bf3482fbf5031\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_82c2690b6dff60c0476809eefb07b68ee7507241\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_2474d432e3075305d75438ed6e62bfb539126ea3\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_91b9a004502dd739dc01c09944ffbce59d4334ed\.1920x1080\.jpg?t=1574438101, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/737600/ss\_4187d0461556349c21f36cdd93d85bfd669296d1\.1920x1080\.jpg?t=1574438101 - Price: 499 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: 0 - Steam review count: 13 - Steam positive reviews: 7 - Steam negative reviews: 6 - Steam positive percentage: 53.84615384615385% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/2709f336-e6c6-4082-b2fd-4cd0fc963b63/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/2709f336-e6c6-4082-b2fd-4cd0fc963b63/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00 - Details observed: 2026\-09\-23T05:15:14\.876232\+00:00 - Player count observed: 2026\-09\-23T05:15:16\.417445\+00:00 - Reviews observed: 2026\-09\-23T05:15:15\.912556\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/737600/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/737600/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=737600","reviews":"https://store\.steampowered\.com/appreviews/737600"\},"price":"2026\-09\-23T05:15:14\.876232\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T05:15:14\.876232\+00:00","players":"2026\-09\-23T05:15:16\.417445\+00:00","reviews":"2026\-09\-23T05:15:15\.912556\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"84152bdd\-1506\-4fe3\-b689\-ead160f07fb4","catalog":"52232ab7\-1ae3\-4c98\-88f1\-8d21d8bef088","details":"7262d2f4\-3736\-455f\-b3f6\-d5ce42cc6e06","players":"ce0276c6\-40c7\-47f7\-8abc\-29adc64baed5","reviews":"62911f8e\-a5ea\-4ff8\-8a97\-307719831f14"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"2709f336\-e6c6\-4082\-b2fd\-4cd0fc963b63","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/737600/) · [JSON](/api/v1/games/2709f336-e6c6-4082-b2fd-4cd0fc963b63)